WhatsApp

WhatsApp On-Premises API

The self-hosted version of the WhatsApp Business API that allowed businesses to run the API on their own infrastructure. This API was deprecated on October 23, 2025, and all users must migrate to the Cloud API.

GitHub

Documentation

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Documentation
https://developers.facebook.com/docs/whatsapp/on-premises
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GettingStarted
https://developers.facebook.com/docs/whatsapp/on-premises/get-started/installation

Other Resources

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Deprecation Notice
https://developers.facebook.com/docs/whatsapp/on-premises
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PostmanCollection
https://www.postman.com/meta/whatsapp-business-platform/collection/vdi189b/whatsapp-on-premises-api-deprecated
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Migration Guide
https://developers.facebook.com/docs/whatsapp/cloud-api/migrate-to-cloud-api