Cloudflare Workers Accept Inbound TCP, with gRPC the First Protocol on Top
Eight years. Cloudflare just broke Workers' HTTP-only wall with inbound TCP and native gRPC support.
Why it matters
Cloudflare Workers expands beyond request-response HTTP into stateful, bidirectional protocols. Practitioners building real-time or gRPC-native services now have a new edge-compute option; this widens the addressable use case for serverless at the edge.
The key facts
12 to knowCloudflare Workers now accept inbound TCP connections via new connect(socket) handler
8-year restriction to HTTP now lifted
gRPC support: full-duplex for Containers, unary + server-streaming for Workers via automatic gRPC-web translation
Routed through Spectrum
Feature currently in private beta
Multiple language support for gRPC
Cloudflare Workers now accept inbound TCP via Spectrum routing
Eight-year restriction to HTTP lifted
Containers get full-duplex gRPC in any language
Workers get unary and server-streaming via gRPC-web translation
Feature is in private beta
Published August 29, 2026
Go to the source
InfoQ AI/MLinfoq.com
Publisher excerpt: Cloudflare Workers can now accept inbound TCP connections through a new connect(socket) handler routed via Spectrum, ending an eight-year restriction to HTTP. Containers get full-duplex gRPC in any language, while Workers get unary and server-streaming through automatic gRPC-web translation.…