Telesign Communications Platform
Telesign Communications Platform provides APIs for customer communications, verification, and identity insights.
What Telesign Communications Platform is
Telesign Communications Platform provides APIs for customer communications, verification, and identity insights. Its Messaging API supports SMS, MMS, email, RCS, WhatsApp, and Viber through one interface, with routing that can redirect a failed message through another carrier route or channel. Telesign says its SMS API reaches more than 230 countries and territories and supports over 80 languages. Customers can purchase or lease phone numbers with area and country codes matched to geographic locations. Developer resources include code samples and SDKs for C#, PHP, curl, Node.js, Python, Java, and Ruby. A free trial account requires no credit card and includes $5 in credit that does not expire. The REST API uses TLS 1.2/1.3 and signed requests. Telesign states that it is ISO 27001 certified and HIPAA compliant, and that support is available around the clock to current customers. Pricing is available on request. The Messaging API is not available for purchase or use in mainland China.
Good
- Messaging API supports six listed channels.
- Failed messages can be redirected through another route or channel.
- Trial includes $5 credit with no expiration.
- REST API uses TLS 1.2/1.3 and signed requests.
- SDK resources cover several programming languages.
Watch out
- Pricing is available on request.
- Messaging API is unavailable in mainland China.
- Support is stated for current customers.
Who it suits
It suits developers and organizations that need APIs for messaging, verification, or identity insights. Its listed channels, SDKs, and phone-number options may fit teams building communications into their services.
Verdict
Telesign offers communications APIs with multiple messaging channels, developer resources, and a free trial account. Check the mainland China availability limit and request pricing to assess fit.
Plans and prices
From Telesign Communications Platform's own pricing page, checked 30 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Telesign Communications Platform | Priced on request | Pricing is not stated on the opened pages; contact sales |
The facts
Each one read from Telesign Communications Platform's own pages, with the date it was checked.
What it does
- Availability limit
- The Messaging API page says the feature is not available for purchase or use in mainland China.checked 30 Sep 2026
- Compliance
- Telesign's security page says the company is ISO 27001 certified and HIPAA compliant.checked 30 Sep 2026
- Developer tools
- The Developer Center lists code samples and SDKs for C#, PHP, curl, Node.js, Python, Java, and Ruby.checked 30 Sep 2026
- Global SMS reach
- Telesign says its SMS API reaches more than 230 countries and territories and 80+ languages.checked 30 Sep 2026
- Integrations
- Telesign describes integration partners as organizations that integrate its data and communications capabilities into their offerings.checked 30 Sep 2026
- Message delivery
- The Messaging API uses intelligent routing and can redirect failed messages through another carrier route or channel.checked 30 Sep 2026
- Messaging channels
- Its Messaging API supports SMS, MMS, email, RCS, WhatsApp, and Viber through one API.checked 30 Sep 2026
- Phone numbers
- Customers can purchase or lease phone numbers with geographically accurate area and country codes.checked 30 Sep 2026
- Security
- Telesign's security page says its REST API uses TLS 1.2/1.3 and authenticates each call with signed requests.checked 30 Sep 2026
- Support
- Telesign says its support team is available 24/7 to current customers.checked 30 Sep 2026
- What it does
- Telesign provides APIs for customer communications, verification, and identity insights.checked 30 Sep 2026
The company
- Founded
- 2005checked 28 Sep 2026
- Headquarters
- Los Angeles, California, United Stateschecked 28 Sep 2026
Money
- Trial account
- The Developer Center says a trial account is free, requires no credit card, includes $5 in credit, and the credit never expires.checked 30 Sep 2026
Alternatives to Telesign Communications Platform
- 1

Twilio Segment
Free planAndroidiOSWebAPI8.2From $120 a month - 2

8x8 Communications APIs
Free planAndroidiOSWebAPI7.9From $99 a month - 3
Webex App
Free planAndroidiOSWebmacOS7.8Free plan - 4

Gupshup
Free planWebAPI7.2Free plan - 5
Exotel Contact Center
WebAPILinuxmacOS7.0 - 6

Infobip Voice API
Free planAndroidiOSWebAPI6.9Free plan
