> For the complete documentation index, see [llms.txt](https://purple-pay.gitbook.io/purple-pay/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://purple-pay.gitbook.io/purple-pay/product-guides/one-time-payment-link.md).

# One-time Payment Link

Get started with crypto commerce invoices.

This guide will take you through the process of generating one-time payment links or invoices. 

### One-time payment link

Click on "One Time Payment" in the left navbar to get started.\
\
Select the chain you wish to receive payment on, enter the amount and add a small description for the invoice. \
Click on "Create Payment Link" to generate invoice.

<figure><img src="https://319103184-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FewuY946HRjjydSgTOjyj%2Fuploads%2FHT8MMnNNePDOXYVK3gxW%2FScreenshot%202023-07-27%20at%2010.14.08%20PM.png?alt=media&amp;token=c1b2c34b-1f01-4903-aeb0-16a069694621" alt=""><figcaption><p>One Time Payment</p></figcaption></figure>

<figure><img src="https://319103184-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FewuY946HRjjydSgTOjyj%2Fuploads%2FnLu99zSU67mS0ZnQRdRn%2FScreenshot%202023-07-27%20at%2010.15.07%20PM.png?alt=media&amp;token=27d37b1c-398d-4df6-a5af-13e6471b7305" alt="" width="473"><figcaption><p>Generated Invoice</p></figcaption></figure>

If you're a developer, you can also generate your API key in settings for various integration options. Please learn more [here](/purple-pay/developers/api-key.md).