BILLER_UNSUPPORTED
422invalid_requestThis biller cannot be automated.
Cause
The biller uses a sign-in method (e.g. certain SSO/IdP flows) the agent cannot drive; selection is refused pre-credential.
How to fix it
Choose a different biller or connection method.
Example response
422 BILLER_UNSUPPORTED
JSON
{
"error_code": "BILLER_UNSUPPORTED",
"error_type": "invalid_request",
"error_message": "This biller cannot be automated.",
"hint": "Choose a different biller or connection method.",
"docs_url": "https://docs.billerapi.com/errors/BILLER_UNSUPPORTED",
"request_id": "d94f5e2a-8c3b-4f1e-9a7d-6b2c1e0f8a34"
}Related
- Error handling — the error envelope shape and how to parse it
- Error code reference — every stable error code
Canonical docs URL: https://docs.billerapi.com/errors/BILLER_UNSUPPORTED
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