# Overview - Rest API

**The Abyssale API is organised around** [**`REST`**](https://en.wikipedia.org/wiki/Representational_state_transfer)**.**

Global configuration:

* **Base URL:** `https://api.abyssale.com`
* **Data exchange format**: `JSON`. All API calls must contain the `Content-Type: application/json` header.
* **Rate limits**: 5 requests/s
* **Authentication**: [**API Key**](https://developers.abyssale.com/rest-api/authentication)

### How many API requests are included? <a href="#how-many-api-requests-are-included" id="how-many-api-requests-are-included"></a>

The number of available requests depends on your plan ([here is the related pricing table here](https://www.abyssale.com/pricing)).

*During your trial, 30 API calls are included.*

**Only successful visual creation calls are counted,** including when creating your visual from the API console on the design page.