Custom_Vision_Training_3.3

TrainProject

Queues project for training.

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

West US 2 East US East US 2 South Central US West Europe North Europe Southeast Asia Australia East Central India UK South Japan East North Central US Central US EUAP

Request URL

Request parameters

string

Format - uuid. The project id.

(optional)
string

The type of training to use to train the project (default: Regular).

(optional)
integer

Format - int32. The number of hours reserved as budget for training (if applicable).

(optional)
boolean

Whether to force train even if dataset and configuration does not change (default: false).

(optional)
string

The email address to send notification to when training finishes (default: null).

Request headers

string
Media type of the body sent to the API.
string
Subscription key which provides access to this API. Found in your Profile.

Request body

Additional training parameters passed in to control how the project is trained.

{
  "selectedTags": [
    "00000000-0000-0000-0000-000000000000"
  ]
}
{
  "description": "Parameters used for training.",
  "type": "object",
  "properties": {
    "selectedTags": {
      "description": "List of tags selected for this training session, other tags in the project will be ignored.",
      "type": "array",
      "items": {
        "format": "uuid",
        "type": "string",
        "example": "00000000-0000-0000-0000-000000000000",
        "x-nullable": false
      },
      "readOnly": false
    }
  }
}
<TrainingParameters>
  <selectedTags>00000000-0000-0000-0000-000000000000</selectedTags>
</TrainingParameters>
{
  "description": "Parameters used for training.",
  "type": "object",
  "properties": {
    "selectedTags": {
      "description": "List of tags selected for this training session, other tags in the project will be ignored.",
      "type": "array",
      "items": {
        "format": "uuid",
        "type": "string",
        "example": "00000000-0000-0000-0000-000000000000",
        "x-nullable": false
      },
      "readOnly": false
    }
  }
}
<TrainingParameters>
  <selectedTags>00000000-0000-0000-0000-000000000000</selectedTags>
</TrainingParameters>
{
  "description": "Parameters used for training.",
  "type": "object",
  "properties": {
    "selectedTags": {
      "description": "List of tags selected for this training session, other tags in the project will be ignored.",
      "type": "array",
      "items": {
        "format": "uuid",
        "type": "string",
        "example": "00000000-0000-0000-0000-000000000000",
        "x-nullable": false
      },
      "readOnly": false
    }
  }
}

Response 200

OK

{
  "id": "00000000-0000-0000-0000-000000000000",
  "name": "string",
  "status": "string",
  "created": "string",
  "lastModified": "string",
  "trainedAt": "string",
  "projectId": "00000000-0000-0000-0000-000000000000",
  "exportable": true,
  "exportableTo": [
    "CoreML"
  ],
  "domainId": "00000000-0000-0000-0000-000000000000",
  "classificationType": "Multiclass",
  "trainingType": "Regular",
  "reservedBudgetInHours": 0,
  "trainingTimeInMinutes": 0,
  "publishName": "string",
  "originalPublishResourceId": "string"
}
{
  "description": "Iteration model to be sent over JSON.",
  "required": [
    "name"
  ],
  "type": "object",
  "properties": {
    "id": {
      "format": "uuid",
      "description": "Gets the id of the iteration.",
      "type": "string",
      "readOnly": true,
      "example": "00000000-0000-0000-0000-000000000000",
      "x-nullable": false
    },
    "name": {
      "description": "Gets or sets the name of the iteration.",
      "type": "string",
      "readOnly": false,
      "x-nullable": false
    },
    "status": {
      "description": "Gets the current iteration status.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "created": {
      "format": "date-time",
      "description": "Gets the time this iteration was completed.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "lastModified": {
      "format": "date-time",
      "description": "Gets the time this iteration was last modified.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "trainedAt": {
      "format": "date-time",
      "description": "Gets the time this iteration was last modified.",
      "type": "string",
      "readOnly": true,
      "x-nullable": true
    },
    "projectId": {
      "format": "uuid",
      "description": "Gets the project id of the iteration.",
      "type": "string",
      "readOnly": true,
      "example": "00000000-0000-0000-0000-000000000000",
      "x-nullable": false
    },
    "exportable": {
      "description": "Whether the iteration can be exported to another format for download.",
      "type": "boolean",
      "readOnly": true,
      "x-nullable": false
    },
    "exportableTo": {
      "description": "A set of platforms this iteration can export to.",
      "type": "array",
      "items": {
        "enum": [
          "CoreML",
          "TensorFlow",
          "DockerFile",
          "ONNX",
          "VAIDK"
        ],
        "type": "string",
        "x-nullable": false
      },
      "readOnly": true
    },
    "domainId": {
      "format": "uuid",
      "description": "Get or sets a guid of the domain the iteration has been trained on.",
      "type": "string",
      "readOnly": true,
      "example": "00000000-0000-0000-0000-000000000000",
      "x-nullable": true
    },
    "classificationType": {
      "description": "Gets the classification type of the project.",
      "enum": [
        "Multiclass",
        "Multilabel"
      ],
      "type": "string",
      "readOnly": true,
      "x-nullable": true,
      "x-ms-enum": {
        "name": "Classifier",
        "modelAsString": true
      }
    },
    "trainingType": {
      "description": "Gets the training type of the iteration.",
      "enum": [
        "Regular",
        "Advanced"
      ],
      "type": "string",
      "readOnly": true,
      "x-nullable": false,
      "x-ms-enum": {
        "name": "TrainingType",
        "modelAsString": true
      }
    },
    "reservedBudgetInHours": {
      "format": "int32",
      "description": "Gets the reserved advanced training budget for the iteration.",
      "type": "integer",
      "readOnly": true,
      "x-nullable": false
    },
    "trainingTimeInMinutes": {
      "format": "int32",
      "description": "Gets the training time for the iteration.",
      "type": "integer",
      "readOnly": true,
      "x-nullable": false
    },
    "publishName": {
      "description": "Name of the published model.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "originalPublishResourceId": {
      "description": "Resource Provider Id this iteration was originally published to.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    }
  }
}
<Iteration>
  <id>00000000-0000-0000-0000-000000000000</id>
  <name>string</name>
  <status>string</status>
  <created>string</created>
  <lastModified>string</lastModified>
  <trainedAt>string</trainedAt>
  <projectId>00000000-0000-0000-0000-000000000000</projectId>
  <exportable>true</exportable>
  <exportableTo>CoreML</exportableTo>
  <domainId>00000000-0000-0000-0000-000000000000</domainId>
  <classificationType>Multiclass</classificationType>
  <trainingType>Regular</trainingType>
  <reservedBudgetInHours>0</reservedBudgetInHours>
  <trainingTimeInMinutes>0</trainingTimeInMinutes>
  <publishName>string</publishName>
  <originalPublishResourceId>string</originalPublishResourceId>
</Iteration>
{
  "description": "Iteration model to be sent over JSON.",
  "required": [
    "name"
  ],
  "type": "object",
  "properties": {
    "id": {
      "format": "uuid",
      "description": "Gets the id of the iteration.",
      "type": "string",
      "readOnly": true,
      "example": "00000000-0000-0000-0000-000000000000",
      "x-nullable": false
    },
    "name": {
      "description": "Gets or sets the name of the iteration.",
      "type": "string",
      "readOnly": false,
      "x-nullable": false
    },
    "status": {
      "description": "Gets the current iteration status.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "created": {
      "format": "date-time",
      "description": "Gets the time this iteration was completed.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "lastModified": {
      "format": "date-time",
      "description": "Gets the time this iteration was last modified.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "trainedAt": {
      "format": "date-time",
      "description": "Gets the time this iteration was last modified.",
      "type": "string",
      "readOnly": true,
      "x-nullable": true
    },
    "projectId": {
      "format": "uuid",
      "description": "Gets the project id of the iteration.",
      "type": "string",
      "readOnly": true,
      "example": "00000000-0000-0000-0000-000000000000",
      "x-nullable": false
    },
    "exportable": {
      "description": "Whether the iteration can be exported to another format for download.",
      "type": "boolean",
      "readOnly": true,
      "x-nullable": false
    },
    "exportableTo": {
      "description": "A set of platforms this iteration can export to.",
      "type": "array",
      "items": {
        "enum": [
          "CoreML",
          "TensorFlow",
          "DockerFile",
          "ONNX",
          "VAIDK"
        ],
        "type": "string",
        "x-nullable": false
      },
      "readOnly": true
    },
    "domainId": {
      "format": "uuid",
      "description": "Get or sets a guid of the domain the iteration has been trained on.",
      "type": "string",
      "readOnly": true,
      "example": "00000000-0000-0000-0000-000000000000",
      "x-nullable": true
    },
    "classificationType": {
      "description": "Gets the classification type of the project.",
      "enum": [
        "Multiclass",
        "Multilabel"
      ],
      "type": "string",
      "readOnly": true,
      "x-nullable": true,
      "x-ms-enum": {
        "name": "Classifier",
        "modelAsString": true
      }
    },
    "trainingType": {
      "description": "Gets the training type of the iteration.",
      "enum": [
        "Regular",
        "Advanced"
      ],
      "type": "string",
      "readOnly": true,
      "x-nullable": false,
      "x-ms-enum": {
        "name": "TrainingType",
        "modelAsString": true
      }
    },
    "reservedBudgetInHours": {
      "format": "int32",
      "description": "Gets the reserved advanced training budget for the iteration.",
      "type": "integer",
      "readOnly": true,
      "x-nullable": false
    },
    "trainingTimeInMinutes": {
      "format": "int32",
      "description": "Gets the training time for the iteration.",
      "type": "integer",
      "readOnly": true,
      "x-nullable": false
    },
    "publishName": {
      "description": "Name of the published model.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "originalPublishResourceId": {
      "description": "Resource Provider Id this iteration was originally published to.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    }
  }
}
<Iteration>
  <id>00000000-0000-0000-0000-000000000000</id>
  <name>string</name>
  <status>string</status>
  <created>string</created>
  <lastModified>string</lastModified>
  <trainedAt>string</trainedAt>
  <projectId>00000000-0000-0000-0000-000000000000</projectId>
  <exportable>true</exportable>
  <exportableTo>CoreML</exportableTo>
  <domainId>00000000-0000-0000-0000-000000000000</domainId>
  <classificationType>Multiclass</classificationType>
  <trainingType>Regular</trainingType>
  <reservedBudgetInHours>0</reservedBudgetInHours>
  <trainingTimeInMinutes>0</trainingTimeInMinutes>
  <publishName>string</publishName>
  <originalPublishResourceId>string</originalPublishResourceId>
</Iteration>
{
  "description": "Iteration model to be sent over JSON.",
  "required": [
    "name"
  ],
  "type": "object",
  "properties": {
    "id": {
      "format": "uuid",
      "description": "Gets the id of the iteration.",
      "type": "string",
      "readOnly": true,
      "example": "00000000-0000-0000-0000-000000000000",
      "x-nullable": false
    },
    "name": {
      "description": "Gets or sets the name of the iteration.",
      "type": "string",
      "readOnly": false,
      "x-nullable": false
    },
    "status": {
      "description": "Gets the current iteration status.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "created": {
      "format": "date-time",
      "description": "Gets the time this iteration was completed.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "lastModified": {
      "format": "date-time",
      "description": "Gets the time this iteration was last modified.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "trainedAt": {
      "format": "date-time",
      "description": "Gets the time this iteration was last modified.",
      "type": "string",
      "readOnly": true,
      "x-nullable": true
    },
    "projectId": {
      "format": "uuid",
      "description": "Gets the project id of the iteration.",
      "type": "string",
      "readOnly": true,
      "example": "00000000-0000-0000-0000-000000000000",
      "x-nullable": false
    },
    "exportable": {
      "description": "Whether the iteration can be exported to another format for download.",
      "type": "boolean",
      "readOnly": true,
      "x-nullable": false
    },
    "exportableTo": {
      "description": "A set of platforms this iteration can export to.",
      "type": "array",
      "items": {
        "enum": [
          "CoreML",
          "TensorFlow",
          "DockerFile",
          "ONNX",
          "VAIDK"
        ],
        "type": "string",
        "x-nullable": false
      },
      "readOnly": true
    },
    "domainId": {
      "format": "uuid",
      "description": "Get or sets a guid of the domain the iteration has been trained on.",
      "type": "string",
      "readOnly": true,
      "example": "00000000-0000-0000-0000-000000000000",
      "x-nullable": true
    },
    "classificationType": {
      "description": "Gets the classification type of the project.",
      "enum": [
        "Multiclass",
        "Multilabel"
      ],
      "type": "string",
      "readOnly": true,
      "x-nullable": true,
      "x-ms-enum": {
        "name": "Classifier",
        "modelAsString": true
      }
    },
    "trainingType": {
      "description": "Gets the training type of the iteration.",
      "enum": [
        "Regular",
        "Advanced"
      ],
      "type": "string",
      "readOnly": true,
      "x-nullable": false,
      "x-ms-enum": {
        "name": "TrainingType",
        "modelAsString": true
      }
    },
    "reservedBudgetInHours": {
      "format": "int32",
      "description": "Gets the reserved advanced training budget for the iteration.",
      "type": "integer",
      "readOnly": true,
      "x-nullable": false
    },
    "trainingTimeInMinutes": {
      "format": "int32",
      "description": "Gets the training time for the iteration.",
      "type": "integer",
      "readOnly": true,
      "x-nullable": false
    },
    "publishName": {
      "description": "Name of the published model.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    },
    "originalPublishResourceId": {
      "description": "Resource Provider Id this iteration was originally published to.",
      "type": "string",
      "readOnly": true,
      "x-nullable": false
    }
  }
}

Response 500

Error response

{
  "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",
        "BadRequestMultipleGeneralProductTag",
        "BadRequestImageTags",
        "BadRequestImageRegions",
        "BadRequestNegativeAndRegularTagOnSameImage",
        "BadRequestUnsupportedDomain",
        "BadRequestRequiredParamIsNull",
        "BadRequestIterationIsPublished",
        "BadRequestInvalidPublishName",
        "BadRequestInvalidPublishTarget",
        "BadRequestUnpublishFailed",
        "BadRequestIterationNotPublished",
        "BadRequestSubscriptionApi",
        "BadRequestExceedProjectLimit",
        "BadRequestExceedIterationPerProjectLimit",
        "BadRequestExceedTagPerProjectLimit",
        "BadRequestExceedTagPerImageLimit",
        "BadRequestExceededQuota",
        "BadRequestCannotMigrateProjectWithName",
        "BadRequestNotLimitedTrial",
        "BadRequestImageBatch",
        "BadRequestImageStream",
        "BadRequestImageUrl",
        "BadRequestImageFormat",
        "BadRequestImageSizeBytes",
        "BadRequestImageDimensions",
        "BadRequestImageExceededCount",
        "BadRequestTrainingNotNeeded",
        "BadRequestTrainingNotNeededButTrainingPipelineUpdated",
        "BadRequestTrainingValidationFailed",
        "BadRequestClassificationTrainingValidationFailed",
        "BadRequestMultiClassClassificationTrainingValidationFailed",
        "BadRequestMultiLabelClassificationTrainingValidationFailed",
        "BadRequestDetectionTrainingValidationFailed",
        "BadRequestTrainingAlreadyInProgress",
        "BadRequestDetectionTrainingNotAllowNegativeTag",
        "BadRequestInvalidEmailAddress",
        "BadRequestDomainNotSupportedForAdvancedTraining",
        "BadRequestExportPlatformNotSupportedForAdvancedTraining",
        "BadRequestReservedBudgetInHoursNotEnoughForAdvancedTraining",
        "BadRequestExportValidationFailed",
        "BadRequestExportAlreadyInProgress",
        "BadRequestPredictionIdsMissing",
        "BadRequestPredictionIdsExceededCount",
        "BadRequestPredictionTagsExceededCount",
        "BadRequestPredictionResultsExceededCount",
        "BadRequestPredictionInvalidApplicationName",
        "BadRequestPredictionInvalidQueryParameters",
        "BadRequestInvalidImportToken",
        "BadRequestExportWhileTraining",
        "BadRequestImageMetadataKey",
        "BadRequestImageMetadataValue",
        "BadRequestOperationNotSupported",
        "BadRequestInvalidArtifactUri",
        "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"
    }
  }
}
<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",
        "BadRequestMultipleGeneralProductTag",
        "BadRequestImageTags",
        "BadRequestImageRegions",
        "BadRequestNegativeAndRegularTagOnSameImage",
        "BadRequestUnsupportedDomain",
        "BadRequestRequiredParamIsNull",
        "BadRequestIterationIsPublished",
        "BadRequestInvalidPublishName",
        "BadRequestInvalidPublishTarget",
        "BadRequestUnpublishFailed",
        "BadRequestIterationNotPublished",
        "BadRequestSubscriptionApi",
        "BadRequestExceedProjectLimit",
        "BadRequestExceedIterationPerProjectLimit",
        "BadRequestExceedTagPerProjectLimit",
        "BadRequestExceedTagPerImageLimit",
        "BadRequestExceededQuota",
        "BadRequestCannotMigrateProjectWithName",
        "BadRequestNotLimitedTrial",
        "BadRequestImageBatch",
        "BadRequestImageStream",
        "BadRequestImageUrl",
        "BadRequestImageFormat",
        "BadRequestImageSizeBytes",
        "BadRequestImageDimensions",
        "BadRequestImageExceededCount",
        "BadRequestTrainingNotNeeded",
        "BadRequestTrainingNotNeededButTrainingPipelineUpdated",
        "BadRequestTrainingValidationFailed",
        "BadRequestClassificationTrainingValidationFailed",
        "BadRequestMultiClassClassificationTrainingValidationFailed",
        "BadRequestMultiLabelClassificationTrainingValidationFailed",
        "BadRequestDetectionTrainingValidationFailed",
        "BadRequestTrainingAlreadyInProgress",
        "BadRequestDetectionTrainingNotAllowNegativeTag",
        "BadRequestInvalidEmailAddress",
        "BadRequestDomainNotSupportedForAdvancedTraining",
        "BadRequestExportPlatformNotSupportedForAdvancedTraining",
        "BadRequestReservedBudgetInHoursNotEnoughForAdvancedTraining",
        "BadRequestExportValidationFailed",
        "BadRequestExportAlreadyInProgress",
        "BadRequestPredictionIdsMissing",
        "BadRequestPredictionIdsExceededCount",
        "BadRequestPredictionTagsExceededCount",
        "BadRequestPredictionResultsExceededCount",
        "BadRequestPredictionInvalidApplicationName",
        "BadRequestPredictionInvalidQueryParameters",
        "BadRequestInvalidImportToken",
        "BadRequestExportWhileTraining",
        "BadRequestImageMetadataKey",
        "BadRequestImageMetadataValue",
        "BadRequestOperationNotSupported",
        "BadRequestInvalidArtifactUri",
        "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"
    }
  }
}
<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",
        "BadRequestMultipleGeneralProductTag",
        "BadRequestImageTags",
        "BadRequestImageRegions",
        "BadRequestNegativeAndRegularTagOnSameImage",
        "BadRequestUnsupportedDomain",
        "BadRequestRequiredParamIsNull",
        "BadRequestIterationIsPublished",
        "BadRequestInvalidPublishName",
        "BadRequestInvalidPublishTarget",
        "BadRequestUnpublishFailed",
        "BadRequestIterationNotPublished",
        "BadRequestSubscriptionApi",
        "BadRequestExceedProjectLimit",
        "BadRequestExceedIterationPerProjectLimit",
        "BadRequestExceedTagPerProjectLimit",
        "BadRequestExceedTagPerImageLimit",
        "BadRequestExceededQuota",
        "BadRequestCannotMigrateProjectWithName",
        "BadRequestNotLimitedTrial",
        "BadRequestImageBatch",
        "BadRequestImageStream",
        "BadRequestImageUrl",
        "BadRequestImageFormat",
        "BadRequestImageSizeBytes",
        "BadRequestImageDimensions",
        "BadRequestImageExceededCount",
        "BadRequestTrainingNotNeeded",
        "BadRequestTrainingNotNeededButTrainingPipelineUpdated",
        "BadRequestTrainingValidationFailed",
        "BadRequestClassificationTrainingValidationFailed",
        "BadRequestMultiClassClassificationTrainingValidationFailed",
        "BadRequestMultiLabelClassificationTrainingValidationFailed",
        "BadRequestDetectionTrainingValidationFailed",
        "BadRequestTrainingAlreadyInProgress",
        "BadRequestDetectionTrainingNotAllowNegativeTag",
        "BadRequestInvalidEmailAddress",
        "BadRequestDomainNotSupportedForAdvancedTraining",
        "BadRequestExportPlatformNotSupportedForAdvancedTraining",
        "BadRequestReservedBudgetInHoursNotEnoughForAdvancedTraining",
        "BadRequestExportValidationFailed",
        "BadRequestExportAlreadyInProgress",
        "BadRequestPredictionIdsMissing",
        "BadRequestPredictionIdsExceededCount",
        "BadRequestPredictionTagsExceededCount",
        "BadRequestPredictionResultsExceededCount",
        "BadRequestPredictionInvalidApplicationName",
        "BadRequestPredictionInvalidQueryParameters",
        "BadRequestInvalidImportToken",
        "BadRequestExportWhileTraining",
        "BadRequestImageMetadataKey",
        "BadRequestImageMetadataValue",
        "BadRequestOperationNotSupported",
        "BadRequestInvalidArtifactUri",
        "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://centralindia.api.cognitive.microsoft.com/customvision/v3.3/Training/projects/{projectId}/train?trainingType={string}&reservedBudgetInHours=0&forceTrain=False&notificationEmailAddress={string}"
-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}");

            // Request parameters
            queryString["trainingType"] = "{string}";
            queryString["reservedBudgetInHours"] = "0";
            queryString["forceTrain"] = "False";
            queryString["notificationEmailAddress"] = "{string}";
            var uri = "https://centralindia.api.cognitive.microsoft.com/customvision/v3.3/Training/projects/{projectId}/train?" + 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://centralindia.api.cognitive.microsoft.com/customvision/v3.3/Training/projects/{projectId}/train");

            builder.setParameter("trainingType", "{string}");
            builder.setParameter("reservedBudgetInHours", "0");
            builder.setParameter("forceTrain", "False");
            builder.setParameter("notificationEmailAddress", "{string}");

            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
            "trainingType": "{string}",
            "reservedBudgetInHours": "0",
            "forceTrain": "False",
            "notificationEmailAddress": "{string}",
        };
      
        $.ajax({
            url: "https://centralindia.api.cognitive.microsoft.com/customvision/v3.3/Training/projects/{projectId}/train?" + $.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://centralindia.api.cognitive.microsoft.com/customvision/v3.3/Training/projects/{projectId}/train";
    NSArray* array = @[
                         // Request parameters
                         @"entities=true",
                         @"trainingType={string}",
                         @"reservedBudgetInHours=0",
                         @"forceTrain=False",
                         @"notificationEmailAddress={string}",
                      ];
    
    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://centralindia.api.cognitive.microsoft.com/customvision/v3.3/Training/projects/{projectId}/train');
$url = $request->getUrl();

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

$request->setHeader($headers);

$parameters = array(
    // Request parameters
    'trainingType' => '{string}',
    'reservedBudgetInHours' => '0',
    'forceTrain' => 'False',
    'notificationEmailAddress' => '{string}',
);

$url->setQueryVariables($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({
    # Request parameters
    'trainingType': '{string}',
    'reservedBudgetInHours': '0',
    'forceTrain': 'False',
    'notificationEmailAddress': '{string}',
})

try:
    conn = httplib.HTTPSConnection('centralindia.api.cognitive.microsoft.com')
    conn.request("POST", "/customvision/v3.3/Training/projects/{projectId}/train?%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({
    # Request parameters
    'trainingType': '{string}',
    'reservedBudgetInHours': '0',
    'forceTrain': 'False',
    'notificationEmailAddress': '{string}',
})

try:
    conn = http.client.HTTPSConnection('centralindia.api.cognitive.microsoft.com')
    conn.request("POST", "/customvision/v3.3/Training/projects/{projectId}/train?%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://centralindia.api.cognitive.microsoft.com/customvision/v3.3/Training/projects/{projectId}/train')
uri.query = URI.encode_www_form({
    # Request parameters
    'trainingType' => '{string}',
    'reservedBudgetInHours' => '0',
    'forceTrain' => 'False',
    'notificationEmailAddress' => '{string}'
})

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