# Quickstart

## Retire carbon credits

Our API enables developers to programatically acquire and retire carbon credits with convenient billing and invoicing options.

## Latest stable version

<https://v18.api.carbonmark.com>

## Getting started

1. Create an account or login with your existing Carbonmark account on our [Developer Dashboard](https://developers.carbonmark.com/login).
2. Once logged in, visit the [Keys](https://developers.carbonmark.com/dashboard/keys) page to generate an API key.
3. You can create **`Test API`** key's for free in a Sandbox environment. These can be used to test the API endpoints and for development access.
4. When you are ready to access paid **`Production API`** key's, [contact our Solutions team](https://share-eu1.hsforms.com/1RWJWvyrHT1C_an4cZOHH3gfhhlr) to be white-listed and complete onboarding.

{% content-ref url="versioning-and-release-process" %}
[versioning-and-release-process](https://docs.carbonmark.com/carbonmark-api/versioning-and-release-process)
{% endcontent-ref %}

{% content-ref url="retire-carbon" %}
[retire-carbon](https://docs.carbonmark.com/carbonmark-api/retire-carbon)
{% endcontent-ref %}

{% content-ref url="retire-carbon/postman-quickstart-guide" %}
[postman-quickstart-guide](https://docs.carbonmark.com/carbonmark-api/retire-carbon/postman-quickstart-guide)
{% endcontent-ref %}

## Explore projects, products, and market data

You can use the Carbonmark REST API to view assets, prices, supply, and other variables.

{% content-ref url="explore-carbon-projects" %}
[explore-carbon-projects](https://docs.carbonmark.com/carbonmark-api/explore-carbon-projects)
{% endcontent-ref %}