Global, recognizable custom alphanumeric sender IDs for 1-way SMS, sent via the Telnyx Messaging API.
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Improve trust with highly recognizable and customizable Alphanumeric Sender IDs. Use almost any combination of letters and characters to promote your brand around the world at high volume. Get all of this via the award-winning Telnyx Messaging API.
Send SMS with Alphanumeric Sender ID via Telnyx so that your customers receive messages from a memorable, global brand at high volume.
Improve trust and create a consistent customer experience with sender IDs that match your brand.
Telnyx supports all major country codes for alphanumeric SMS. Our built-for-scale platform and expert team can help
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Our code is your code.
Ensure brand consistency by sending to customers worldwide from your own tailored sender IDs to over 200 country codes.
Alphanumeric sender IDs allow for tens of thousands of messages per minute, so scaling isn’t an issue.
Protect your security and enable signature generation to verify Telnyx webhook requests.
If a SMS that was sent via the Messaging API is too long for its destination, the Telnyx messaging API will automatically separate it into two messages.
We support any character set and language type. Our system automatically chooses the most compact encoding possible, minimizing cost per send.
Among SMS API providers, Telnyx consistently wins awards for its results and ease-of-use. We take care of the details as you scale, so you don’t have to.
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curl -X POST \
--header "Content-Type: application/json" \
--header "Authorization: Bearer YOUR_API_KEY" \
--data '{
"from": "Telnyx",
"to": "+13115552367",
"text": "Hello, world!",
"messaging_profile_id": "YOUR_MESSAGING_PROFILE_ID"
}' \
https://api.telnyx.com/v2/messages
Read our developer documentation on how to send via our Messaging API with an alphanumeric sender ID.
Read our support article on which country codes support alphanumeric sender IDs and learn whether or not registration is required.
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