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Public API endpoints provided by FastBill Next at https://next-api.fastbill.com
Authentication is handled by http basic authentication using your clientId as the username and a FastBill user's API key as the password:
Authentication: Basic base64(clientId:apiKey)
If you are a FastBill Next partner and do not have a clientId yet, please contact next-support@fastbill.com. The API key can be found after logging in to the FastBill Next account when navigating to "Settings" -> "Interfaces" -> "API-Key".
For more information about http basic authentication see the spec: https://datatracker.ietf.org/doc/html/rfc7617
| Security Scheme Type | HTTP |
|---|---|
| HTTP Authorization Scheme | basic |
Upload a single pdf, jpg or png file smaller than 10MB. Images have a minimum width and height of 100px.
| FastBill-Document-Origin | string Example: Amazon The party which originally created the document |
| file | string <binary> File contents as binary data |
{- "id": 112233
}