Upload a Sender file
Uploads one KYC document or order-level proof-of-transfer document. Returns a file_id to reference from a later KYC submission or order.
A file is always scoped to the Sender it was uploaded against — it can’t be referenced by a KYC submission or order for a different Sender.
Authorizations
API key for authentication
ES256 JWT signed by the private key registered to the API key above. Claims: sub (=API key), uri, nbf, iat, exp, and bodyHash (HMAC-SHA512 of uri + rawBody + nbf using a shared secret, base64).
Path Parameters
ID of the Sender
Body
Response
File uploaded
Opaque partner-issued id — store verbatim, pass back exactly as received.
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