> For the complete documentation index, see [llms.txt](https://local.docs.ssaudit.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://local.docs.ssaudit.com/english-1/e-invoice/overview.md).

# 9.1 Register E-invoice Supplier

## E-INVOICE

![](https://632035940-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MS6wMckMyiqOiAIvWnY-1703796690%2Fuploads%2Fgit-blob-66f5e31ac9f2186031dd1ef73c80f16f45a00b27%2Feinvoice-overview-01.png?alt=media)

### Register E-invoice Supplier <a href="#toc156918043" id="toc156918043"></a>

<figure><img src="https://632035940-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MS6wMckMyiqOiAIvWnY-1703796690%2Fuploads%2Fgit-blob-aebd7fc0fd412e40fdfa8ef02718e0a9c7f302d0%2Feinvoice-overview-02.png?alt=media" alt=""><figcaption></figcaption></figure>

Choose the supplier

Enter the link in the Portal Services link

Example: <https://api-sinvoice.viettel.vn:443>