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Access-Control-Allow-Headers Header

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The HTTP Access-Control-Allow-Headers response header is used in response to a preflight request to indicate the HTTP headers that can be used during the actual request; this header is requered if the preflight request contains Access-Control-Request-Headers header1.

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References

  1. MDN. “Access-Control-Allow-Headers header”. Available at: https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Access-Control-Allow-Headers. (Accessed: [2025-05-17 Sat 15:01]). ↩︎

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