- Monthly sends recorded for billing; identity/org daily counts are available in the app.
- Autumn usage metrics (e.g.,
emails_processed) are tracked server-side with idempotency.
- Per‑minute per‑key limits return
429withRetry-Afterseconds.
- Internal usage endpoint:
/api/autumn/usage(server‑side; for dashboards). - Public API: Follow
Rate limitsandErrorsdocs.
- Set conservative per‑key limits; monitor daily and monthly trends.
- Use idempotency when retrying to avoid double counting.
