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Cloud API CallingUpdated: Mar 10, 2026OverviewThe WhatsApp Business Calling API enables you to initiate and receive calls with users on WhatsApp using Voice over Internet Protocol (VoIP).Value proposition (concise)WhatsApp Business Calling: Trusted, Multi-Moda...

Configure Call SettingsUpdated: Mar 23, 2026Calling is not enabled by default on a business phone numberUse the POST /<PHONE_NUMBER_ID>/settings endpoint to enable Calling API features on a business phone number.Calling EligibilityTo qualify for Calling API fe...

Business-Initiated CallsUpdated: Nov 13, 2025OverviewThe Calling API supports making calls to WhatsApp users from your business.The user dictates when calls can be received by granting call permissions to the business phone number.Call sequence diagramNote: Th...

Obtain User Call PermissionsUpdated: Nov 13, 2025As of November 3, 2025, permanent permissions is now available. Users can now grant a business ongoing permission to call. Users can review and change calling permission for a business at any time in the busines...

User-initiated callsUpdated: Nov 13, 2025OverviewThe Calling API supports receiving calls made by WhatsApp users to your business.Your business dictates when calls can be received by configuring business calling hours and holiday unavailability.Consumer device...

SIP Configuration Guide - WhatsApp Business CallingUpdated: Dec 15, 2025When SIP is enabled, you cannot use calling related Graph API endpoints and calling related webhooks are not sent.OverviewSession Initiation Protocol (SIP⁠) is a signaling protocol used fo...

Send WhatsApp Call Button Messages and Deep LinksUpdated: Feb 25, 2026OverviewAfter you adopt Cloud API Calling features, you can raise awareness with your customers in two core ways:Send them a message with a WhatsApp call buttonEmbed a calling deep link into...

Integration PatternsUpdated: Feb 25, 2026Possible high-level approaches Approach Number setup Business Solution Provider responsibilities Calling Tech Provider responsibilities End business responsibilities Message BSP capable of CallingExisting messaging ...

API and Webhook ReferenceUpdated: Nov 25, 2025Calling API endpointsConfigure or update calling settingsCall the Update Phone Number Settings endpoint and pass in Calling API parameters to configure settings on a business phone number you designate in the reque...

Troubleshoot WhatsApp Calling Errors - Reference GuideUpdated: Dec 3, 2025Standard error responseWhen you receive an error, in the majority of cases the error shape will look like this:{ "error": { "message": "<Error Message>", "type": "<Exception Ty...

Set Up a Sandbox Account for CallingUpdated: Oct 31, 2025Sandbox accounts are only available to you if you are a Tech Partner.OverviewA WhatsApp sandbox account is a mock WhatsApp Business Account that you can use to test your Calling API integration. Use a ca...

Calling API App Review GuidelinesUpdated: Nov 21, 2025OverviewThe official page referenced by reviewers is /docs/permissions#w. Use this guide as complementary to that page but treat that page as the official source when in doubt.This page provides details to ...

Calling API PricingUpdated: Mar 30, 2026All user-initiated calls are free.OverviewBusinesses are charged for calls based on:Duration of the call (calculated in six-second pulses)Country code of the phone number being calledVolume tier (based on minutes called ...

FAQsUpdated: Nov 13, 2025Product FAQWill calls show up in the insights page on Meta WhatsApp Manager UI?Call insights will be available in both WhatsApp Manager and the analytics API.Are International calls supported like WhatsApp consumer to consumer calls?Ye...

Integration ExamplesUpdated: Feb 25, 2026This guide explains integration of common VoIP platforms with WhatsApp Business Calling API.This guide is for information purposes only with no support or warranties of any kind from Meta or any vendor. There are many w...