Upload Onboarding Document

POST 
/api/partner/v1/onboarding/:ref/documents

Uploads a supporting document to the onboarding draft (e.g. power of attorney, identity document, or a regulated-activity document). Supply the file either as a multipart file part or as base64 (content_base64 + filename). Provide either a free-form document_type + subject, or a document_id referencing a required regulated-activity document. Accepted formats: pdf, png, jpg, jpeg, tiff; maximum size 5120 KB (5 MB). The response includes the created document_id, which you can attach to a proxy-representative invitation. Requires scope onboarding:write.

Request

Responses

200

Document stored. Returns the draft reference plus the created document id.

401

Missing, invalid or revoked partner key.

403

Partner key lacks the onboarding:write scope.

404

Unknown ref within your channels.

409

Account already active, or the regulated-activity document was already provided.

422

No valid file supplied, unsupported format or size, invalid base64, or invalid document classification.