# Failed to fetch

**URL:** <https://pdfjs.community/t/failed-to-fetch/2023>\
**Category:** Technical Support\
**Created:** [September 13, 2022, 8:58pm UTC](https://pdfjs.community/t/failed-to-fetch/2023 "2022-09-13T20:58:42Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex031/uploads/pdfjscommunity/original/1X/ffbcd25c7d423db8d5acd5db201c272f4db306dd.png) [@system](https://pdfjs.community/u/system)\
**Post date:** [September 13, 2022, 8:58pm UTC](https://pdfjs.community/t/failed-to-fetch/2023/3 "2022-09-13T20:58:47Z")

</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:
- [Browser support for PDF.js Express](https://pdfjs.express/documentation/learn-more/browser-support)
- [Set XFDF using the Express REST API - Body params](https://pdfjs.express/documentation/utils/set#body-params)
- [Loading PDF.js Express from a CDN or another origin - 1) Copy assets to CDN](https://pdfjs.express/documentation/learn-more/cors#1)-copy-assets-to-cdn)

APIs:
- [PDF.js Express Utilities](https://pdfjs.express/api/utils/index.html#__anchor)
- [UndefinedembeddedThumbnailComplete](https://pdfjs.express/api/namespaces.list.html#event:embeddedThumbnailComplete__anchor)
- [UI.Header - new Header()](https://pdfjs.express/api/UI.Header.html#Header__anchor)

Forums:
- [I cannot use PDF.JS Express to open a PDF file by url in a Vue Project, please help me figure out how is that happen](https://pdfjs.community/t/i-cannot-use-pdf-js-express-to-open-a-pdf-file-by-url-in-a-vue-project-please-help-me-figure-out-how-is-that-happen/660/1)
- [PDF not showing up and being replaced with Loading Modal](https://pdfjs.community/t/pdf-not-showing-up-and-being-replaced-with-loading-modal/1676/1)
- [Highlight Text is not working](https://pdfjs.community/t/highlight-text-is-not-working/1489/4)

  
  

Share how you are using PDF.js Express in your organization you could win a **$500 Amazon gift card. All participants will receive 6 months of PDF.js Express+ for free**. Learn more [here](https://utm.guru/ueQNw)

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