---
title: "Helcim (@helcim)"
description: "APIs, generators, stacks and projects published by helcim on Skmtc."
account: "helcim"
---

# Helcim

## APIs

3 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/helcim/feed.md

- [HelcimPay.js](https://skmtc.dev/helcim/apis/helcimpay-js.md): Payments: create hosted checkout sessions and upload a logo for the payment modal
- [Recurring API](https://skmtc.dev/helcim/apis/recurring-api.md): Recurring billing: manage payment plans, subscriptions, add-ons and subscription payments
- [The Helcim API](https://skmtc.dev/helcim/apis/the-helcim-api.md): Card and ACH payments: charge, refund and void transactions, manage customers, invoices and terminals