INVOICE_EMAIL_ALREADY_CLAIMED
409invalid_requestInvoice email delivery is already claimed.
Cause
An earlier attempt claimed delivery and then died in an ambiguous state (the send may or may not have reached the customer). Billing stops rather than risk a duplicate customer email.
How to fix it
Check whether the customer received the invoice, then have support clear the claim.
Example response
409 INVOICE_EMAIL_ALREADY_CLAIMED
JSON
{
"error_code": "INVOICE_EMAIL_ALREADY_CLAIMED",
"error_type": "invalid_request",
"error_message": "Invoice email delivery is already claimed.",
"hint": "Check whether the customer received the invoice, then have support clear the claim.",
"docs_url": "https://docs.billerapi.com/errors/INVOICE_EMAIL_ALREADY_CLAIMED",
"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/INVOICE_EMAIL_ALREADY_CLAIMED
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