WP Rest API with Custom post types and / Advanced custom fields

Prerequisites:

• Install the WP REST API plugin
• Install the plugin ACF to REST API V2
  • Note: another plugin ‘ACF to WP API’ didn’t work for me
• Install the Chrome plugin Postman

Make it work

• Create a Custom post Type
  • Set Show in REST API to TRUE
  • enter a REST API base slug (need this for your requests)
• Create some ACF fields for the custom post type
• Create a Custom post
• Test the API in Postman:
  GET    http://localhost/sitename/wp-json/wp/v2/rest-api-base-slug

  You should see a json file with acf fields