---
title: "Affirm (@affirm)"
description: "Company that offers buy now, pay later payment plans."
account: "affirm"
---

# Affirm

Company that offers buy now, pay later payment plans.

## 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/affirm/feed.md

- [Affirm Disputes API](https://skmtc.dev/affirm/apis/affirm-disputes-api.md): Chargebacks: list and inspect disputes, submit evidence and close cases
- [Cards API](https://skmtc.dev/affirm/apis/cards-api.md): Payments: read, finalize and cancel card checkouts, and track their progress
- [Checkout API](https://skmtc.dev/affirm/apis/checkout-api.md): Buy now, pay later: create, read, update and resend checkout sessions and instruments
- [Merchant Transaction API](https://skmtc.dev/affirm/apis/merchant-transaction-api.md): Buy-now-pay-later payments: authorize, capture, refund and void transactions, read settlements