How to use Client Credentials grant type with Sitecore CDP/Personalize.

Client_Creds_Authenticate.postman_collection.json

{
	"info": {
		"_postman_id": "e445a895-2163-4019-9770-7c53eddcf3e6",
		"name": "Client Creds Authenticate",
		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
		"_exporter_id": "18869027"
	},
	"item": [
		{
			"name": "Authenticate",
			"event": [
				{
					"listen": "test",
					"script": {
						"exec": [
							"var jsonData = JSON.parse(responseBody);\r",
							"postman.setEnvironmentVariable(\"AdminToken\", jsonData.access_token);"
						],
						"type": "text/javascript"
					}
				}
			],
			"request": {
				"auth": {
					"type": "basic",
					"basic": [
						{
							"key": "username",
							"value": "{{ClientKey}}",
							"type": "string"
						},
						{
							"key": "password",
							"value": "{{ApiToken}}",
							"type": "string"
						}
					]
				},
				"method": "POST",
				"header": [],
				"body": {
					"mode": "urlencoded",
					"urlencoded": [
						{
							"key": "grant_type",
							"value": "client_credentials",
							"type": "text"
						},
						{
							"key": "ClientKey",
							"value": "{{ClientKey}}",
							"type": "text"
						}
					]
				},
				"url": {
					"raw": "https://{{apiEndpoint}}/v2/oauth/token",
					"protocol": "https",
					"host": [
						"{{apiEndpoint}}"
					],
					"path": [
						"v2",
						"oauth",
						"token"
					]
				}
			},
			"response": []
		}
	]
}