The agent-native LLM router for autonomous agents. 66 models (8 free), <1ms local routing, USDC payments on Base & Solana via x402.

🚀 Curated list of x402 resources: HTTP 402 Payment Required protocol for blockchain payments, crypto micropayments, AI agents, API monetization. Includes SDKs (TypeScript, Python, Rust), examples, facilitators (Coinbase, Cloudflare), MCP integration, tutorials. Accept USDC payments with one line of code. Perfect for AI agent economy.

Yolfi Agent Kit SDK, CLI, and MCP server for AI coding agents.

QPi-Stablecoin is the official repository for the QPi project, which aims to transform Pi Coin into a quantum-secure stablecoin pegged to the value of $314.159.

Building your first stablecoin payment flow on Arc

The MPP registry — 100+ Machine Payments Protocol tools, SDKs, services, and payment methods across 15+ chains. The definitive directory for Stripe + Tempo agent payments.

Programmable Wallets for Salesforce, powered by Circle Programmable Wallets, is an open source solution built on Circle Programmable Wallet technology to operating 100% within the Salesforce ecosystem.

USDZ BEP20 Stablecoin. It is pegged to BUSD. Universal solution for payments, remittance, banking, trading, and many other business applications

Not just a crypto wallet 🌏 ₿ #doyourownresearch

Medusa v2 plugin adding UCP and ACP endpoints plus Prism stablecoin payments for AI-agent commerce

lightning payment services for stablecoins

Collateral that can still sell itself — Magpie's x402 agent API: borrow SOL programmatically on Solana.

X402 payment facilitator for AI API billing with Solana USDC and Base USDC support.

Production reference for agentic commerce: protocols (ACP, AP2, x402, MCP), stablecoin rails, agent skills, and the merchant playbooks specs leave out — refunds, multi-chain settlement, catalog discovery, fraud, jurisdiction, receipts. Maintained by Cryptorefills.

Whether you're running an online store or a retail location, we have the tools you need to start accepting crypto payments.

Official MCP server for Agent payment infrastructure for AI agents. MCP server for autonomous stablecoin transfers, currency swaps & agent wallets. Works with Claude, LangChain, CrewAI. Settled on Hedera.

Mini-app for NedaPay. All in one stablecoin platform for payments to offramps

TypeScript SDK for the StableOps API — make payments, manage orders, and verify webhooks.

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Wallet infrastructure SDK for fintechs: MPC wallets, stablecoins (USDC/USDT), mass payouts, invoicing, subscriptions, KYC/KYB, policy controls. 50+ chains. Sign up at https://console.neucron.io