> For the complete documentation index, see [llms.txt](https://docs.dexpay.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dexpay.io/b2b-integration.md).

# B2B INTEGRATION

- [Intro- Integration Guide](https://docs.dexpay.io/b2b-integration/intro-integration-guide.md): Welcome to the DexPay B2B API integration guide.
- [Register Business](https://docs.dexpay.io/b2b-integration/register-business.md)
- [Get Business Info and Wallet Address](https://docs.dexpay.io/b2b-integration/get-business-info-and-wallet-address.md): Before you can process transactions, you will be provided wallet address where you will prefund or receive stablecoin payments if you are facilitating crypto-to-fiat & fiat-to-crypto services respect.
- [Core Transaction Workflows](https://docs.dexpay.io/b2b-integration/core-transaction-workflows.md): This section details the two primary use cases for the DexPay API.
- [On-ramp Request- Fiat to Stablecoins](https://docs.dexpay.io/b2b-integration/core-transaction-workflows/on-ramp-request-fiat-to-stablecoins.md): In this scenario, your customer pays with fiat currency, and the equivalent stablecoin amount is sent to their crypto wallet.
- [Off-ramp Request- Stablecoins to Fiat](https://docs.dexpay.io/b2b-integration/core-transaction-workflows/off-ramp-request-stablecoins-to-fiat.md): In this scenario, your customer pays with a stablecoin (e.g., USDT, DUSD), and the equivalent fiat amount is settled to their local bank account.