> For the complete documentation index, see [llms.txt](https://listing-nb.gitbook.io/olo-full-app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://listing-nb.gitbook.io/olo-full-app/api-server/introduction.md).

# Introduction

## OLO Multivendor Backend

The Api-server that integrates with mobile App and the admin Dashboard uses the below technologies.

* [NodeJS](https://nodejs.org/en/)
* [Express](https://expressjs.com/)
* [MongoDB](https://www.mongodb.com/)
* [Apollo](https://www.apollographql.com/)
* [Node Mailer](https://nodemailer.com)
* [Mongoose](https://mongoosejs.com)
* [Paypal](https://www.paypal.com)
* [Firebase](https://firebase.google.com)

Click [here](https://market.nativebase.io/view/enatega-multivendor-food-backend-app) to know more.