The service is free for now

We're not currently charging for this service. The apiKey defaults to 'free'.

0xFast Services

To ensure our users get the best response times, we have two 0xFast datacenters running: One in SF Bay Area, and another in Germany.

SF Bay Area: eth-uswest.0xfast.com/rpc/free

Germany: eth-eu.0xfast.com/rpc/free


You might see 0xFast URLs having #xx suffix. This is only to separate the various POST requests with the same endpoint in OpenAPI. Those suffixes make no difference to how the request is handled.

eth-uswest.0xfast.com/rpc/{apiKey}#suffix is the same as