Add rest api quickstart

README.md

@@ -119,7 +119,9 @@ coder to help!
 
 ## API REST documentation
 
-For now only on Github:
+Quick Start: [/support/doc/api/quickstart.md](/support/doc/api/quickstart.md)
+
+Endpoints documentation:
 
  * HTML version: [/support/doc/api/html/index.html](https://htmlpreview.github.io/?https://github.com/Chocobozzz/PeerTube/blob/develop/support/doc/api/html/index.html)
  * Swagger/OpenAPI schema: [/support/doc/api/openapi.yaml](/support/doc/api/openapi.yaml)

support/doc/api/quickstart.md

@@ -0,0 +1,47 @@
+# REST API quick start
+
+## Authentication
+
+### Get client
+
+Some endpoints need authentication. We use OAuth 2.0 so first fetch the client tokens:
+
+```
+$ curl https://peertube.example.com/api/v1/oauth-clients/local
+```
+
+Response example:
+
+```
+{
+  "client_id": "v1ikx5hnfop4mdpnci8nsqh93c45rldf",
+  "client_secret": "AjWiOapPltI6EnsWQwlFarRtLh4u8tDt"
+}
+```
+
+### Get user token
+
+Now you can fetch the user token:
+
+```
+$ curl -X POST \
+ -d "client_id=v1ikx5hnfop4mdpnci8nsqh93c45rldf&client_secret=AjWiOapPltI6EnsWQwlFarRtLh4u8tDt&grant_type=password&response_type=code&username=your_user&password=your_password" \
+  https://peertube.example.com/api/v1/users/token
+```
+
+Response example:
+
+```
+{
+  "access_token": "90286a0bdf0f7315d9d3fe8dabf9e1d2be9c97d0",
+  "token_type": "Bearer",
+  "expires_in": 14399,
+  "refresh_token": "2e0d675df9fc96d2e4ec8a3ebbbf45eca9137bb7"
+}
+```
+
+Just use the `access_token` in the `Authorization` header:
+
+```
+$ curl -H 'Authorization: Bearer 90286a0bdf0f7315d9d3fe8dabf9e1d2be9c97d0' https://peertube.example.com/api/v1/jobs/complete
+```