Document Classifiers - Classify Document

Service:

Azure AI Services

API Version:

2024-11-30

Classifies document with document classifier.

POST {endpoint}/documentintelligence/documentClassifiers/{classifierId}:analyze?_overload=classifyDocument&api-version=2024-11-30

With optional parameters:

POST {endpoint}/documentintelligence/documentClassifiers/{classifierId}:analyze?_overload=classifyDocument&api-version=2024-11-30&stringIndexType={stringIndexType}&split={split}&pages={pages}

URI Parameters

Name	In	Required	Type	Description
classifierId	path	True	string	Unique document classifier name. Regex pattern: ^[a-zA-Z0-9][a-zA-Z0-9._~-]{1,63}$
endpoint	path	True	string uri	The Document Intelligence service endpoint.
api-version	query	True	string	The API version to use for this operation.
pages	query		string	1-based page numbers to analyze. Ex. "1-3,5,7-9" Regex pattern: ^(\d+(-\d+)?)(,\s*(\d+(-\d+)?))*$
split	query		SplitMode	Document splitting mode.
stringIndexType	query		StringIndexType	Method used to compute string offset and length.

Request Body

Name	Type	Description
base64Source	string	Base64 encoding of the document to classify. Either urlSource or base64Source must be specified.
urlSource	string	Document URL to classify. Either urlSource or base64Source must be specified.

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

Classify Document from Url

Sample request

HTTP

POST https://myendpoint.cognitiveservices.azure.com/documentintelligence/documentClassifiers/classifierId:analyze?_overload=classifyDocument&api-version=2024-11-30&stringIndexType=textElements

{
  "urlSource": "http://host.com/doc.pdf"
}

Sample response

Status code:

202

Operation-Location: https://myendpoint.cognitiveservices.azure.com/documentintelligence/documentClassifiers/customClassifier/analyzeResults/3b31320d-8bab-4f88-b19c-2322a7f11034?api-version=2024-11-30

Definitions

Name	Description
ClassifyDocumentRequest	Document classification parameters.
DocumentIntelligenceError	The error object.
DocumentIntelligenceErrorResponse	Error response object.
DocumentIntelligenceInnerError	An object containing more specific information about the error.
SplitMode	File splitting behavior.
StringIndexType	Method used to compute string offset and length.

ClassifyDocumentRequest

Document classification parameters.

Name	Type	Description
base64Source	string	Base64 encoding of the document to classify. Either urlSource or base64Source must be specified.
urlSource	string	Document URL to classify. Either urlSource or base64Source must be specified.

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.

SplitMode

File splitting behavior.

Name	Type	Description
auto	string	Automatically split file into documents.
none	string	Treat the entire file as a single document.
perPage	string	Treat each page in the file as a separate document.

StringIndexType

Method used to compute string offset and length.

Name	Type	Description
textElements	string	User-perceived display character, or grapheme cluster, as defined by Unicode 8.0.0.
unicodeCodePoint	string	Character unit represented by a single unicode code point. Used by Python 3.
utf16CodeUnit	string	Character unit represented by a 16-bit Unicode code unit. Used by JavaScript, Java, and .NET.