Document Models - Build Model

Service:

Azure AI Services

API Version:

2024-11-30

Builds a custom document analysis model.

POST {endpoint}/documentintelligence/documentModels:build?api-version=2024-11-30

URI Parameters

Name	In	Required	Type	Description
endpoint	path	True	string uri	The Document Intelligence service endpoint.
api-version	query	True	string	The API version to use for this operation.

Request Body

Name	Required	Type	Description
buildMode	True	DocumentBuildMode	Custom document model build mode.
modelId	True	string	Unique document model name.
allowOverwrite		boolean	Allow overwriting an existing model with the same name.
azureBlobFileListSource		AzureBlobFileListContentSource	Azure Blob Storage file list specifying the training data. Either azureBlobSource or azureBlobFileListSource must be specified.
azureBlobSource		AzureBlobContentSource	Azure Blob Storage location containing the training data. Either azureBlobSource or azureBlobFileListSource must be specified.
description		string	Document model description.
maxTrainingHours		number	Max number of V100-equivalent GPU hours to use for model training. Default=0.5.
tags		object	List of key-value tag attributes associated with the document model.

Responses

Name	Type	Description
202 Accepted		The request has been accepted for processing, but processing has not yet completed. Headers Operation-Location: string Retry-After: integer
Other Status Codes	DocumentIntelligenceErrorResponse	An unexpected error response.

Security

Ocp-Apim-Subscription-Key

Type: apiKey
In: header

OAuth2Auth

Type: oauth2
Flow: accessCode
Authorization URL: https://login.microsoftonline.com/common/oauth2/authorize
Token URL: https://login.microsoftonline.com/common/oauth2/token

Scopes

Name	Description
https://cognitiveservices.azure.com/.default

Examples

Build Document Model

Sample request

HTTP

POST https://myendpoint.cognitiveservices.azure.com/documentintelligence/documentModels:build?api-version=2024-11-30

{
  "modelId": "myCustomModel",
  "description": "Custom model description",
  "buildMode": "template",
  "azureBlobSource": {
    "containerUrl": "https://myStorageAccount.blob.core.windows.net/myContainer?mySasToken",
    "prefix": "trainingDocs/"
  },
  "tags": {
    "createdBy": "myUserId"
  }
}

Sample response

Status code:

202

Operation-Location: https://myendpoint.cognitiveservices.azure.com/documentintelligence/operations/b704bb00-d130-4f3f-a1d8-ca96de3eabb4?api-version=2024-11-30

Definitions

Name	Description
AzureBlobContentSource	Azure Blob Storage content.
AzureBlobFileListContentSource	File list in Azure Blob Storage.
BuildDocumentModelRequest	Request body to build a new custom document model.
DocumentBuildMode	Custom document model build mode.
DocumentIntelligenceError	The error object.
DocumentIntelligenceErrorResponse	Error response object.
DocumentIntelligenceInnerError	An object containing more specific information about the error.

AzureBlobContentSource

Azure Blob Storage content.

Name	Type	Description
containerUrl	string	Azure Blob Storage container URL.
prefix	string	Blob name prefix.

AzureBlobFileListContentSource

File list in Azure Blob Storage.

Name	Type	Description
containerUrl	string	Azure Blob Storage container URL.
fileList	string	Path to a JSONL file within the container specifying a subset of documents.

BuildDocumentModelRequest

Request body to build a new custom document model.

Name	Type	Default value	Description
allowOverwrite	boolean	False	Allow overwriting an existing model with the same name.
azureBlobFileListSource	AzureBlobFileListContentSource		Azure Blob Storage file list specifying the training data. Either azureBlobSource or azureBlobFileListSource must be specified.
azureBlobSource	AzureBlobContentSource		Azure Blob Storage location containing the training data. Either azureBlobSource or azureBlobFileListSource must be specified.
buildMode	DocumentBuildMode		Custom document model build mode.
description	string		Document model description.
maxTrainingHours	number	0.5	Max number of V100-equivalent GPU hours to use for model training. Default=0.5.
modelId	string		Unique document model name.
tags	object		List of key-value tag attributes associated with the document model.

DocumentBuildMode

Custom document model build mode.

Name	Type	Description
neural	string	Support documents with diverse visual templates.
template	string	Target documents with similar visual templates.

DocumentIntelligenceError

The error object.

Name	Type	Description
code	string	One of a server-defined set of error codes.
details	DocumentIntelligenceError[]	An array of details about specific errors that led to this reported error.
innererror	DocumentIntelligenceInnerError	An object containing more specific information than the current object about the error.
message	string	A human-readable representation of the error.
target	string	The target of the error.

DocumentIntelligenceErrorResponse

Error response object.

Name	Type	Description
error	DocumentIntelligenceError	Error info.

DocumentIntelligenceInnerError

An object containing more specific information about the error.

Name	Type	Description
code	string	One of a server-defined set of error codes.
innererror	DocumentIntelligenceInnerError	Inner error.
message	string	A human-readable representation of the error.