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Access-Control-Allow-Origin #267

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Access-Control-Allow-Origin
shocknet-justin Jun 16, 2024
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shocknet-justin Jun 17, 2024
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Expand Up @@ -35,6 +35,10 @@ Once `LNURL` is decoded:

Neither status codes or any HTTP Header has any meaning. Servers may use whatever they want. Clients should ignore them (and be careful when using libraries that treat responses differently based on headers and status codes) and just parse the response body as JSON, then interpret it accordingly.

## CORS Browser Compatibility

Application endpoints that need to be accessed when using the LNURL must respond to `OPTIONS` requests on that endpoint. In their replies to `GET` and `OPTIONS`, they must set the header `Access-Control-Allow-Origin: *` for LNURL's to work with browser-based wallets, services and other webapps. If they set the `Access-Control-Allow-Methods` header, they must set in such a way that `GET` requests are permitted.

## Decoding examples

In Scala:
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