Opencart API documentation for the developer: supports output formats that return a JSON response. Output formats are defined by specifying the output request parameter. With opencart API we can perform CRUD functionalities. Opencart 4 API documentation In Opencart 4 there are some changes on the API endpoints, here is the login API endpoint /index.php?route=api/account/login: Here … Continue reading Opencart API, Opencart 4 and 3 API documentation for developer, postman