make CanDoPurchaseRequest.type optional

docs/api/purchase.md

@@ -15,6 +15,8 @@ Use this before a purchase to check if a purchase is possible.
 
 see [this JSON schema](../schema/candopurchaserequest.md)
 
+Note that ``type`` is not used at all.
+
 ### response
 
 On a invalid request body: HTTP status code 400 Bad request

docs/schema/CanDoPurchaseRequest.schema.json

@@ -14,8 +14,7 @@
   },
   "additionalProperties": false,
   "required": [
-    "deviceAuthToken",
-    "type"
+    "deviceAuthToken"
   ],
   "definitions": {},
   "$schema": "http://json-schema.org/draft-07/schema#",

docs/schema/candopurchaserequest.md

@@ -18,7 +18,7 @@ https://timelimit.io/CanDoPurchaseRequest
 
 | Property                            | Type     | Required | Nullable       | Defined by                                                                                                                                         |
 | :---------------------------------- | :------- | :------- | :------------- | :------------------------------------------------------------------------------------------------------------------------------------------------- |
-| [type](#type)                       | `string` | Required | cannot be null | [CanDoPurchaseRequest](candopurchaserequest-properties-type.md "https://timelimit.io/CanDoPurchaseRequest#/properties/type")                       |
+| [type](#type)                       | `string` | Optional | cannot be null | [CanDoPurchaseRequest](candopurchaserequest-properties-type.md "https://timelimit.io/CanDoPurchaseRequest#/properties/type")                       |
 | [deviceAuthToken](#deviceauthtoken) | `string` | Required | cannot be null | [CanDoPurchaseRequest](candopurchaserequest-properties-deviceauthtoken.md "https://timelimit.io/CanDoPurchaseRequest#/properties/deviceAuthToken") |
 
 ## type
@@ -27,7 +27,7 @@ https://timelimit.io/CanDoPurchaseRequest
 
 `type`
 
-* is required
+* is optional
 
 * Type: `string`