> ## Documentation Index
> Fetch the complete documentation index at: https://arizeai-433a7140.mintlify.site/llms.txt
> Use this file 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.