API Gateway Updates Default Hostname Format for Model Routing
Google Cloud's API Gateway will introduce a new default hostname format for model routing gateways created on or after September 3, 2026. These new gateways might receive a `gateway.dev` hostname, such as `GATEWAY_ID-PROJECT_NUMBER.REGION.gateway.dev`, instead of the current `run.app` format. This update affects new deployments, while existing `gateway.dev` formats and previously created gateways remain unchanged. Users should read the `defaultHostname` property to retrieve the gateway's URL.
Enhancements (1) ›
- API Gateway New model routing gateways might use a gateway.dev default hostname
New model routing gateways might use a gateway.dev default hostname If you create a gateway that uses model routing on or after September 3, 2026, it might receive a gateway.dev default hostname instead of a run.app one, in the form https://GATEWAY_ID-PROJECT_NUMBER.REGION.gateway.dev — for example, https://my-gateway-123456789012.us-central1.gateway.dev . This is a second gateway.dev format; other gateways keep the existing one. To get a gateway's URL, read its defaultHostname property. For more information, see Deploy an API to a gateway .
https://docs.cloud.google.com/release-notes#September_03_2026
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