INVALID_WEBHOOK_OUTCOME_ID
400invalid_requestThe delivery-outcome identity is missing or malformed.
Cause
The outcome identity is the idempotency handle for the delivery record, so it cannot be blank.
How to fix it
Send 1-255 printable ASCII characters, unique per delivery attempt.
Example response
400 INVALID_WEBHOOK_OUTCOME_ID
JSON
{
"error_code": "INVALID_WEBHOOK_OUTCOME_ID",
"error_type": "invalid_request",
"error_message": "The delivery-outcome identity is missing or malformed.",
"hint": "Send 1-255 printable ASCII characters, unique per delivery attempt.",
"docs_url": "https://docs.billerapi.com/errors/INVALID_WEBHOOK_OUTCOME_ID",
"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/INVALID_WEBHOOK_OUTCOME_ID
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