# Unable to create license as domain already used

**URL:** <https://pdfjs.community/t/unable-to-create-license-as-domain-already-used/1870>\
**Category:** Technical Support\
**Created:** [July 14, 2022, 1:31pm UTC](https://pdfjs.community/t/unable-to-create-license-as-domain-already-used/1870 "2022-07-14T13:31:57Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![system](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/ffbcd25c7d423db8d5acd5db201c272f4db306dd.png) [@system](https://pdfjs.community/u/system)\
**Post date:** [July 14, 2022, 1:32pm UTC](https://pdfjs.community/t/unable-to-create-license-as-domain-already-used/1870/3 "2022-07-14T13:32:02Z")

</div>

**Hello, I’m Ron, an automated tech support bot 🤖**

While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages:

Guides:
- [REST API Pricing - How to sign up](https://pdfjs.express/documentation/utils/pricing#how-to-sign-up)
- [Adding your license key](https://pdfjs.express/documentation/get-started-viewer/add-license-key)
- [PDF.js Express Utility API - Usage](https://pdfjs.express/documentation/utils#usage)

APIs:
- [UI.Fonts - getSignatureFonts()](https://pdfjs.express/api/UI.Fonts.html#.getSignatureFonts__anchor)
- [Core.Tools.SignatureCreateTool - new SignatureCreateTool(docViewer)](https://pdfjs.express/api/Core.Tools.SignatureCreateTool.html#SignatureCreateTool__anchor)
- [Core.Tools.MarqueeZoomTool - new MarqueeZoomTool(docViewer)](https://pdfjs.express/api/Core.Tools.MarqueeZoomTool.html#MarqueeZoomTool__anchor)

Forums:
- [You already have a license key for that domain - but it’s not there in Subscriptions](https://pdfjs.community/t/you-already-have-a-license-key-for-that-domain-but-its-not-there-in-subscriptions/1741/1)
- [Issues with message: “Origin does not match the domain set on license key”](https://pdfjs.community/t/issues-with-message-origin-does-not-match-the-domain-set-on-license-key/917/1)
- [License Error/ License API not getting called](https://pdfjs.community/t/license-error-license-api-not-getting-called/1726/11)

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