Postman collection for the OAuthV2 Client Credentials example.

OAuth2 Client Credentials.postman_collection.json

{
  "info": {
    "_postman_id": "ac53fc95-c464-4413-8330-0ae96d1bfd1e",
    "name": "OAuth2 Client Credentials",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
    "_exporter_id": "22976572"
  },
  "item": [
    {
      "name": "Request-for-Token (Client credentials",
      "event": [
        {
          "listen": "test",
          "script": {
            "exec": [
              "var jsonData = JSON.parse(responseBody);",
              "",
              "pm.environment.set(\"access_token\", jsonData.access_token);",
              ""
            ],
            "type": "text/javascript"
          }
        }
      ],
      "request": {
        "auth": {
          "type": "basic",
          "basic": [
            {
              "key": "username",
              "value": "client-id",
              "type": "string"
            },
            {
              "key": "password",
              "value": "client-secret",
              "type": "string"
            }
          ]
        },
        "method": "POST",
        "header": [],
        "body": {
          "mode": "urlencoded",
          "urlencoded": [
            {
              "key": "grant_type",
              "value": "client_credentials",
              "type": "text"
            }
          ]
        },
        "url": {
          "raw": "{{endpoint}}/oauth2-cc/token",
          "host": [
            "{{endpoint}}"
          ],
          "path": [
            "oauth2-cc",
            "token"
          ]
        }
      },
      "response": []
    },
    {
      "name": "Request with no Authorization",
      "request": {
        "method": "GET",
        "header": [],
        "url": {
          "raw": "{{endpoint}}/loopback-1/t1",
          "host": [
            "{{endpoint}}"
          ],
          "path": [
            "loopback-1",
            "t1"
          ]
        }
      },
      "response": []
    },
    {
      "name": "Request with Authorization Header",
      "request": {
        "auth": {
          "type": "oauth2",
          "oauth2": [
            {
              "key": "tokenType",
              "value": "",
              "type": "string"
            },
            {
              "key": "accessToken",
              "value": "{{access_token}}",
              "type": "string"
            },
            {
              "key": "addTokenTo",
              "value": "header",
              "type": "string"
            }
          ]
        },
        "method": "GET",
        "header": [],
        "url": {
          "raw": "{{endpoint}}/loopback-1/t1",
          "host": [
            "{{endpoint}}"
          ],
          "path": [
            "loopback-1",
            "t1"
          ]
        }
      },
      "response": []
    }
  ]
}