WhatsApp Business API

Name: WhatsApp Business API - Messaging & Calling | Telnyx
Brand: Telnyx
Availability: InStock

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.

Start building for free Talk to an expert

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

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

HOW IT WORKS

From zero to live in three steps.

1
Connect your WABA
In Mission Control, navigate to WhatsApp → Connect. Select your WhatsApp Business Account through Meta's embedded signup.
2
Verify your number
Pick an active Telnyx number. Meta sends a verification code to confirm ownership. Enter it.
3

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.

Simple, transparent pricing

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

See pricing

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.

Enable now Read the docs

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.

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

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

Start messaging

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

WhatsApp Calling Docs

Add voice calls on the same number alongside messaging.

Learn more

Voice API Docs

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

Learn more

WhatsApp Business API

Build WhatsApp experiences easily

Built for AI

One number, every channel

Global reach