VALIDATION_ERROR
400invalid_requestOne or more request fields are invalid.
Cause
The request body or query parameters failed validation. The per-field problems are in the errors[] array.
How to fix it
Inspect errors[] — each item names the offending snake_case param, a machine code, and a message — then resend a corrected request.
Example response
400 VALIDATION_ERROR
JSON
{
"error_code": "VALIDATION_ERROR",
"error_type": "invalid_request",
"error_message": "One or more request fields are invalid.",
"hint": "Inspect errors[] — each item names the offending snake_case param, a machine code, and a message — then resend a corrected request.",
"docs_url": "https://docs.billerapi.com/errors/VALIDATION_ERROR",
"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/VALIDATION_ERROR
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