Move API ref as is

content/_redirects

@@ -405,6 +405,7 @@
 /pages/how-to/elderjs/ /pages/framework-guides/elderjs/ 301
 /pages/platform/github-integration/ /pages/platform/git-integration/ 301
 /pages/platform/direct-uploads/ /pages/platform/direct-upload/ 301
+/platform/functions/billing/ /platform/functions/pricing/ 301
 
 # partners
 /partners/ /learning-paths/technology-partner-integrations/ 301

content/pages/platform/functions/api-reference.md

@@ -3,3 +3,63 @@ pcx-content-type: how-to
 title: API Reference
 weight: 3
 ---
+
+The following APIs are used within Functions. 
+
+## Methods
+
+<Some text about these>
+
+### onRequests
+
+{{<definitions>}}
+
+- {{<code>}}onRequest(context[{{<param-type>}}EventContext{{</param-type>}}](#eventcontext)){{</code>}} {{<type>}}Response | Promise&lt;Response&gt;{{</type>}}
+  - This function will be invoked on all requests no matter the request method
+- {{<code>}}onRequestGet(context[{{<param-type>}}EventContext{{</param-type>}}](#eventcontext)){{</code>}} {{<type>}}Response | Promise&lt;Response&gt;{{</type>}}
+  - This function will be invoked on all GET requests
+- {{<code>}}onRequestPost(context[{{<param-type>}}EventContext{{</param-type>}}](#eventcontext)){{</code>}} {{<type>}}Response | Promise&lt;Response&gt;{{</type>}}
+  - This function will be invoked on all POST requests
+- {{<code>}}onRequestPatch(context[{{<param-type>}}EventContext{{</param-type>}}](#eventcontext)){{</code>}} {{<type>}}Response | Promise&lt;Response&gt;{{</type>}}
+  - This function will be invoked on all PATCH requests
+- {{<code>}}onRequestPut(context[{{<param-type>}}EventContext{{</param-type>}}](#eventcontext)){{</code>}} {{<type>}}Response | Promise&lt;Response&gt;{{</type>}}
+  - This function will be invoked on all PUT requests
+- {{<code>}}onRequestDelete(context[{{<param-type>}}EventContext{{</param-type>}}](#eventcontext)){{</code>}} {{<type>}}Response | Promise&lt;Response&gt;{{</type>}}
+  - This function will be invoked on all DELETE requests
+- {{<code>}}onRequestHead(context[{{<param-type>}}EventContext{{</param-type>}}](#eventcontext)){{</code>}} {{<type>}}Response | Promise&lt;Response&gt;{{</type>}}
+  - This function will be invoked on all HEAD requests
+- {{<code>}}onRequestOptions(context[{{<param-type>}}EventContext{{</param-type>}}](#eventcontext)){{</code>}} {{<type>}}Response | Promise&lt;Response&gt;{{</type>}}
+  - This function will be invoked on all OPTIONS requests
+
+{{</definitions>}}
+
+### env.ASSETS.fetch()
+
+The env.ASSETS.fetch() function allows you to fetch a static asset. Requests to this will be to the pretty path not directly to the asset (i.e. if you had the path: `functions/users/index.html`, you will request  /users/ instead of /users/index.html). This will run the header and redirect rules, so they will modify the response that is returned.
+
+## Types
+
+### EventContext
+
+{{<definitions>}}
+The following are the properties on the context object which are passed through on the onRequest methods:
+
+  - `request` [{{<type>}}Request{{</type>}}](/workers/runtime-apis/request/)
+      
+      This is the incoming [Request](/workers/runtime-apis/request/).
+  
+  - `functionPath` {{<type>}}string{{</type>}}
+  - {{<code>}}waitUntil(promise{{<param-type>}}Promise&lt;any&gt;{{</param-type>}}){{</code>}} {{<type>}}void{{</type>}}
+  - {{<code>}}passThroughOnException(){{</code>}} {{<type>}}void{{</type>}}
+  - {{<code>}}next(input?{{<param-type>}}Request | string{{</param-type>}}, init?{{<param-type>}}RequestInit{{</param-type>}}){{</code>}} {{<type>}}Promise&lt;Response&gt;{{</type>}}
+  - `env` [{{<type>}}EnvWithFetch{{</type>}}](#envwithfetch)
+  - `param` [{{<type>}}Params&lt;P&gt;{{</type>}}](#params)
+  - `data` [{{<type>}}Data{{</type>}}](#data)
+  
+{{</definitions>}}
+
+### EnvWithFetch
+
+### Params
+
+### Data
\ No newline at end of file