Cloudflare Workers RPC Now Supports Cross-Language Calls Between Python and JavaScript
ritakozlov · x · 2026-08-03
Cloudflare announced that its Workers RPC feature now supports seamless cross-language calls between Python and JavaScript.
Powered by underlying Cap'n Proto RPC and Cap'n Web technologies, developers can share objects and invoke methods between Python Workers and JavaScript/TypeScript Workers without defining extra schemas or adding complex dependencies. This greatly simplifies the architecture of multi-language backend services.
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