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Error Signals | Developer Documentation

Meta WhatsApp Templates

Error Signals Updated: Feb 6, 2026 Upcoming deprecation: Starting April 15, 2026, the PendingIntent-based handshake method for authentication templates will be deprecated. If you are currently using PendingIntent to initiate handshakes or verify app identity...

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meta-whatsapp-docs

legacy_url

https://developers.facebook.com/documentation/business-messaging/whatsapp/templates/authentication-templates/error-signals

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f1e707107dcdc19ce85deee074e2b4345bd7e2fe

legacy_chapter

Templates

legacy_source

developers.facebook.com

legacy_scope

business-messaging/whatsapp

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Error Signals | Developer Documentation

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