# Upload proof of address (/reference/post-uploads-proof-of-address)

Multipart upload of a PDF, JPEG, or PNG up to 4.5 MB for a Draft owned by your integration. The declared MIME type must match the file bytes. The response carries an opaque `id` to attach through PATCH as `proofOfAddressUploadId`; no URL is returned.

Full request/response schemas for this operation: https://docs.eprospera.com/openapi.yaml

Multipart upload of a PDF, JPEG, or PNG up to 4.5 MB for a Draft owned by your integration. The declared MIME type must match the file bytes. The response carries an opaque `id` to attach through PATCH as `proofOfAddressUploadId`; no URL is returned.