> For the complete documentation index, see [llms.txt](https://docs.nexusglobalpayments.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nexusglobalpayments.org/apis/payment-setup-api-flows.md).

# Payment Setup API flows

The following diagrams illustrate the API flow and recommended sequence of interactions for setting up a Nexus payment.

<figure><img src="https://260996932-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdlTzGEXDmi664xppppmm%2Fuploads%2Fiy6CtNJziECIfnpqr7w4%2FPicture5.png?alt=media&amp;token=905be83e-90bd-4e44-aff5-ff6abd7cad76" alt=""><figcaption></figcaption></figure>

<figure><img src="https://260996932-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdlTzGEXDmi664xppppmm%2Fuploads%2FsycSv9pyCKDktISUpBnZ%2FPicture2.png?alt=media&amp;token=6e842ad5-f627-4b67-b8be-25db8710c359" alt=""><figcaption></figcaption></figure>