> ## Documentation index
> Fetch the complete documentation index at: https://arize.com/llms.txt
> Ask it with GET https://arize.com/ask?q=<keywords or question>. Short keywords rank best.
> Use these to discover all available pages before exploring further.

# Can I use gRPC for trace collection?

> Phoenix does natively support gRPC for trace collection post 4.0 release. See [Configuration](/docs/phoenix/self-hosting/configuration) for details.