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# 9.1 Register E-invoice Supplier

## E-INVOICE

![](/files/sOVaWEz3UK5g9BtUBLPa)

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

<figure><img src="/files/37vlaO5htgN3PxQI44Tt" alt=""><figcaption></figcaption></figure>

Choose the supplier

Enter the link in the Portal Services link

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