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Author: bsian03

docs/events/Webhook_Events.mdx

@@ -45,6 +45,9 @@ If either of these are not complete, your Webhook Events URL will not be validat
 
 When adding your Webhook Events URL, Discord will send a `POST` request with a `PING` payload with a `type: 0` to your endpoint. Your app is expected to acknowledge the request by returning a `204` response with an empty body.
 
+> info
+> You must provide a valid `Content-Type` when responding to `PING`s. See [here](#DOCS_REFERENCE/http-api) for further information.
+
 <Collapsible title="Responding to PING Requests" description="Code example for acknowledging PING events" icon="code">
 To properly acknowledge a `PING` payload, return a `204` response with no body:
 

docs/interactions/Overview.mdx

@@ -80,6 +80,9 @@ If either of these are not complete, your Interactions Endpoint URL will not be
 
 When adding your Interactions Endpoint URL, Discord will send a `POST` request with a `PING` payload with a `type: 1` to your endpoint. Your app is expected to acknowledge the request by returning a `200` response with a `PONG` payload (which has the same `type: 1`). Details about interaction responses are in the [Receiving and Responding documentation](#DOCS_INTERACTIONS_RECEIVING_AND_RESPONDING).
 
+> info
+> You must provide a valid `Content-Type` when responding to `PING`s. See [here](#DOCS_REFERENCE/http-api) for further information.
+
 <Collapsible title="Responding to PING Requests" description="Code example for acknowledging PING interactions" icon="code">
 To properly acknowledge a `PING` payload, return a `200` response with a payload of `type: 1`:
 

docs/interactions/Receiving_and_Responding.mdx

@@ -200,6 +200,9 @@ Now that you've gotten the data from the user, it's time to respond to them.
 
 Interactions--both receiving and responding--are webhooks under the hood. So responding to an Interaction is just like sending a webhook request!
 
+> info
+> Interaction responses have the same header requirements as normal HTTP API requests. See [here](#DOCS_REFERENCE/http-api) for further information.
+
 There are a number of ways you can respond to an interaction:
 
 ### Interaction Response Object