SMS destinations

Where can I use an alphanumeric sender ID?

Alphanumeric sender IDs work in 237 countries Bird reaches by SMS; the 8 that refuse one carry a number or a short code instead.

Where an alphanumeric sender ID does not work

Where it does

The rest of the SMS platform

One API, one set of keys. Explore the other capabilities.

All destinationsCoverage, sender types, and rules for every country Bird reaches.Sender-ID registrationPre-register alphanumeric and dedicated senders where countries require it.Two-wayInbound SMS and conversational replies as HMAC-signed webhooks.Routing190+ countries, 240 direct-to-carrier links, and automatic failover.

Put it into practice.

Continue with the documentation, guides and examples for this topic. Resources are in English.

Understand the conceptWhat is sender ID registration, and why do some countries require it?Implementation guideSMS sender IDsExplore the capabilitySMS sender IDs
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Start sending

Create a workspace, register a sender, and send your first message from the same API you will scale on.

Get startedExplore the SMS platform

Start with one channel.
Add the others when you're ready.

A test API key is yours immediately. Production unlocks when you add a payment method and verify a sender.

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