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Trigger a flow or send content to a contact after the 24h messaging window

  • Jun 24, 2025 2:30 AM UTC
  • 3 comments
  • 159 views

FaisalRathor

Quick question:
Is there any way to trigger a flow or send content to a contact after the 24h messaging window has closed?
Looking for possible options like:

- One-time notification (OTN)?
- SMS or Email fallback?
- Ads JSON or sponsored message trick?
- External triggers via API or Zapier?

Would love to hear what’s working for you all
Thanks in advance!

Best answer by sajithmohan

Hi ​@FaisalRathor, The possibilities for sending messages/ flows after 24 hours window depends on the channels:

  • Messenger: You can send messages after 24 hours window if they have opted for notification list.
  • Instagram: Unfortunately there is no way to send messages after 24 hours window; you have use other strategies to have them opt-in again and keep in the 24 hours window
  • WhatsApp: You can send message templates (paid) after the 24 hours window.

Hope this helps.

Please feel free to let me know if you have any further question,

Sajith

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3 replies

sajithmohan
  • Smooth talker
  • Answer
  • Jun 24, 2025 5:16 AM UTC

Hi ​@FaisalRathor, The possibilities for sending messages/ flows after 24 hours window depends on the channels:

  • Messenger: You can send messages after 24 hours window if they have opted for notification list.
  • Instagram: Unfortunately there is no way to send messages after 24 hours window; you have use other strategies to have them opt-in again and keep in the 24 hours window
  • WhatsApp: You can send message templates (paid) after the 24 hours window.

Hope this helps.

Please feel free to let me know if you have any further question,

Sajith


FaisalRathor
  • Author
  • Up-and-comer
  • Jun 26, 2025 12:45 AM UTC

Hi ​@sajithmohan, If I send the OTN follow-up flow via the API, do I need to provide any special key or token, or just the subscriber ID is enough?

Thanks in advance


sajithmohan
  • Smooth talker
  • Jun 27, 2025 8:10 AM UTC

Subscriber ID might be sufficient.