Google Adds Event-Driven Webhooks to the Gemini API, Eliminating the Need for Polling in Long-Running AI Jobs

Google added webhook support to the Gemini API for long-running AI jobs.

Developers can now receive static or dynamic event-driven callbacks when asynchronous jobs finish, instead of polling for status.

The update is meant for workflows like Long-Running Operations, Batch API, and Deep Research.

Google also added signed callback security with HMAC and JWKS for production use.