Error Codes

All errors return a standard HTTP status code with a JSON body:

{ "detail": "message" }

Code	Meaning
`400`	Bad Request — missing/malformed body, bad file type, or missing `email` column.
`401`	Unauthorized — invalid or missing API key / token.
`403`	Forbidden — email not verified, no subscription, expired plan, or key revoked.
`404`	Not Found — job or resource does not exist.
`422`	Unprocessable — validation error on the request payload.
`429`	Too Many Requests — monthly quota reached or public daily limit hit.
`500`	Server Error — something went wrong on our side.