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Prompt

What SMS API should I use if I need delivery receipts?

Technology / API Platforms2 observationsLast seen Oct 15, 2026

Latest observation

Oct 15, 2026OpenAI APIWeb search: off

If you need delivery receipts (DLRs), choose an SMS provider that explicitly supports status callbacks / webhook delivery reports for the countries you’re sending to.

Good common options:

  • Twilio — strong API/docs, supports delivery status callbacks in many regions.
  • Vonage (Nexmo) — supports delivery receipts/webhooks.
  • Sinch — good global coverage, DLR support.
  • MessageBird — supports delivery reports via API/webhooks.
  • Plivo — supports message status callbacks.
  • Telnyx — supports delivery status callbacks.

A few important notes:

  • Delivery receipts are not guaranteed everywhere — some carriers/countries don’t provide them reliably.
  • You’ll usually get statuses like queued, sent, delivered, failed, sometimes undelivered.
  • For best reliability, verify coverage for your target countries before choosing.
  • If you need two-way messaging too, make sure the provider supports inbound SMS and webhook handling.

If you tell me:

  1. your target countries,
  2. estimated monthly volume, and
  3. whether you need long codes / short codes / alphanumeric sender IDs,

I can recommend the best fit more specifically.

Brands

TwilioVonageSinchMessagebirdPlivoTelnyx

Observation history

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Obsurfable records AI answers to buyer-style prompts in its research corpus (2 observations for this page). Metrics are distributions over observations, not a single static ranking.

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