# API Config ## Restaurant API If you looking to use **REST API** version of our app. You can follow same procedure to run as firebase. Once app will launch you can create account or login and order item. All the functionality will work as expected. You can go to **providers > const.service.ts** ![](https://ionicfirebaseapp.gitbooks.io/ionicrestaurantapp/content/assets/image_28.png) You can see api pointing to [NodeJS](https://www.ionicfirebaseapp.com/products/node-JS-restaurant-backend-dashboard) backend. If you have own Backend you can replace this url with your own URL or if you like to get our backend you can purchase and host it on your own server. You can go to our product page to check API Details and there pricing. [NodeJS API Details](https://www.ionicfirebaseapp.com/products/node-JS-restaurant-backend-dashboard) Check out the details of NodeJS api backend . We use MongoDB as database for this backend . --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.ionicfirebaseapp.com/ionicrestaurantapp/restaurant-app/untitled.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.