WhatsApp Business API

Inbound and outbound WhatsApp calls and messages to 2 billion users through the same Telnyx number and connection you already use. No new integrations needed.

WhatsApp Business API
WHY TELNYX

Build WhatsApp experiences easily

  • Built for AI

    Programmable calling and messaging that works with AI agents. Automate conversations, route intelligently on WhatsApp. Same logic, new channel.

  • One number, every channel

    PSTN, SMS, WhatsApp messaging, and WhatsApp calls on a single Telnyx number. One stack, one set of analytics.

  • Global reach

    Local numbers in 140+ countries with telephony POPs worldwide. Meet customers where they are, on the channel they already use. 90%+ open rates on WhatsApp.

FEATURES

Everything you need for WhatsApp Business

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    Embedded Signup

    Start onboarding from Mission Control. Complete Meta business verification and link your WhatsApp Business Account without switching tools.

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    Template Management

    Create and manage message templates for authentication, utility, marketing, and service use cases. Submit for Meta approval directly from the portal.

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    Two-Way Messaging

    Reply with free-form messages during the 24-hour customer conversation window. Handle real-time support, order updates, and appointment reminders.

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    Inbound calls

    Any WhatsApp user can call your Telnyx number from inside the app. Routes to your existing SIP, Voice API, or TeXML connection — no additional setup.

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    Outbound calls

    Initiate to any WhatsApp number via the Telnyx API using a WhatsApp SIP domain. Same dial mechanics across SIP, Voice API, and TeXML.

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    Mission Control + API

    Toggle calling per number, manage your WhatsApp Business Account, view real-time analytics — from the portal or programmatically.

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    Zero-config connections

    WhatsApp calling connections are created automatically when you toggle calling on. No connection setup, no routing rules, no hidden complexity.

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    Pay as you go

    Per-minute pricing on business-initiated calls. No monthly subscription. Telnyx platform cost and Meta fees billed on a single invoice.

HOW IT WORKS

From zero to live in three steps.

  1. 1

    Connect your WABA

    In Mission Control, navigate to WhatsApp → Connect. Select your WhatsApp Business Account through Meta's embedded signup.

  2. 2

    Verify your number

    Pick an active Telnyx number. Meta sends a verification code to confirm ownership. Enter it.

  3. 3

    Toggle calling on

    Open the number's Calling tab. Flip WhatsApp Calling to enabled. You're live.

    For detailed setup instructions, see our WhatsApp Calling setup guide.

  4. 4

    Start messaging

    Create your first template or send a free-form message in the 24-hour window. You're live.

RESOURCES

Get started quickly

Everything you need to add WhatsApp messaging and calling to your existing Telnyx setup.

  • Article

    WhatsApp Messaging Docs

    Set up messaging, templates, and webhooks on your Telnyx number.

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    WhatsApp Calling Docs

    Add voice calls on the same number alongside messaging.

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    Voice API Docs

    Programmable call control for Telnyx numbers, including WhatsApp Calling connections.

Simple, transparent pricing

WhatsApp messaging: $0.0035 per message + Meta passthrough WhatsApp calling: $0.0025 per call + calling rates based on destination country.

USE CASES

How teams use WhatsApp Business API

Your customers are already on WhatsApp.

Start messaging on the channel they already use. Same number, same API, same dashboard. Live in three steps.