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Top 23 TypeScript Payment Projects
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bigcapital
💵 Independent financial accounting with intelligent reporting, alternative to Quickbooks, Xero, Wave.
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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easy-invoice-pdf
Free & Open-Source Invoice Generator - No Sign-Up, No Ads, Instant PDF Export, 100% In-Browser, and Fully Customizable Templates. ⭐ Star the repo if you like it
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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wildberry
Inspired by the need for freedom in app monetization. Thanks to the open-source community for their invaluable contributions to software freedom.
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The x402 v2 specification publishes a complete PaymentPayload example in section 5.2.1, including a real 65-byte signature. The exact/EVM scheme spec republishes the same payload with one extra field, and defines what gets signed. I implemented keccak256 and secp256k1 from scratch, rebuilt the EIP-712 digest from that example, and ran public key recovery against that signature.
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vratix-expressjs-api-modules
Instantly build Node.js API backend services with Vratix 🚀. A collection of open-source, production-ready API modules for Express.js written in TypeScript. Supports authentication, Stripe billing, email integrations (Postmark), AWS S3 uploads, Docker configs, and more!
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pinion-os
Client SDK, Claude plugin and skill framework for the Pinion protocol. x402 micropayments on Base.
Project mention: Top 10 Emerging OpenClaw Projects and the Future of AI Agents in 2026 | dev.to | 2026-02-19Repository: https://github.com/chu2bard/pinion-os Category: AI Agent Economy
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Lightning.Pub
The Nostr Native Lightning node, share your node with nostr accounts and connect easily to webapps.
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bitcoin-ux
💅💸 Ongoing assessment of bitcoin payments and privacy UX for @BitcoinDesign Community as well as tools to help designers understand the underlying protocols and specifications.
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sig4sats-script
Atomic exchange of Cashu payments for Nostr event signatures using Schnorr adaptor signatures
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Project mention: Why I Built an AI-First Freelance Marketplace (And What I Learned) | dev.to | 2026-02-14
Payments: Crypto-friendly via coinpayportal.com (another project of mine — non-custodial crypto payments)
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Project mention: Show HN: Paymug – Self-host LemonSqueezy / Polar alternative | news.ycombinator.com | 2026-08-20
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pay-kit
One typed TypeScript SDK over Paystack and Flutterwave: charge, verify, refund, pay out, split, and verify webhooks, with automatic provider fallback and a keyless mock provider.
Project mention: I built pay-kit, an SDK that unifies Paystack and Flutterwave | dev.to | 2026-07-24 -
cryptochief-crypto-processing-node
Official Node.js and TypeScript SDK for the Crypto Chief crypto payment gateway and crypto processing API: accept crypto payments, send single and mass crypto payouts, sign on-chain transactions and contract calls, manage wallets, and verify webhooks across Ethereum, Tron, TON, Solana, Bitcoin, XRP and 20+ blockchains.
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Project mention: Show HN: BoltzPay – fetch() that pays for AI agents (x402 and L402) | news.ycombinator.com | 2026-03-12
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
TypeScript Payments discussion
TypeScript Payments related posts
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Show HN: Open-source Stripe Connect alternative
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x402 Signs the Money, Not the URL. I Checked 18 Fields.
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How I let AI agents pay for APIs per call (the HTTP 402 path)
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AI Agents Can Now Pay for APIs Automatically — No Credit Cards, No OAuth
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How We Replaced Our x402 Payment Facilitator in a Single Afternoon
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How to Give Your AI Agent Niche Research Superpowers with x402 Micropayments
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Agent Payment Protocols Compared: x402 vs ACP vs Escrow-based Settlement
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A note from our sponsor - AppSignal
www.appsignal.com | 10 Sep 2026
Index
What are some of the best open-source Payment projects in TypeScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | bigcapital | 3,882 |
| 2 | stripe-react-native | 1,428 |
| 3 | zeus | 1,398 |
| 4 | easy-invoice-pdf | 1,089 |
| 5 | helix | 828 |
| 6 | RTL | 798 |
| 7 | adyen-web | 254 |
| 8 | wildberry | 211 |
| 9 | medusa-plugins | 183 |
| 10 | vue-stripe-js | 182 |
| 11 | x402 | 150 |
| 12 | vratix-expressjs-api-modules | 139 |
| 13 | pinion-os | 96 |
| 14 | Lightning.Pub | 94 |
| 15 | bitcoin-ux | 41 |
| 16 | sig4sats-script | 18 |
| 17 | coinpayportal | 18 |
| 18 | paymug | 15 |
| 19 | BLFS | 14 |
| 20 | pay-kit | 11 |
| 21 | cryptochief-crypto-processing-node | 7 |
| 22 | boltzpay | 6 |
| 23 | PubPay | 5 |
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APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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