> For the complete documentation index, see [llms.txt](https://docs.vntranslator.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vntranslator.com/user-guide/translation-services/deepl-api.md).

# DeepL API

{% hint style="info" %}
DeepL offers free API access that allows you to translate up to 500,000 characters per month for free.\
If you need more than that, you can purchase a DeepL API Pro subscription and it costs $5.49 / month + Usage based price
{% endhint %}

* Visit <https://www.deepl.com/pro#developer>

<figure><img src="/files/crj6q0qirYiaCyBZAwow" alt=""><figcaption></figcaption></figure>

* Complete the subscription process.
* After you have subscribed, go to your Account <https://www.deepl.com/account/summary> and under the tab with the same name you will find your API key.

<figure><img src="/files/ONjZ5p5719tBhR9KfqL2" alt=""><figcaption></figcaption></figure>

* Copy the API key, then in the VNTranslator go to Service Settings and enter your key.