In-Region Routing: Keep your data in the US or EU

OpenRouter has launched US In-Region Routing to complement its existing EU option, allowing Business and Enterprise customers to ensure AI requests are decrypted, processed, and served entirely within the selected US or EU region. Users can switch to region-specific API endpoints without changing API keys, request formats, model IDs, or existing provider settings, while regional Guardrails can enforce that designated workspaces, teams, or keys use only the approved endpoint. Regional catalogs include only models with an available in-region provider, and unavailable requests return a 404 rather than falling back to another jurisdiction. The service is intended to address data-residency and compliance requirements that global endpoints may not satisfy even for models developed by US or EU labs. It also enables regional access to certain Chinese open-weight models hosted by US or EU providers, separating model hosting from the originating lab. OpenRouter distinguishes its approach from inference-only regional routing by keeping requests, processing, provider inference, and supported server tools within the selected region, disabling tools that could transmit data outside it.

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