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

Telvanta
API PLATFORM

Build custom
communication experiences.

Power your products and workflows with Telvanta.ai's robust APIs. Integrate voice, messaging, AI and analytics into any application.

  • RESTful APIs for all channels
  • Real-time communication at scale
  • Secure, reliable and developer friendly
  • Comprehensive documentation
  • Sandbox environment for testing
  • SDKs and code examples
  • Enterprise-grade security
An API console showing total calls, success rate and response time, a requests-over-time chart, the channel mix and a live table of recent endpoint activity.
No credit card required
Developer friendly
99.9% API uptime

Powerful APIs. Endless possibilities.

Global Scale

Built for high volume and reliability.

Secure by Design

OAuth 2.0, IP whitelisting and encryption.

Real-time

Instant delivery and webhook callbacks.

Flexible & Scalable

Grow your business without limits.

Developer First

Well documented with SDKs and examples.

APIs for every communication channel

SMS API

Send and receive SMS at scale worldwide.

Voice API

Make, receive and control voice calls programmatically.

WhatsApp API

Engage customers on WhatsApp at scale.

Email API

Send transactional and marketing emails.

IVR & Call Control API

Build intelligent IVR and call workflows.

AI & Bots API

Integrate AI agents and automation in minutes.

Built for developers, loved by businesses

RESTful JSON APIs
Comprehensive documentation
Interactive API Explorer
Sandbox for safe testing
Production-ready SDKs
Dedicated developer support

Send SMS

POST /v1/messages/sendhttps://api.telvanta.ai/v1/messages/send
Request bodyto, message, sender_id and an optional schedule_time.
200 OKReturns status, message_id and your remaining balance.
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SDKs & Libraries

Node.jsPythonPHPJava.NET
View all SDKs

Use cases

Build Custom CRM

Integrate communications inside your CRM.

Automate Workflows

Trigger actions and update systems in real-time.

Customer Engagement

Deliver personalized experiences across channels.

Alerts & Notifications

Send instant alerts and transactional updates.

Analytics & Reporting

Stream events to your data warehouse or BI tools.

Developer resources

API DocumentationDetailed guides and references.
Code ExamplesReady to use code snippets.
API ChangelogTrack updates and new releases.
Support PortalGet help from our developer team.
Visit Developer Hub

Enterprise grade security

OAuth 2.0 Authentication
IP Whitelisting
TLS 1.2+ Encryption
SOC 2 Compliant
99.9% Uptime

Seamless integrations

SalesforceHubSpotZoho CRMFreshdeskPipedriveGoogle AnalyticsMicrosoft TeamsSlack+ More

Start building amazingcommunication experiences.

Get API access in minutes and start integrating the power of Telvanta.ai.