What is Tetrax CPaaS?

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.

What is the call latency with Tetrax?

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

How does the Call API work for OTP delivery?

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.

Is Tetrax SMS DLT compliant?

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.

What pricing models does Tetrax offer?

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.

How does Tetrax compare to other CPaaS platforms?

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.

Does Tetrax offer monthly plans or a free trial?

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, SMS and TTS right away, then you top up your prepaid wallet and pay one flat rate per use. No credit card required to start.

What SDKs does Tetrax offer?

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.

How do I send bulk SMS with Tetrax?

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.

How do I get started with Tetrax?

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.

Developer DocsAvailable

Documentation

Everything you need to integrate Tetrax APIs and SDKs into your applications. Browse guides, API references, compliance documentation, and quickstart tutorials.

DLT Registration DLT Templates Local & International DLT TTS API Reference API Console Pricing Support

Complete guides for India DLT registration, template management, and TRAI compliance for enterprise SMS messaging.

SMS Compliance & DLT

Available

India DLT Registration

Full guide to DLT registration on TRAI-approved platforms.

Local & International DLT

DLT registration paths for domestic and international senders.

DLT Templates Guide

Template types, format requirements, and registration best practices.

Deliver OTP codes via automated voice calls. Send OTPs to any phone number with digit-by-digit clarity — no app required.

Call API

Available

Call API Reference

Complete API reference with endpoints, authentication, and examples.

Convert any text into natural-sounding audio with neural TTS. Six voice presets, MP3/PCM output, and per-character wallet billing.

TTS API

Available

TTS API Reference

Complete reference — synthesis endpoints, voices, authentication, pricing, and examples.

Build real-time audio rooms with programmable signaling, participant management, and metered billing.

Voice API

Coming Soon

Voice API Reference

REST API endpoints for room creation, token generation, and session management.

Soon

Client SDK (JS/React)

Integrate voice rooms into your web and mobile applications.

Soon

Quickstart Guide

Get a voice room running in under 5 minutes with our SDK.

Soon

Embed HD video conferencing with screen sharing, adaptive bitrate, and real-time participant tracking.

Video API

Coming Soon

Video API Reference

REST API endpoints for video room management and media configuration.

Soon

Client SDK (JS/React)

Embed HD video into your React, Vue, or vanilla JS apps.

Soon

Quickstart Guide

Launch your first video call with just a few lines of code.

Soon

Client libraries, CLI tools, webhook integrations, and API playground for rapid development.

SDKs & Developer Tools

Coming Soon

JavaScript SDK

Browser and Node.js client library for all Tetrax APIs.

Soon

Webhooks Guide

Receive real-time events for room activity, call status, and SMS delivery.

Soon

API Playground

Try out Tetrax APIs interactively from your browser.

Soon

Manage API keys, secure your applications, understand usage metering, and configure billing settings.

Billing & Authentication

Coming Soon

Authentication & API Keys

How to generate, rotate, and secure your API keys.

Soon

Usage & Metered Billing

Understand how usage is tracked, billed, and reported.

Soon

Wallet & Payments

Manage prepaid wallet balance, view invoices, and configure auto-refill.

Soon

Ready to start building?

Free account · instant API credentials · no credit card

Was this page helpful?