> 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="/files/N92TXcOakGaNPxYabe01" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/VCZyTWMB2XwBxbyBx9tT" alt=""><figcaption></figcaption></figure>