Upload attachment - 0 Finance Docs

POST `/api/upload`

Uploads a file and returns a public blob URL. Requires a signed-in user session.

transactionType

string

Optional type for attachments (e.g. offramp).

transactionId

string

Optional transaction ID for attachment scoping.

Request

curl -X POST "https://0.finance/api/upload?transactionType=offramp&transactionId=uuid" \
  -H "Cookie: your-session-cookie" \
  -F "file=@invoice.pdf"

Response

{
  "url": "https://.../invoice.pdf",
  "filename": "invoice.pdf",
  "contentType": "application/pdf",
  "fileSize": 83921
}

File size limit is 10MB. Allowed types: PDF, images, and text files.

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​POST /api/upload

​Request

​Response

POST `/api/upload`

Request

Response