How to pass multiple custom headers via ANTHROPIC_CUSTOM_HEADERS
Status Fixed / completed
Maintainer reply None cached
Activity 3 comments · opened Jun 9, 2025 · closed Jun 17, 2025
This is a follow up from https://github.com/anthropics/claude-code/issues/321.
With ANTHROPIC_CUSTOM_HEADERS="Header1: Value1" I can pass in a single header, but there are no instructions on how to pass multiple headers. I tried to set ANTHROPIC_CUSTOM_HEADERS to an array or object but neither worked.
Is this currently not supported?
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