Now serving all 77 districts of Nepal — IVR, Bulk SMS & WhatsApp API on one platform. Get started at Rs. 1,499

Telvanta
FOR IT & DIGITAL TEAMS

Developer Tools that
help you
build more,
faster.

Powerful APIs, SDKs, libraries and developer-friendly resources to build, integrate and automate on the Telvanta.ai platform with ease.

Explore Docs
A dark code panel tabbed curl, JavaScript, Python, PHP and Java showing a send-SMS request, over chips for REST APIs, real-time webhooks, secure by design and 99.99% uptime.

Why developers love Telvanta.ai

Easy to IntegrateSimple, consistent APIs and SDKs that get you started in minutes.
Powerful & FlexibleBuild custom workflows and solutions that scale.
Real-time & ReliableWebhooks and events to power real-time experiences.
Secure by DefaultEnterprise-grade security, OAuth 2.0 and IP restrictions.
Always ImprovingNew features, endpoints and SDKs—regularly.

Trusted by developers worldwide

10K+Developers99.99%API Uptime
200M+API Calls / Month150+Countries
50+SDK & Libraries24/7Developer Support

Telvanta.ai APIs are powerful, well-documented and incredibly easy to integrate. We built our entire communication layer on top of it.

Sandesh KarkiLead Developer, SoftTech Nepal

Everything you need to build on Telvanta.ai

REST APIsClean, versioned and well-documented APIs for all communication channels.View API Docs
WebhooksReal-time event notifications for delivery reports, replied messages, call events and more.View Webhook Docs
SDKs & LibrariesOfficial SDKs and libraries for popular programming languages.See SDKs
Postman CollectionReady-to-use Postman collections to test and integrate faster.Download Now
CLI ToolsCommand line tools to manage applications, numbers, and campaigns.Learn More

Build anything. Integrate everything.

Send SMS & Voice
WhatsApp Automation
Voice Calls & IVR
AI Voice & Chat Agents
Campaigns & Broadcasts
Inbox & Customer Conversations
Reports & Analytics

How it works

Get Access

Create your account and generate your API keys instantly.

Explore & Test

Use our docs, Postman collection and sandbox to test APIs.

Integrate

Integrate APIs or SDKs into your application in just a few lines of code.

Go Live

Move to production with confidence. We handle the heavy lifting.

Monitor & Optimize

Use analytics and webhooks to monitor performance and optimize your app.

Developer experience designed for you

Comprehensive DocsClear guides, tutorials and code examples.
Sandbox EnvironmentTest APIs safely without affecting production.
Rate Limits & QuotasFair usage with scalable limits for your needs.
Versioning & ChangelogStay up-to-date with backward compatible APIs.
Developer SupportExpert support when you need it.

Supported languages & platforms

JaJavaScript
PyPython
PHPHP
JaJava
.N.NET
GoGo
NoNode.js
+ More

Start building with Telvanta.ai today

Get your API keys, explore our docs, and start building powerful communication experiences.