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Glossary · Published 2026-09-29 · AgentiSend team

Scheduled send

Scheduled send: A message accepted now and delivered at a later time you set. Counted at accept.

scheduled_at accepts the message now and sends it at that time. The furthest time is 30 days out. The recipients count against the budget period and the plan inclusion at accept, not at send.

Cancelling it while it is still scheduled gives that count back. A past time within a short tolerance sends now. Older than that, the call is refused. Use a new idempotency key when the scheduled message is a different send.

Related terms

  • Budget period — The window a key's send budget refills on: hourly, daily or monthly.
  • Idempotency key — The caller-chosen key that makes a retry of the same request return the first result.