Question 1

What is Tetrax CPaaS?

Accepted Answer

Tetrax is a Communications Platform as a Service (CPaaS) that provides developers with APIs and SDKs to integrate real-time voice, video, and SMS messaging into their applications. It is built as a modern alternative to global CPaaS platforms for the Indian market.

Question 2

What is the call latency with Tetrax?

Accepted Answer

Tetrax consistently achieves sub-100ms round-trip audio delivery under typical network conditions for real-time voice communication, enabling natural two-way conversations.

Question 3

How does the Call API work for OTP delivery?

Accepted Answer

The Call API delivers OTP codes via automated voice calls. Developers send a single POST request with the recipient phone number and OTP. Tetrax places an outbound call and reads each digit individually for maximum clarity. No app installation or data connection is needed — works on any phone including landlines.

Question 4

Is Tetrax SMS DLT compliant?

Accepted Answer

Yes, Tetrax SMS fully supports DLT compliance required by TRAI for Indian telecom operators. We handle secure hash generation, TLV headers, and PE-TM mapping for all SMS traffic. We provide tools to register sender IDs and templates on DLT platforms.

Question 5

What pricing models does Tetrax offer?

Accepted Answer

Tetrax uses prepaid wallet billing — no subscriptions and no monthly fees. New accounts get ₹10 free wallet credit. Top up your wallet (minimum ₹10) and pay per use: Voice ₹0.06/min, Video ₹0.03/min, OTP calls ₹0.25/call, and SMS ₹0.19/segment. No credit card required.

Question 6

How does Tetrax compare to other CPaaS platforms?

Accepted Answer

Tetrax is built as a modern alternative to global CPaaS platforms specifically for the Indian market. We offer programmable communication APIs with DLT compliance, local SMS gateway integration, competitive pricing in INR, and dedicated support for Indian developers.

Question 7

Does Tetrax offer monthly plans or a free trial?

Accepted Answer

Tetrax has no subscription plans and no monthly fees — it is pay-as-you-go only. New developer accounts get welcome wallet credit to try Voice, Video, Call API and SMS right away, then you top up your prepaid wallet and pay one flat rate per use. No credit card required to start.

Question 8

What SDKs does Tetrax offer?

Accepted Answer

Tetrax offers SDKs for JavaScript/TypeScript, React Native, and plans for iOS, Android, Python, and Node.js. Our SDKs support real-time voice and video communication with WebRTC-based media streaming and WebSocket-based signaling.

Question 9

How do I send bulk SMS with Tetrax?

Accepted Answer

Send DLT-compliant transactional and promotional SMS through Tetrax's REST API. Register your sender ID and content templates, then use our SMS API with real-time delivery reports, webhook callbacks, and high-throughput bulk messaging.

Question 10

How do I get started with Tetrax?

Accepted Answer

Sign up for a free account at tetrax.in, create an application from the dashboard, and copy your API key. Then integrate our SDKs or call our REST APIs — you can be sending your first message or making your first call in under 5 minutes.