# Introduction to E-Invoicing API

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## Learn Basics

Learn basics and best practices of using ClearTax E-Invoicing APIs.

{% content-ref url="learn-e-invoicing-api-basics" %}
[learn-e-invoicing-api-basics](https://docs.cleartax.in/cleartax-docs/e-invoicing-api/learn-e-invoicing-api-basics)
{% endcontent-ref %}

## API Reference

Get complete reference on E-Invoicing API.

{% content-ref url="e-invoicing-api-reference" %}
[e-invoicing-api-reference](https://docs.cleartax.in/cleartax-docs/e-invoicing-api/e-invoicing-api-reference)
{% endcontent-ref %}

## E-Invoicing FTP Magnet

Get the specification document and a typical project plan of E-Invoicing FTP Magnet.

{% content-ref url="e-invoicing-ftp-magnet" %}
[e-invoicing-ftp-magnet](https://docs.cleartax.in/cleartax-docs/e-invoicing-api/e-invoicing-ftp-magnet)
{% endcontent-ref %}