---
title: "Koin (@koin)"
description: "Payment institution in Brazil."
account: "koin"
---

# Koin

Payment institution in Brazil.

## APIs

4 public APIs with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/koin/feed.md

- [Onboarding API](https://skmtc.dev/koin/apis/onboarding-api.md)
- [bnpl](https://skmtc.dev/koin/apis/bnpl.md)
- [Antifraud API](https://skmtc.dev/koin/apis/antifraud-api.md): Ecommerce fraud checks: submit pre-evaluations and full evaluations of online orders
- [Payments API](https://skmtc.dev/koin/apis/payments-api.md): Koin payments: create and capture orders, refunds, card tokenization, and crypto payouts