<Microsoft Cognitive Services> developer portal

Custom_Vision_Training_3.2

CreateImageRegions

This API accepts a batch of image regions, and optionally tags, to update existing images with region information. There is a limit of 64 entries in the batch.

Select the testing console in the region where you created your resource:

Open API testing console

Request URL

https://{endpoint}/customvision/v3.2/training/projects/{projectId}/images/regions

Request parameters

projectId

string

Format - uuid. The project id.

Request headers

Content-Type

string

Media type of the body sent to the API.

Training-key

string

Subscription key which provides access to this API. Found in your Profile.

Request body

Batch of image regions which include a tag and bounding box. Limited to 64.

Sample
Schema

{
  "regions": [
    {
      "imageId": "string",
      "tagId": "string",
      "left": 0.0,
      "top": 0.0,
      "width": 0.0,
      "height": 0.0
    }
  ]
}

{
  "description": "Batch of image region information to create.",
  "type": "object",
  "properties": {
    "regions": {
      "type": "array",
      "items": {
        "description": "Entry associating a region to an image.",
        "required": [
          "imageId",
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "description": "Id of the image.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        },
        "x-nullable": false
      },
      "readOnly": false
    }
  }
}

Sample
Schema

<ImageRegionCreateBatch>
  <regions>
    <imageId>string</imageId>
    <tagId>string</tagId>
    <left>0</left>
    <top>0</top>
    <width>0</width>
    <height>0</height>
  </regions>
</ImageRegionCreateBatch>

{
  "description": "Batch of image region information to create.",
  "type": "object",
  "properties": {
    "regions": {
      "type": "array",
      "items": {
        "description": "Entry associating a region to an image.",
        "required": [
          "imageId",
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "description": "Id of the image.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        },
        "x-nullable": false
      },
      "readOnly": false
    }
  }
}

Sample
Schema

<ImageRegionCreateBatch>
  <regions>
    <imageId>string</imageId>
    <tagId>string</tagId>
    <left>0</left>
    <top>0</top>
    <width>0</width>
    <height>0</height>
  </regions>
</ImageRegionCreateBatch>

{
  "description": "Batch of image region information to create.",
  "type": "object",
  "properties": {
    "regions": {
      "type": "array",
      "items": {
        "description": "Entry associating a region to an image.",
        "required": [
          "imageId",
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "description": "Id of the image.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        },
        "x-nullable": false
      },
      "readOnly": false
    }
  }
}

{
  "created": [
    {
      "imageId": "string",
      "regionId": "string",
      "tagName": "string",
      "created": "string",
      "tagId": "string",
      "left": 0.0,
      "top": 0.0,
      "width": 0.0,
      "height": 0.0
    }
  ],
  "duplicated": [
    {
      "imageId": "string",
      "tagId": "string",
      "left": 0.0,
      "top": 0.0,
      "width": 0.0,
      "height": 0.0
    }
  ],
  "exceeded": [
    {
      "imageId": "string",
      "tagId": "string",
      "left": 0.0,
      "top": 0.0,
      "width": 0.0,
      "height": 0.0
    }
  ]
}

{
  "type": "object",
  "properties": {
    "created": {
      "type": "array",
      "items": {
        "required": [
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "regionId": {
            "format": "uuid",
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "tagName": {
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "created": {
            "format": "date-time",
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        }
      },
      "readOnly": false,
      "x-nullable": true
    },
    "duplicated": {
      "type": "array",
      "items": {
        "description": "Entry associating a region to an image.",
        "required": [
          "imageId",
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "description": "Id of the image.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        }
      },
      "readOnly": false,
      "x-nullable": true
    },
    "exceeded": {
      "type": "array",
      "items": {
        "description": "Entry associating a region to an image.",
        "required": [
          "imageId",
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "description": "Id of the image.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        }
      },
      "readOnly": false,
      "x-nullable": true
    }
  }
}

Sample
Schema

<ImageRegionCreateSummary>
  <created>
    <imageId>string</imageId>
    <regionId>string</regionId>
    <tagName>string</tagName>
    <created>string</created>
    <tagId>string</tagId>
    <left>0</left>
    <top>0</top>
    <width>0</width>
    <height>0</height>
  </created>
  <duplicated>
    <imageId>string</imageId>
    <tagId>string</tagId>
    <left>0</left>
    <top>0</top>
    <width>0</width>
    <height>0</height>
  </duplicated>
  <exceeded>
    <imageId>string</imageId>
    <tagId>string</tagId>
    <left>0</left>
    <top>0</top>
    <width>0</width>
    <height>0</height>
  </exceeded>
</ImageRegionCreateSummary>

{
  "type": "object",
  "properties": {
    "created": {
      "type": "array",
      "items": {
        "required": [
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "regionId": {
            "format": "uuid",
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "tagName": {
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "created": {
            "format": "date-time",
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        }
      },
      "readOnly": false,
      "x-nullable": true
    },
    "duplicated": {
      "type": "array",
      "items": {
        "description": "Entry associating a region to an image.",
        "required": [
          "imageId",
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "description": "Id of the image.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        }
      },
      "readOnly": false,
      "x-nullable": true
    },
    "exceeded": {
      "type": "array",
      "items": {
        "description": "Entry associating a region to an image.",
        "required": [
          "imageId",
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "description": "Id of the image.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        }
      },
      "readOnly": false,
      "x-nullable": true
    }
  }
}

Sample
Schema

<ImageRegionCreateSummary>
  <created>
    <imageId>string</imageId>
    <regionId>string</regionId>
    <tagName>string</tagName>
    <created>string</created>
    <tagId>string</tagId>
    <left>0</left>
    <top>0</top>
    <width>0</width>
    <height>0</height>
  </created>
  <duplicated>
    <imageId>string</imageId>
    <tagId>string</tagId>
    <left>0</left>
    <top>0</top>
    <width>0</width>
    <height>0</height>
  </duplicated>
  <exceeded>
    <imageId>string</imageId>
    <tagId>string</tagId>
    <left>0</left>
    <top>0</top>
    <width>0</width>
    <height>0</height>
  </exceeded>
</ImageRegionCreateSummary>

{
  "type": "object",
  "properties": {
    "created": {
      "type": "array",
      "items": {
        "required": [
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "regionId": {
            "format": "uuid",
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "tagName": {
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "created": {
            "format": "date-time",
            "type": "string",
            "readOnly": true,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        }
      },
      "readOnly": false,
      "x-nullable": true
    },
    "duplicated": {
      "type": "array",
      "items": {
        "description": "Entry associating a region to an image.",
        "required": [
          "imageId",
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "description": "Id of the image.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        }
      },
      "readOnly": false,
      "x-nullable": true
    },
    "exceeded": {
      "type": "array",
      "items": {
        "description": "Entry associating a region to an image.",
        "required": [
          "imageId",
          "tagId",
          "left",
          "top",
          "width",
          "height"
        ],
        "type": "object",
        "properties": {
          "imageId": {
            "format": "uuid",
            "description": "Id of the image.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "tagId": {
            "format": "uuid",
            "description": "Id of the tag associated with this region.",
            "type": "string",
            "readOnly": false,
            "x-nullable": false
          },
          "left": {
            "format": "float",
            "description": "Coordinate of the left boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "top": {
            "format": "float",
            "description": "Coordinate of the top boundary.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "width": {
            "format": "float",
            "description": "Width.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          },
          "height": {
            "format": "float",
            "description": "Height.",
            "type": "number",
            "readOnly": false,
            "x-nullable": false
          }
        }
      },
      "readOnly": false,
      "x-nullable": true
    }
  }
}

Response 500

Error response

Sample
Schema

{
  "code": "NoError",
  "message": "string"
}

{
  "required": [
    "code",
    "message"
  ],
  "type": "object",
  "properties": {
    "code": {
      "description": "The error code.",
      "enum": [
        "NoError",
        "BadRequest",
        "BadRequestExceededBatchSize",
        "BadRequestNotSupported",
        "BadRequestInvalidIds",
        "BadRequestProjectName",
        "BadRequestProjectNameNotUnique",
        "BadRequestProjectDescription",
        "BadRequestProjectUnknownDomain",
        "BadRequestProjectUnknownClassification",
        "BadRequestProjectUnsupportedDomainTypeChange",
        "BadRequestProjectUnsupportedExportPlatform",
        "BadRequestProjectImagePreprocessingSettings",
        "BadRequestProjectDuplicated",
        "BadRequestIterationName",
        "BadRequestIterationNameNotUnique",
        "BadRequestIterationDescription",
        "BadRequestIterationIsNotTrained",
        "BadRequestIterationValidationFailed",
        "BadRequestWorkspaceCannotBeModified",
        "BadRequestWorkspaceNotDeletable",
        "BadRequestTagName",
        "BadRequestTagNameNotUnique",
        "BadRequestTagDescription",
        "BadRequestTagType",
        "BadRequestMultipleNegativeTag",
        "BadRequestImageTags",
        "BadRequestImageRegions",
        "BadRequestNegativeAndRegularTagOnSameImage",
        "BadRequestRequiredParamIsNull",
        "BadRequestIterationIsPublished",
        "BadRequestInvalidPublishName",
        "BadRequestInvalidPublishTarget",
        "BadRequestUnpublishFailed",
        "BadRequestIterationNotPublished",
        "BadRequestSubscriptionApi",
        "BadRequestExceedProjectLimit",
        "BadRequestExceedIterationPerProjectLimit",
        "BadRequestExceedTagPerProjectLimit",
        "BadRequestExceedTagPerImageLimit",
        "BadRequestExceededQuota",
        "BadRequestCannotMigrateProjectWithName",
        "BadRequestNotLimitedTrial",
        "BadRequestImageBatch",
        "BadRequestImageStream",
        "BadRequestImageUrl",
        "BadRequestImageFormat",
        "BadRequestImageSizeBytes",
        "BadRequestImageExceededCount",
        "BadRequestTrainingNotNeeded",
        "BadRequestTrainingNotNeededButTrainingPipelineUpdated",
        "BadRequestTrainingValidationFailed",
        "BadRequestClassificationTrainingValidationFailed",
        "BadRequestMultiClassClassificationTrainingValidationFailed",
        "BadRequestMultiLabelClassificationTrainingValidationFailed",
        "BadRequestDetectionTrainingValidationFailed",
        "BadRequestTrainingAlreadyInProgress",
        "BadRequestDetectionTrainingNotAllowNegativeTag",
        "BadRequestInvalidEmailAddress",
        "BadRequestDomainNotSupportedForAdvancedTraining",
        "BadRequestExportPlatformNotSupportedForAdvancedTraining",
        "BadRequestReservedBudgetInHoursNotEnoughForAdvancedTraining",
        "BadRequestExportValidationFailed",
        "BadRequestExportAlreadyInProgress",
        "BadRequestPredictionIdsMissing",
        "BadRequestPredictionIdsExceededCount",
        "BadRequestPredictionTagsExceededCount",
        "BadRequestPredictionResultsExceededCount",
        "BadRequestPredictionInvalidApplicationName",
        "BadRequestPredictionInvalidQueryParameters",
        "BadRequestInvalidImportToken",
        "BadRequestExportWhileTraining",
        "BadRequestInvalid",
        "UnsupportedMediaType",
        "Forbidden",
        "ForbiddenUser",
        "ForbiddenUserResource",
        "ForbiddenUserSignupDisabled",
        "ForbiddenUserSignupAllowanceExceeded",
        "ForbiddenUserDoesNotExist",
        "ForbiddenUserDisabled",
        "ForbiddenUserInsufficientCapability",
        "ForbiddenDRModeEnabled",
        "ForbiddenInvalid",
        "NotFound",
        "NotFoundProject",
        "NotFoundProjectDefaultIteration",
        "NotFoundIteration",
        "NotFoundIterationPerformance",
        "NotFoundTag",
        "NotFoundImage",
        "NotFoundDomain",
        "NotFoundApimSubscription",
        "NotFoundInvalid",
        "Conflict",
        "ConflictInvalid",
        "ErrorUnknown",
        "ErrorIterationCopyFailed",
        "ErrorPreparePerformanceMigrationFailed",
        "ErrorProjectInvalidWorkspace",
        "ErrorProjectInvalidPipelineConfiguration",
        "ErrorProjectInvalidDomain",
        "ErrorProjectTrainingRequestFailed",
        "ErrorProjectImportRequestFailed",
        "ErrorProjectExportRequestFailed",
        "ErrorFeaturizationServiceUnavailable",
        "ErrorFeaturizationQueueTimeout",
        "ErrorFeaturizationInvalidFeaturizer",
        "ErrorFeaturizationAugmentationUnavailable",
        "ErrorFeaturizationUnrecognizedJob",
        "ErrorFeaturizationAugmentationError",
        "ErrorExporterInvalidPlatform",
        "ErrorExporterInvalidFeaturizer",
        "ErrorExporterInvalidClassifier",
        "ErrorPredictionServiceUnavailable",
        "ErrorPredictionModelNotFound",
        "ErrorPredictionModelNotCached",
        "ErrorPrediction",
        "ErrorPredictionStorage",
        "ErrorRegionProposal",
        "ErrorInvalid"
      ],
      "type": "string",
      "x-ms-enum": {
        "name": "CustomVisionErrorCodes",
        "modelAsString": true
      }
    },
    "message": {
      "description": "A message explaining the error reported by the service.",
      "type": "string"
    }
  }
}

Sample
Schema

<CustomVisionError>
  <code>NoError</code>
  <message>string</message>
</CustomVisionError>

{
  "required": [
    "code",
    "message"
  ],
  "type": "object",
  "properties": {
    "code": {
      "description": "The error code.",
      "enum": [
        "NoError",
        "BadRequest",
        "BadRequestExceededBatchSize",
        "BadRequestNotSupported",
        "BadRequestInvalidIds",
        "BadRequestProjectName",
        "BadRequestProjectNameNotUnique",
        "BadRequestProjectDescription",
        "BadRequestProjectUnknownDomain",
        "BadRequestProjectUnknownClassification",
        "BadRequestProjectUnsupportedDomainTypeChange",
        "BadRequestProjectUnsupportedExportPlatform",
        "BadRequestProjectImagePreprocessingSettings",
        "BadRequestProjectDuplicated",
        "BadRequestIterationName",
        "BadRequestIterationNameNotUnique",
        "BadRequestIterationDescription",
        "BadRequestIterationIsNotTrained",
        "BadRequestIterationValidationFailed",
        "BadRequestWorkspaceCannotBeModified",
        "BadRequestWorkspaceNotDeletable",
        "BadRequestTagName",
        "BadRequestTagNameNotUnique",
        "BadRequestTagDescription",
        "BadRequestTagType",
        "BadRequestMultipleNegativeTag",
        "BadRequestImageTags",
        "BadRequestImageRegions",
        "BadRequestNegativeAndRegularTagOnSameImage",
        "BadRequestRequiredParamIsNull",
        "BadRequestIterationIsPublished",
        "BadRequestInvalidPublishName",
        "BadRequestInvalidPublishTarget",
        "BadRequestUnpublishFailed",
        "BadRequestIterationNotPublished",
        "BadRequestSubscriptionApi",
        "BadRequestExceedProjectLimit",
        "BadRequestExceedIterationPerProjectLimit",
        "BadRequestExceedTagPerProjectLimit",
        "BadRequestExceedTagPerImageLimit",
        "BadRequestExceededQuota",
        "BadRequestCannotMigrateProjectWithName",
        "BadRequestNotLimitedTrial",
        "BadRequestImageBatch",
        "BadRequestImageStream",
        "BadRequestImageUrl",
        "BadRequestImageFormat",
        "BadRequestImageSizeBytes",
        "BadRequestImageExceededCount",
        "BadRequestTrainingNotNeeded",
        "BadRequestTrainingNotNeededButTrainingPipelineUpdated",
        "BadRequestTrainingValidationFailed",
        "BadRequestClassificationTrainingValidationFailed",
        "BadRequestMultiClassClassificationTrainingValidationFailed",
        "BadRequestMultiLabelClassificationTrainingValidationFailed",
        "BadRequestDetectionTrainingValidationFailed",
        "BadRequestTrainingAlreadyInProgress",
        "BadRequestDetectionTrainingNotAllowNegativeTag",
        "BadRequestInvalidEmailAddress",
        "BadRequestDomainNotSupportedForAdvancedTraining",
        "BadRequestExportPlatformNotSupportedForAdvancedTraining",
        "BadRequestReservedBudgetInHoursNotEnoughForAdvancedTraining",
        "BadRequestExportValidationFailed",
        "BadRequestExportAlreadyInProgress",
        "BadRequestPredictionIdsMissing",
        "BadRequestPredictionIdsExceededCount",
        "BadRequestPredictionTagsExceededCount",
        "BadRequestPredictionResultsExceededCount",
        "BadRequestPredictionInvalidApplicationName",
        "BadRequestPredictionInvalidQueryParameters",
        "BadRequestInvalidImportToken",
        "BadRequestExportWhileTraining",
        "BadRequestInvalid",
        "UnsupportedMediaType",
        "Forbidden",
        "ForbiddenUser",
        "ForbiddenUserResource",
        "ForbiddenUserSignupDisabled",
        "ForbiddenUserSignupAllowanceExceeded",
        "ForbiddenUserDoesNotExist",
        "ForbiddenUserDisabled",
        "ForbiddenUserInsufficientCapability",
        "ForbiddenDRModeEnabled",
        "ForbiddenInvalid",
        "NotFound",
        "NotFoundProject",
        "NotFoundProjectDefaultIteration",
        "NotFoundIteration",
        "NotFoundIterationPerformance",
        "NotFoundTag",
        "NotFoundImage",
        "NotFoundDomain",
        "NotFoundApimSubscription",
        "NotFoundInvalid",
        "Conflict",
        "ConflictInvalid",
        "ErrorUnknown",
        "ErrorIterationCopyFailed",
        "ErrorPreparePerformanceMigrationFailed",
        "ErrorProjectInvalidWorkspace",
        "ErrorProjectInvalidPipelineConfiguration",
        "ErrorProjectInvalidDomain",
        "ErrorProjectTrainingRequestFailed",
        "ErrorProjectImportRequestFailed",
        "ErrorProjectExportRequestFailed",
        "ErrorFeaturizationServiceUnavailable",
        "ErrorFeaturizationQueueTimeout",
        "ErrorFeaturizationInvalidFeaturizer",
        "ErrorFeaturizationAugmentationUnavailable",
        "ErrorFeaturizationUnrecognizedJob",
        "ErrorFeaturizationAugmentationError",
        "ErrorExporterInvalidPlatform",
        "ErrorExporterInvalidFeaturizer",
        "ErrorExporterInvalidClassifier",
        "ErrorPredictionServiceUnavailable",
        "ErrorPredictionModelNotFound",
        "ErrorPredictionModelNotCached",
        "ErrorPrediction",
        "ErrorPredictionStorage",
        "ErrorRegionProposal",
        "ErrorInvalid"
      ],
      "type": "string",
      "x-ms-enum": {
        "name": "CustomVisionErrorCodes",
        "modelAsString": true
      }
    },
    "message": {
      "description": "A message explaining the error reported by the service.",
      "type": "string"
    }
  }
}

Sample
Schema

<CustomVisionError>
  <code>NoError</code>
  <message>string</message>
</CustomVisionError>

{
  "required": [
    "code",
    "message"
  ],
  "type": "object",
  "properties": {
    "code": {
      "description": "The error code.",
      "enum": [
        "NoError",
        "BadRequest",
        "BadRequestExceededBatchSize",
        "BadRequestNotSupported",
        "BadRequestInvalidIds",
        "BadRequestProjectName",
        "BadRequestProjectNameNotUnique",
        "BadRequestProjectDescription",
        "BadRequestProjectUnknownDomain",
        "BadRequestProjectUnknownClassification",
        "BadRequestProjectUnsupportedDomainTypeChange",
        "BadRequestProjectUnsupportedExportPlatform",
        "BadRequestProjectImagePreprocessingSettings",
        "BadRequestProjectDuplicated",
        "BadRequestIterationName",
        "BadRequestIterationNameNotUnique",
        "BadRequestIterationDescription",
        "BadRequestIterationIsNotTrained",
        "BadRequestIterationValidationFailed",
        "BadRequestWorkspaceCannotBeModified",
        "BadRequestWorkspaceNotDeletable",
        "BadRequestTagName",
        "BadRequestTagNameNotUnique",
        "BadRequestTagDescription",
        "BadRequestTagType",
        "BadRequestMultipleNegativeTag",
        "BadRequestImageTags",
        "BadRequestImageRegions",
        "BadRequestNegativeAndRegularTagOnSameImage",
        "BadRequestRequiredParamIsNull",
        "BadRequestIterationIsPublished",
        "BadRequestInvalidPublishName",
        "BadRequestInvalidPublishTarget",
        "BadRequestUnpublishFailed",
        "BadRequestIterationNotPublished",
        "BadRequestSubscriptionApi",
        "BadRequestExceedProjectLimit",
        "BadRequestExceedIterationPerProjectLimit",
        "BadRequestExceedTagPerProjectLimit",
        "BadRequestExceedTagPerImageLimit",
        "BadRequestExceededQuota",
        "BadRequestCannotMigrateProjectWithName",
        "BadRequestNotLimitedTrial",
        "BadRequestImageBatch",
        "BadRequestImageStream",
        "BadRequestImageUrl",
        "BadRequestImageFormat",
        "BadRequestImageSizeBytes",
        "BadRequestImageExceededCount",
        "BadRequestTrainingNotNeeded",
        "BadRequestTrainingNotNeededButTrainingPipelineUpdated",
        "BadRequestTrainingValidationFailed",
        "BadRequestClassificationTrainingValidationFailed",
        "BadRequestMultiClassClassificationTrainingValidationFailed",
        "BadRequestMultiLabelClassificationTrainingValidationFailed",
        "BadRequestDetectionTrainingValidationFailed",
        "BadRequestTrainingAlreadyInProgress",
        "BadRequestDetectionTrainingNotAllowNegativeTag",
        "BadRequestInvalidEmailAddress",
        "BadRequestDomainNotSupportedForAdvancedTraining",
        "BadRequestExportPlatformNotSupportedForAdvancedTraining",
        "BadRequestReservedBudgetInHoursNotEnoughForAdvancedTraining",
        "BadRequestExportValidationFailed",
        "BadRequestExportAlreadyInProgress",
        "BadRequestPredictionIdsMissing",
        "BadRequestPredictionIdsExceededCount",
        "BadRequestPredictionTagsExceededCount",
        "BadRequestPredictionResultsExceededCount",
        "BadRequestPredictionInvalidApplicationName",
        "BadRequestPredictionInvalidQueryParameters",
        "BadRequestInvalidImportToken",
        "BadRequestExportWhileTraining",
        "BadRequestInvalid",
        "UnsupportedMediaType",
        "Forbidden",
        "ForbiddenUser",
        "ForbiddenUserResource",
        "ForbiddenUserSignupDisabled",
        "ForbiddenUserSignupAllowanceExceeded",
        "ForbiddenUserDoesNotExist",
        "ForbiddenUserDisabled",
        "ForbiddenUserInsufficientCapability",
        "ForbiddenDRModeEnabled",
        "ForbiddenInvalid",
        "NotFound",
        "NotFoundProject",
        "NotFoundProjectDefaultIteration",
        "NotFoundIteration",
        "NotFoundIterationPerformance",
        "NotFoundTag",
        "NotFoundImage",
        "NotFoundDomain",
        "NotFoundApimSubscription",
        "NotFoundInvalid",
        "Conflict",
        "ConflictInvalid",
        "ErrorUnknown",
        "ErrorIterationCopyFailed",
        "ErrorPreparePerformanceMigrationFailed",
        "ErrorProjectInvalidWorkspace",
        "ErrorProjectInvalidPipelineConfiguration",
        "ErrorProjectInvalidDomain",
        "ErrorProjectTrainingRequestFailed",
        "ErrorProjectImportRequestFailed",
        "ErrorProjectExportRequestFailed",
        "ErrorFeaturizationServiceUnavailable",
        "ErrorFeaturizationQueueTimeout",
        "ErrorFeaturizationInvalidFeaturizer",
        "ErrorFeaturizationAugmentationUnavailable",
        "ErrorFeaturizationUnrecognizedJob",
        "ErrorFeaturizationAugmentationError",
        "ErrorExporterInvalidPlatform",
        "ErrorExporterInvalidFeaturizer",
        "ErrorExporterInvalidClassifier",
        "ErrorPredictionServiceUnavailable",
        "ErrorPredictionModelNotFound",
        "ErrorPredictionModelNotCached",
        "ErrorPrediction",
        "ErrorPredictionStorage",
        "ErrorRegionProposal",
        "ErrorInvalid"
      ],
      "type": "string",
      "x-ms-enum": {
        "name": "CustomVisionErrorCodes",
        "modelAsString": true
      }
    },
    "message": {
      "description": "A message explaining the error reported by the service.",
      "type": "string"
    }
  }
}

Code samples

@ECHO OFF

curl -v -X POST "https://*.cognitiveservices.azure.com/customvision/v3.2/training/projects/{projectId}/images/regions"
-H "Content-Type: application/json"
-H "Training-key: {subscription key}"

--data-ascii "{body}"

using System;
using System.Net.Http.Headers;
using System.Text;
using System.Net.Http;
using System.Web;

namespace CSHttpClientSample
{
    static class Program
    {
        static void Main()
        {
            MakeRequest();
            Console.WriteLine("Hit ENTER to exit...");
            Console.ReadLine();
        }
        
        static async void MakeRequest()
        {
            var client = new HttpClient();
            var queryString = HttpUtility.ParseQueryString(string.Empty);

            // Request headers
            client.DefaultRequestHeaders.Add("Training-key", "{subscription key}");

            var uri = "https://*.cognitiveservices.azure.com/customvision/v3.2/training/projects/{projectId}/images/regions?" + queryString;

            HttpResponseMessage response;

            // Request body
            byte[] byteData = Encoding.UTF8.GetBytes("{body}");

            using (var content = new ByteArrayContent(byteData))
            {
               content.Headers.ContentType = new MediaTypeHeaderValue("< your content type, i.e. application/json >");
               response = await client.PostAsync(uri, content);
            }

        }
    }
}

// // This sample uses the Apache HTTP client from HTTP Components (http://hc.apache.org/httpcomponents-client-ga/)
import java.net.URI;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

public class JavaSample 
{
    public static void main(String[] args) 
    {
        HttpClient httpclient = HttpClients.createDefault();

        try
        {
            URIBuilder builder = new URIBuilder("https://*.cognitiveservices.azure.com/customvision/v3.2/training/projects/{projectId}/images/regions");


            URI uri = builder.build();
            HttpPost request = new HttpPost(uri);
            request.setHeader("Content-Type", "application/json");
            request.setHeader("Training-key", "{subscription key}");


            // Request body
            StringEntity reqEntity = new StringEntity("{body}");
            request.setEntity(reqEntity);

            HttpResponse response = httpclient.execute(request);
            HttpEntity entity = response.getEntity();

            if (entity != null) 
            {
                System.out.println(EntityUtils.toString(entity));
            }
        }
        catch (Exception e)
        {
            System.out.println(e.getMessage());
        }
    }
}

<!DOCTYPE html>
<html>
<head>
    <title>JSSample</title>
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
</head>
<body>

<script type="text/javascript">
    $(function() {
        var params = {
            // Request parameters
        };
      
        $.ajax({
            url: "https://*.cognitiveservices.azure.com/customvision/v3.2/training/projects/{projectId}/images/regions?" + $.param(params),
            beforeSend: function(xhrObj){
                // Request headers
                xhrObj.setRequestHeader("Content-Type","application/json");
                xhrObj.setRequestHeader("Training-key","{subscription key}");
            },
            type: "POST",
            // Request body
            data: "{body}",
        })
        .done(function(data) {
            alert("success");
        })
        .fail(function() {
            alert("error");
        });
    });
</script>
</body>
</html>

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[])
{
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
    
    NSString* path = @"https://*.cognitiveservices.azure.com/customvision/v3.2/training/projects/{projectId}/images/regions";
    NSArray* array = @[
                         // Request parameters
                         @"entities=true",
                      ];
    
    NSString* string = [array componentsJoinedByString:@"&"];
    path = [path stringByAppendingFormat:@"?%@", string];

    NSLog(@"%@", path);

    NSMutableURLRequest* _request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:path]];
    [_request setHTTPMethod:@"POST"];
    // Request headers
    [_request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
    [_request setValue:@"{subscription key}" forHTTPHeaderField:@"Training-key"];
    // Request body
    [_request setHTTPBody:[@"{body}" dataUsingEncoding:NSUTF8StringEncoding]];
    
    NSURLResponse *response = nil;
    NSError *error = nil;
    NSData* _connectionData = [NSURLConnection sendSynchronousRequest:_request returningResponse:&response error:&error];

    if (nil != error)
    {
        NSLog(@"Error: %@", error);
    }
    else
    {
        NSError* error = nil;
        NSMutableDictionary* json = nil;
        NSString* dataString = [[NSString alloc] initWithData:_connectionData encoding:NSUTF8StringEncoding];
        NSLog(@"%@", dataString);
        
        if (nil != _connectionData)
        {
            json = [NSJSONSerialization JSONObjectWithData:_connectionData options:NSJSONReadingMutableContainers error:&error];
        }
        
        if (error || !json)
        {
            NSLog(@"Could not parse loaded json with error:%@", error);
        }
        
        NSLog(@"%@", json);
        _connectionData = nil;
    }
    
    [pool drain];

    return 0;
}

<?php
// This sample uses the Apache HTTP client from HTTP Components (http://hc.apache.org/httpcomponents-client-ga/)
require_once 'HTTP/Request2.php';

$request = new Http_Request2('https://*.cognitiveservices.azure.com/customvision/v3.2/training/projects/{projectId}/images/regions');
$url = $request->getUrl();

$headers = array(
    // Request headers
    'Content-Type' => 'application/json',
    'Training-key' => '{subscription key}',
);

$request->setHeader($headers);

$parameters = array(
    // Request parameters
);

$url->setQueryVariables($parameters);

$request->setMethod(HTTP_Request2::METHOD_POST);

// Request body
$request->setBody("{body}");

try
{
    $response = $request->send();
    echo $response->getBody();
}
catch (HttpException $ex)
{
    echo $ex;
}

?>

########### Python 2.7 #############
import httplib, urllib, base64

headers = {
    # Request headers
    'Content-Type': 'application/json',
    'Training-key': '{subscription key}',
}

params = urllib.urlencode({
})

try:
    conn = httplib.HTTPSConnection('*.cognitiveservices.azure.com')
    conn.request("POST", "/customvision/v3.2/training/projects/{projectId}/images/regions?%s" % params, "{body}", headers)
    response = conn.getresponse()
    data = response.read()
    print(data)
    conn.close()
except Exception as e:
    print("[Errno {0}] {1}".format(e.errno, e.strerror))

####################################

########### Python 3.2 #############
import http.client, urllib.request, urllib.parse, urllib.error, base64

headers = {
    # Request headers
    'Content-Type': 'application/json',
    'Training-key': '{subscription key}',
}

params = urllib.parse.urlencode({
})

try:
    conn = http.client.HTTPSConnection('*.cognitiveservices.azure.com')
    conn.request("POST", "/customvision/v3.2/training/projects/{projectId}/images/regions?%s" % params, "{body}", headers)
    response = conn.getresponse()
    data = response.read()
    print(data)
    conn.close()
except Exception as e:
    print("[Errno {0}] {1}".format(e.errno, e.strerror))

####################################

require 'net/http'

uri = URI('https://*.cognitiveservices.azure.com/customvision/v3.2/training/projects/{projectId}/images/regions')


request = Net::HTTP::Post.new(uri.request_uri)
# Request headers
request['Content-Type'] = 'application/json'
# Request headers
request['Training-key'] = '{subscription key}'
# Request body
request.body = "{body}"

response = Net::HTTP.start(uri.host, uri.port, :use_ssl => uri.scheme == 'https') do |http|
    http.request(request)
end

puts response.body