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.

FEATURES

Everything you need for WhatsApp Business

Embedded Signup

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

Template Management

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

Two-Way Messaging

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

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.

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.

Mission Control + API

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

Zero-config connections

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

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.

RESOURCES

Get started quickly

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

WhatsApp Messaging Docs

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

WhatsApp Calling Docs

Add voice calls on the same number alongside messaging.

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

Customer notifications

Send order confirmations, shipping updates, and appointment reminders with 90%+ open rates. Customers see your verified business name, not an unknown number.

Customer support and service

Start with automated self-service over WhatsApp chat, then escalate to a voice call in the same thread without losing context. Faster resolution, more personalized support.

Verification and identity

Send one-time passcodes over WhatsApp instead of SMS. Lower cost, higher deliverability, no carrier filtering. Verify users over WhatsApp, SMS, RCS, and voice on the same platform.

Your customers are already on WhatsApp

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