---
title: "Paymentology (@paymentology)"
description: "Global card issuing processor."
account: "paymentology"
---

# Paymentology

Global card issuing processor.

## APIs

5 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/paymentology/feed.md

- [Disputes Intake API](https://skmtc.dev/paymentology/apis/disputes-intake-api.md): Card payments: file disputes in batches, add cases, start processing and check intake status
- [Paycredit API](https://skmtc.dev/paymentology/apis/paycredit-api.md): Credit cards and accounts: open accounts, issue cards, manage transactions, disputes, instalment loans and statements
- [Ledger API](https://skmtc.dev/paymentology/apis/ledger-api.md): Payments ledger: manage customers, accounts, balances, transfers, deposits and withdrawals
- [Decision Engine](https://skmtc.dev/paymentology/apis/decision-engine.md): Card authorization rules: assign rules to cards, manage named lists and waivers
- [PayApi Docs](https://skmtc.dev/paymentology/apis/payapi-docs.md): Card issuing: create accounts and customers, manage cards, 3DS, rules, fees and billing cycles