Ironfang Finance API problem type

`exemption_limit_reached`

Agreed limit reached. HTTP 429.

What it means

The account's agreed monthly limit for this meter is reached. Nothing was accepted or charged.

What to do

Contact support to review the agreed limit, quoting the request_id.

What the response carries

type: https://ironfang.com/problems/exemption_limit_reached, this page.
status: Always 429 for this code.
code: exemption_limit_reached. Stable: branch on this, not on the wording of title or detail.
detail: What happened this time, safe to show to a person. It never carries invoice content.
request_id: The same value as the X-Ironfang-Request-ID header. Quote it to support.
retry_after_seconds: Never present for this code.
outcome: Absent. This code is not a statement about any document.

Problems follow RFC 9457 and are served as application/problem+json. A validation finding is never a Problem: an invalid invoice is a successful response that lists its findings. See every problem type, the Finance guide and the OpenAPI contract.