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Hello,

I have a question regarding eg's `graphql-kotlin-spring-server` . We are using the library for one of our service and we want to differentiate the `playground` calls vs regular api calls to our endpoint `/graphql`

Is there a way to do this? Or is there a way to add some configuration to add a custom header for `playground` requests to help us differentiate these calls?

The context is that some clients are calling our `/graphql` endpoint and we would like to block direct calls to that endpoint but not block the playground which calls the same endpoint.

Any help is appreciated,
Thank you

Hello :wave:
While it is not out-of-box solution, you should be able to do it -&gt; you would need to

1. copy `graphql-playground.html` to your project
2. update settings to specify global header here -&gt; (<https://github.com/ExpediaGroup/graphql-kotlin/blob/master/servers/graphql-kotlin-spring-server/src/main/resources/graphql-playground.html#L53>), see <https://github.com/graphql/graphql-playground#properties>
3. Disable default playground round and create your own instead (see <https://github.com/ExpediaGroup/graphql-kotlin/blob/master/servers/graphql-kotlin-spring-server/src/main/kotlin/com/expediagroup/graphql/server/spring/PlaygroundRouteConfiguration.kt|https://github.com/ExpediaGroup/graphql-kotlin/blob/master/servers/graphql-kotlin-[…]ediagroup/graphql/server/spring/PlaygroundRouteConfiguration.kt>)
4. Add some WebFilter to your server to inspect incoming requests and look for expected header

Sounds good, thanks for the reply! I will try that out :slightly_smiling_face:

Hey <@UGUMP8USE> :wave:

Thanks again for providing the work around solution.

I followed your suggestion and I managed to setup everything. But the `globalHeaders` is not being reflected in the `playground`. In my `graphql-playground.html` I set the `globalHeaders` to some value (see screenshot) but incoming requests are not showing that header. I noticed that in playground settings the globalHeaders are not showing up like the ones defined in the `html`.  But if I change the globalHeaders in playground settings, I will see the header in my WebFilter.

Do you know what the issue might be?

Might be playground issue -&gt; you can try raising issue there... but the project is deprecated in favor of graphiql so dont think it is going to be fixed

You can try using graphiql instead and see if it works