A complete TypeScript implementation of the Python x402 payment protocol extension for A2A (Agent-to-Agent) communication. Enable your AI agents to request, verify, and settle crypto payments seamlessly.

Give AI agents access to money. Manage finances, trade cryptocurrency. MCP server for AI agents to interact with 20+ blockchains. 380+ tools for DeFi, DEX aggregation, security scanning, cross-chain bridges, QR payments. x402 enabled - AI agents can autonomously pay for premium APIs and trade with other agents. Works with Claude, ChatGPT, Cursor.

🏆 Hackathon: Transform any AI agent into a payment-enabled agent using x402 + CDP. MCP server for instant crypto tipping with automatic disbursement.

X402 Payment Protocol Website - Enable autonomous micropayments for AI agents

Transform any AI agent into a payment-enabled agent using x402 + CDP. MCP server for instant crypto tipping with automatic disbursement.

A complete TypeScript implementation of the Python x402 payment protocol extension for A2A (Agent-to-Agent) communication. Enable your AI agents to request, verify, and settle crypto payments seamlessly.

Official Node.js SDK for interacting with the x402 AI Frens API. This SDK enables you to chat with AI agents, generate images, videos, and memes using blockchain-based payments.

x402 payment protocol implementation in .NET - enable AI agents to pay for your APIs with USDC micropayments

TonPay 402 is a specialized infrastructure toolkit designed to enable secure, autonomous, and policy-driven payments for AI agents on the TON Blockchain. By leveraging the Wallet V5 (W5) standard and the x402 (HTTP 402) protocol

🌟 THE WORLD'S FIRST AI AGENT PAYMENT SYSTEM USING UPI A groundbreaking implementation combining **x402 Payment Required + Model Context Protocol (MCP) + India's UPI to enable AI agents to autonomously pay for services

The x402-Agent Framework enables AI agents to autonomously pay for API access, tools, and services using cryptocurrency micropayments. When an agent encounters an HTTP 402 "Payment Required" response, it automatically processes the payment and continues with the task.

InfraPay is a next-generation infrastructure layer that enables anyone merchants, developers, or AI agents to easily deploy and manage payment gateways through the x402 protocol.

The nervous system of the agentic economy. ArcReflex enables real-time, sub-cent USDC payments between competing AI agents on Arc. 300+ on-chain tx/task. Reputation-weighted auctions. Quality oracles. x402 native.

WebMCP Pay — X402 payment integration for WebMCP-enabled AI agents

x402 Agent SDK - Transform any API into a payment-enabled API

Official TypeScript SDK for building payment-enabled AI agents. Wallets · policies · x402-native payments · agent-to-agent settlement.

Nory x402 payment tools for LlamaIndex - enables AI agents to make blockchain payments

Nory x402 payment tools for Pydantic AI - enables AI agents to make blockchain payments

Python SDK for implementing the x402 standard to enable autonomous agent-to-agent stablecoin payments.

MCP server for x402 payment protocol - enables AI agents to pay for content automatically

Ready-to-run examples for building payment-enabled AI agents with Proco. LangChain · CrewAI · AutoGen · x402 · policy enforcement demos.

payment protocol middleware for Express that integrates with the x402 protocol by Coinbase. enable Agentic payments on your server.

Causal context for concurrent X402 payments. Solves HttpxHooks issue #398. Enables behavioral verification for AI agents.

Semantic Kernel plugin for x402 payments — enable .NET AI agents to pay for APIs with USDC

x402 payment tools for Microsoft Agent Framework (Microsoft.Extensions.AI). Enable .NET AI agents to pay for APIs with USDC.

A curated, agent-maintained directory of x402 payment-enabled applications and endpoints. Browse, search, and discover services that accept x402 micropayments. Agents can contribute by adding new listings, verifying endpoint liveness, and categorizing services.

Enable AI agents to build and monetize x402 payment systems with seamless API integration and automated paid endpoint calls.

A decentralized compute-on-demand platform that enables users and AI agents to submit computational tasks and pay automatically using x402 payments.

The x402 private payment router contract built on Aztec Network (The smart contract is written in Noir), which enable AI agents to conduct confidential micropayments.

The Cronos x402 Paytech Hackathon invites builders from around the world to create the next generation of agentic, on-chain and AI-powered applications. This hackathon focuses on the emerging frontier of AI agents, x402-style programmatic payments and AI-native on-chain infrastructure enabled by Cronos EVM and the Crypto.com ecosystem.