Workers - Python and JavaScript Workers can now call each other via RPC
UpdateUnverifiedAdded Sep 24, 2026
You can now call methods between Python and JavaScript Workers using Workers RPC . This works through Service bindings without extra dependencies, schema definitions, or serialization code. Cross-language RPC calls behave like ordinary function calls. Exceptions propagate to the call site.
Topics: Developer tools
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Cloudflare in August 2026
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