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daily_quota_exceeded

Your plan's daily send allowance is used up. Nothing was sent and nothing was charged.

Status: 429, with a Retry-After header giving the seconds until the next reset. The allowance resets at midnight UTC.

{
  "status": 429,
  "type": "daily_quota_exceeded",
  "message": "Daily send quota exceeded. Upgrade your plan or retry after the daily reset.",
  "request_id": "req_01J8K2P...",
  "doc_url": "https://docs.epostix.com/errors/daily_quota_exceeded"
}

Why you got this​

  • You sent your daily allowance for this workspace.
  • A backfill or migration consumed the day's budget in one burst.
  • Recipients are counted individually, so one message with fifty recipients in to, cc and bcc counts as fifty.

Test sends do not count. A tix_test_ key and the sandbox addresses never touch the allowance.

How to fix it​

For a short overshoot, wait out Retry-After and continue. For a genuine increase in volume, upgrade the plan.

If the cause was a one-off bulk job, schedule the remainder across days rather than retrying in a loop, and use test mode to rehearse bulk jobs without spending anything.

Is it safe to retry​

Yes, after Retry-After has elapsed. The request was rejected before anything was created, so the retry cannot produce a duplicate.

Do not retry in a tight loop before then. It cannot succeed and it consumes your request rate allowance as well.