payments-platform

Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliation

Polar — A billing platform for the intelligence era

On-chain crypto payment platform for individuals and businesses.

The Linux Kernel Of Payments Infrastructures ; Enterprise Payments Aggregator for immutable reliability and forensic auditability. Rooted in Linux principles Of Community . No vendor lock-in—governance, code, and ledger all verifiable. Implements: idempotency, distributed retries, circuit-breaker

Sell digital products on your own terms

The service facilitates payment tracking within the TON blockchain, offering a user-friendly API for generating invoices in multiple currencies (TON, Jettons).

Practical examples of our Embed button, API and Webhooks!

Bringing Web2's subscription simplicity to Web3. Tributary enables any Solana-based business to offer truly automated recurring payments

«Твои платежи»: Интеграция на PHP

Ruby library for the Zai Payment API.

Mega framework focused on providing rapid, well-structured and also free open banking and fintech service

🏎️ The fastest checkout experience in Web3 ⚡

The growth merchant of record for founders selling digital products: checkout, subscriptions, tax, invoices and payouts, with an SDK, a CLI and an MCP server for AI agents.

Decentralized P2P micropayment channels for autonomous AI agents

Soul streams is a payment streaming service on the Solana blockchain

This is demo project with full payment gateway integration in Flutter. I have Properly handle the user cancel payment operations and payment successfull operations.

Non-custodial Bitcoin payment infrastructure. Public docs, integration examples, and a runnable reference you can verify yourself.

«Твои платежи»: Интеграция на Go

«Твои платежи»: Интеграция на Python

Lunoss Pay is a full-stack payment gateway on Solana — a single API that takes you from payment creation to on-chain confirmation to webhook delivery, without touching an RPC node. Built for product teams who want to ship crypto payments, not become blockchain engineers.