# API v4

Use this documentation to explore the parcelLab API v4 Enhanced, learn about authentication, API versioning, error handling, and alternative integration methods.

{% hint style="info" %}
API v4 is the default and recommended integration path.

Use the parcelLab API v2 LTS only if you already have an existing integration. For further information, see the [API v2 LTS documentation](https://app.gitbook.com/s/m5MUhYrMmT0cei4QdxGn/).
{% endhint %}

## Getting Started

Select from the following to help you get started with the parcelLab platform.

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Quickstart Guide</strong></td><td>Follow our setup guide and make your first API call with ease.</td><td><a href="https://1242524681-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Few6OnyRUe6InzC96WnMr%2Fuploads%2FKciFmIG9xxHCUd1WBcJi%2FDevelopers_Quickstart.png?alt=media&#x26;token=c88811ac-9765-4ba7-9451-0636e7d119f1">Developers_Quickstart.png</a></td><td><a href="getting-started/quickstart-guide">quickstart-guide</a></td></tr><tr><td><strong>API Reference</strong></td><td>Explore our API v4 Enhanced reference to learn about the available endpoints.</td><td><a href="https://1242524681-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Few6OnyRUe6InzC96WnMr%2Fuploads%2Fu2DHWV38oazluSRfDlBj%2FDevelopers_API.png?alt=media&#x26;token=0139cf4b-9861-46ed-afc6-e60c50379b62">Developers_API.png</a></td><td><a href="getting-started/api-reference">api-reference</a></td></tr><tr><td><strong>Authentication</strong></td><td>Find out how to authenticate with the parcelLab API.</td><td><a href="https://1242524681-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Few6OnyRUe6InzC96WnMr%2Fuploads%2FqyZdGWFe0kzWkJuZvZQ6%2FDevelopers_Authentication.png?alt=media&#x26;token=878ca62c-9e72-4c39-afb6-09fb7fa300ec">Developers_Authentication.png</a></td><td><a href="getting-started/authentication">authentication</a></td></tr><tr><td><strong>Error Codes</strong></td><td>See how errors are handled when an API request fails.</td><td><a href="https://1242524681-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Few6OnyRUe6InzC96WnMr%2Fuploads%2FqHpJ23DYobnn2F5xIqHb%2FDevelopers_Error%20code.png?alt=media&#x26;token=c80864b3-a9dc-4b92-af4f-af310cfbdfd1">Developers_Error code.png</a></td><td><a href="getting-started/error-codes">error-codes</a></td></tr></tbody></table>