> For the complete documentation index, see [llms.txt](https://docs.calypso.money/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.calypso.money/general/overview.md).

# Overview

**Calypso Pay supports the following products:**

* Customers this functionality is a convenient and effective tool for managing users and their multi-deposit addresses. With it you can create users and edit information about them. Each user will receive their own multi-deposit address for replenishment with several currencies available within the same blockchain and supported by our service.
* Limited Invoice is a commercial document issued by a merchant to a client relating to a sale transaction. It includes provided products and services, their quantities and agreed costs.
* Unlimited Invoice is an invoice without a fixed amount. Payments to the invoice of this type can be accepted in unlimited quantities for any amount for an unlimited time. Funds are transferred to the hot wallet if necessary.
* Payment Link is a link to a one-time invoice. Payment links can be sent by email, messenger or in any other way.
* Payment Widget is an out of the box solution for accepting crypto currencies from your clients. It is versatile, easy to set up and adjust for you and easy to use for your clients. While being based on our invoice product under the hood, it also gives your client the possibility to choose the currency and different ways to pay - by just copying the needed address, scanning the QR code or connecting via Metamask or Walletconnect in just a few clicks.
* Exchange is the process of exchanging one cryptocurrency for another within the same account.
* Single Payout is a payment of a reward, dividend, insurance compensation, etc. (i.e. you may need to pay dividends to partners).
* Mass payout is a method of paying multiple recipients simultaneously. Since mass payouts are submitted online, they are processed instantly which helps organizations to save time, money and resources.

**Do you want to see how our payment products look like?**

A real example of our products you can find on the page with implemented payment products.

The entire payment flow of Payment Link, Payment Widget or Embedded Payment Link you can watch on the page with payment flows examples.


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