> For the complete documentation index, see [llms.txt](https://docs.giga.store/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.giga.store/api/getting-started.md).

# Getting started

Gigastore provides an API for integrating eSIM into websites and mobile apps.

The API is available in REST JSON format and comes with a Postman collection and Open API specification. Stay informed of our documentation to keep our API and services up-to-date.

You can check the collections and specs here:

[Postman Collection](/api/postman-collection.md)

[Open API Specification](/api/open-api-specification.md)

To start with an API integration, check the method to authorize your requests:

[API Authentification](/api/api-authentification.md)

Here, you will find the core elements of our APIs. 

[Offering Packages](/api/offering-packages.md)

[Countries API](/api/countries-api.md)

[Customers](/api/customers.md)

[First Package](/api/first-package.md)

[eSIM Profiles](/api/esim-profiles.md)

[Top-up](/api/top-up.md)