payment-infrastructure

TypeScript SDK for the π-SPI Business API.

An ongoing & curated collection of awesome software best practices and techniques, libraries and frameworks, E-books and videos, websites, blog posts, links to github Repositories, technical guidelines and important resources about PCI DSS Compliance Standard in Cybersecurity.

A curated list of platforms, APIs, tools, standards, and learning resources for payments.

Complyr is a private audit infrastructure for onchain business payments.

MCP-native pay-per-tool-call micropayments for AI agents (Solana + USDC + x402)

AI financial action infrastructure for African payment rails, with MCP tools, M-Pesa/Daraja integration, approvals, auditability, Redis rate limiting, PostgreSQL persistence, and a React operator dashboard.

Daily signals for agentic payment infrastructure, stablecoin rails, wallets, risk, compliance, and agent-executable commerce.

Infrastructure backend for crypto payment orchestration that enables merchants to create pay orders, generate route-backed payment details, and process on-chain transactions through a FastAPI + PostgreSQL service.

Post-quantum-ready compliance ledger for AI agent payments. AP2/ACP/x402-compatible SpendEnvelopes signed with ML-DSA-65 (FIPS 204). Built for the HKMA Quantum Preparedness Index era.

Legacy callback vs. autonomous x402 settlement: a complexity comparison. Quantifies the 100% reduction in state management code when moving to programmable payment settlement.

EDGE Markets builds financial infrastructure for high-throughput gaming and trading environments, positioning itself as the "financial backbone for a new asset class." Its product line spans EDGE Boost, a high-limit debit platform (up to a $1,000,000 daily limit) with built-in responsible-gaming controls and activity tracking; EDGE Connect, a…

The dedicated virtual account infrastructure on Nomba: per-customer provisioning, inbound transfer reconciliation, and a clean webhook API for downstream teams.

Meso is payment infrastructure designed for crypto. Backed by Ribbit Capital, the company is positioned as a payments-rails provider for the cryptocurrency sector. As of this enrichment pass its public web presence is a single-page marketing site at meso.network with no publicly documented developer portal, API reference, or OpenAPI definition…

Precium is a South African fintech that provides local payment infrastructure for global merchants expanding into Africa. Its enterprise-grade platform handles payment processing across cards, instant EFT, mobile wallets and debit orders, plus intelligent smart routing, network tokenization, automated reconciliation, cross-border settlement, and…

Non-custodial crypto payment gateway. Accept BTC, ETH, USDC, USDT at 0.8% flat. Stripe-compatible API, instant on-chain settlement, no chargebacks.

Agent payment infrastructure MCP server — charge, refund, escrow, subscriptions, webhooks. 69 tools for autonomous agent payments.

Architecture examples for payout orchestration, stablecoin settlement, financial ledgers, and modern fintech infrastructure.

💳 Enable instant fund transfers across West Africa with the π-SPI SDK for real-time payment processing and cross-border transactions.

Three-stage migration from Lithic webhook rails to native x402 settlement on Base. Removes 100% of state management code. Benchmarked with Toxiproxy under African network conditions.

Depay (Depayments S.A.) is a Latin American cross-border payment infrastructure company that connects banks, wallets, and fintechs to the region's instant payment rails through a single API integration, enabling real-time international payments with settlement in local currency.