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

Telvanta
WEBHOOKS & SDKS

Extend Telvanta.ai
Build without limits.

Use webhooks for real-time events and SDKs to build powerful experiences in your apps.

Webhook payload panel with a message.received JSON example, tabs for the Node.js and Python SDKs, four delivery benefits, and an Available SDKs strip listing Node.js, Python, Java, .NET, PHP, Go, React Native and Flutter

Real-time & Reliable

Instant event delivery with high reliability.

Easy to Implement

Simple setup with code samples & SDKs.

Secure & Scalable

Enterprise-grade security and global scale.

Developer First

Well documented and easy to use.

Built for Performance

Fast, lightweight SDKs optimized for speed.

Need help building?

Our developer support team is here to help you integrate Telvanta.ai smoothly.

Contact Support

Webhooks Overview

Webhooks notify your application about important events in real-time. Subscribe to the events you care about and get instant updates.

View Webhook Docs
  • 40+Event Types
  • Real-timeDelivery
  • 99.9%Uptime SLA
  • Auto RetryOn Failure
  • GlobalInfrastructure

Popular Webhook Events

View all events
  • message.received

    Triggered when a new message is received.

    POST /webhooks/message.received
  • call.completed

    Triggered when a call is completed.

    POST /webhooks/call.completed
  • ivr.completed

    Triggered when an IVR flow is completed.

    POST /webhooks/ivr.completed
  • campaign.status

    Triggered on campaign status updates.

    POST /webhooks/campaign.status
  • message.delivered

    Triggered when a message is delivered.

    POST /webhooks/message.delivered
  • message.failed

    Triggered when a message fails to send.

    POST /webhooks/message.failed
  • contact.created

    Triggered when a new contact is added.

    POST /webhooks/contact.created
  • agent.handoff

    Triggered when an AI agent hands off.

    POST /webhooks/agent.handoff

Quick Start

  1. 1Choose WebhookSelect the events you want to subscribe.
  2. 2Configure EndpointSet your webhook URL and security.
  3. 3Test & SubscribeTest the connection and start receiving events.
View Quickstart Guide

Resources

  • Webhook Best Practices
  • Retry & Error Handling
  • Webhook Security
  • API Changelog
  • Postman Collection
View all resources

Need a Custom Build?

We can help you build custom integrations and workflows using Telvanta.ai APIs.

Build more. Deliver better.

Leverage real-time events and powerful SDKs to create exceptional experiences.

  • No-Code AlternativeUse integrations for quick setup.
  • Community SupportJoin our developer community.
  • Sandbox EnvironmentTest your integration in a safe environment.