# Getting Started

The API is a REST API that defines a set of functions so that developers can make requests and receive responses via the HTTP protocol (GET, POST). In this way, they can be used by practically any programming language. It is important to consider the following elements when calling APIs.

**URL**

<table><thead><tr><th width="147">Environment</th><th>Url</th></tr></thead><tbody><tr><td>Sandbox</td><td><a href="https://stg-backend-card.alfredpay.app">https://stg-backend-card.alfredpay.app</a></td></tr><tr><td>Swagger</td><td><a href="https://stg-backend-card.alfredpay.app/docs">https://stg-backend-card.alfredpay.app/docs</a></td></tr><tr><td>SEP01 TOML</td><td><a href="https://stg-backend-card.alfredpay.app/.well-known/stellar.toml">https://stg-backend-card.alfredpay.app/.well-known/stellar.toml</a></td></tr></tbody></table>

#### Mode:

GET, POST&#x20;

<figure><img src="https://4052092048-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F9PrT6fioMkaPWVh8hskg%2Fuploads%2Fl1vZop5tVSrPmgNSd2s3%2Fimage.png?alt=media&#x26;token=373f27c0-3fbb-47b6-ae87-bc6d6f42a9ad" alt=""><figcaption></figcaption></figure>

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Fixed Limits for launch:

* MVP limits: 1,600 USD mensuales | año 19,200 USD
* Límite de compra: \~ 18,000 USD
* Retiro en efectivo : \~ 1,500 USD
