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.

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.

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

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.

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

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

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.

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

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

Interswitch is Nigeria's foundational digital payments and transaction-switching company, founded in 2002 and regulated by the Central Bank of Nigeria. It owns the Verve card scheme (Africa's first domestic EMV chip-and-PIN brand), the Quickteller consumer and business payments platform, the Webpay / Web Checkout gateway, the Paycode cardless…

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

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.