# Introducing wasi-grpc for Spin

DevFeed: [Introducing wasi-grpc for Spin](<https://devfeed.tech/articles/introducing-wasi-grpc-for-spin-15277.md>)

Original publisher: [Read original article](<https://www.fermyon.com/blog/introducing-wasi-grpc>)

Author: Brian Hardock

Published: 2025-09-08T12:00:00Z

Content type: release

Language: en

Sources: [Fermyon - Experience the next wave of cloud computing.](<https://devfeed.tech/sources/fermyon-experience-the-next-wave-of-cloud-computing.md>)

Topics: [gRPC](<https://devfeed.tech/topics/grpc.md>), [Cloud Native Ecosystem](<https://devfeed.tech/topics/cloud-native-ecosystem.md>), [Cloud APIs](<https://devfeed.tech/topics/cloud-apis.md>)

Tags: [2](<https://devfeed.tech/tags/2.md>), [apis](<https://devfeed.tech/tags/apis.md>), [components](<https://devfeed.tech/tags/components.md>), [http](<https://devfeed.tech/tags/http.md>), [service](<https://devfeed.tech/tags/service.md>), [wasi](<https://devfeed.tech/tags/wasi.md>)

## AI overview

Spin 3.4 adds outbound HTTP/2 support, allowing components to function as gRPC clients and enabling Spin applications to connect directly to existing gRPC systems, cloud APIs, and service meshes.

## Source excerpt

Spin 3.4 introduces outbound HTTP/2 support, enabling components to act as first-class gRPC clients. Spin applications can now call into existing gRPC-based systems, cloud APIs, and service meshes directly, without workarounds.