CONFIG_MISSING
500api_errorEmail delivery is not configured in this environment.
Cause
The mail provider API key or from-address is absent, so no message can be sent at all.
How to fix it
This is a platform misconfiguration — contact support with the request_id.
Example response
500 CONFIG_MISSING
JSON
{
"error_code": "CONFIG_MISSING",
"error_type": "api_error",
"error_message": "Email delivery is not configured in this environment.",
"hint": "This is a platform misconfiguration — contact support with the request_id.",
"docs_url": "https://docs.billerapi.com/errors/CONFIG_MISSING",
"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/CONFIG_MISSING
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