API Access Token-Custom apps

Number of APIs: 3

1. Get access_token and refresh_token POST https://{{baseUrl}}/open-apis/authen/v1/access_token

2. Get app_access_token POST https://{{baseUrl}}/open-apis/auth/v3/app_access_token/internal/

3. Get tenant_access_token POST https://{{baseUrl}}/open-apis/auth/v3/tenant_access_token/internal/