# Integration Guides

- [Medusa](https://dev.flexshopper.com/medusa/integration-guides/medusa.md): Medusa is a REST API that enables you to authenticate your user, apply for a spending limit, create a lease, sign the lease, and perform other operations on behalf of the user.
- [Payment Plugin](https://dev.flexshopper.com/medusa/integration-guides/payment-plugin.md): The Payment Plugin is an iframe, embeddable in your own site, that enables the user to sign-up or sign-in, apply for a spending limit, enter payment method(s), submit their First Payment, and sign the


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://dev.flexshopper.com/medusa/integration-guides.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.