Global
https://openapi.advance.ai/v1/business/applications/{applicationId}/documents
PATCH (application/json)Parameter Description Authorization string Please use Token Authentication API to get your access token.Bearer {token}
Parameter Required Description applicationId True string The unique identifier of the application.
Parameter Required Description documentId True string The document ID obtained from the Upload Document endpoint.declaredId True string The declared KYB company ID or KYB individual ID to attach the document to.
Bash
curl -X PATCH "https://openapi.advance.ai/v1/business/applications/APP-2026052200001/documents" \
-H "Authorization: Bearer {Your Access Token}" \
-H "Content-Type: application/json" \
-d '{
"documentId": "DOC-2026052200001",
"declaredId": "COM-2026052200001"
}'Bash - Attach to Individual
curl -X PATCH "https://openapi.advance.ai/v1/business/applications/APP-2026052200001/documents" \
-H "Authorization: Bearer {Your Access Token}" \
-H "Content-Type: application/json" \
-d '{
"documentId": "DOC-2026052200002",
"declaredId": "IND-2026052200001"
}'Field Description applicationId string The unique identifier of the application.declaredId string The declared entity identifier the document was attached to.entityType enum The type of entity (COMPANY or INDIVIDUAL).documentId string The document identifier.updatedAt string The update timestamp in ISO 8601 format.
Value Description COMPANY The document is attached to a company entity. INDIVIDUAL The document is attached to an individual entity.
JSON - Company Document
{
"applicationId": "APP-2026052200001",
"declaredId": "COM-2026052200001",
"entityType": "COMPANY",
"documentId": "DOC-2026052200001",
"updatedAt": "2026-05-22T11:00:00Z"
}JSON - Individual Document
{
"applicationId": "APP-2026052200001",
"declaredId": "IND-2026052200001",
"entityType": "INDIVIDUAL",
"documentId": "DOC-2026052200002",
"updatedAt": "2026-05-22T11:05:00Z"
}Parameter Description error object The error details.
Field Description type string Error code or type.message string Human-readable error message.
Value Description HTTP Status Code parameter_error Parameter validation failed (e.g., missing or invalid parameter). 400 Bad Request iam_failed Authentication or authorization failed. 401 Unauthorized error Internal server error or unknown error. 500 Internal Server Error not_found Requested resource not found. 404 Not Found service_busy The service is busy or rate limited. 429 Too Many Requests
JSON
{
"error": {
"type": "parameter_error",
"message": "documentId cannot be empty"
}
}JSON
{
"error": {
"type": "not_found",
"message": "Document not found"
}
} 