Agent Payment Protocols AI Agents

Blockchain payment infrastructure for AI Agents

A complete TypeScript implementation of the Python x402 payment protocol...

An open SDK for agentic payments. Let AI agents make payments, hold funds,...

Proxies.sx marketplace where your agents can earn money by building services...

Payment-native SDK for AI Agent. MCP, x402 payments, and ERC-8004 identity...

FastAPI middleware for Machine Payments Protocol (MPP). Add 402 Payment...

Base skill for x402 payment protocol — teach any AI agent to pay for HTTP...

Zero latency! Zero code change! Empower your AI agent with payment ability...

Give your AI agents a fetch() that pays. Multi-protocol, multi-chain, open source.

Bitcoin-native MCP server for AI agents: BTC/STX wallets, DeFi yield, sBTC...

Implementation of exact scheme for fixed-amount Nano (XNO) payments over...

Auto-paying L402 HTTP client for Python — APIs behind Lightning paywalls just work

AutonomiX is a Web3 platform combining x402 micropayments and ERC-8004 agent...

XRPL suport for MPP.

Open source on-chain USDC payment gateway for AI agents. x402 protocol.

Official documentation for {xpay✦}. Learn how to monetize, manage, and...

XMR402 is an open, neutral standard for internet-native payments. It...

URL shortener

Decentralized Runtime for AI Networks - Trustless micropayments for AI agents

Industrial-grade Monero payment gating for modern APIs. IETF-compliant,...

Auto-paying L402 HTTP client for .NET — three lines of code and paid APIs just work

Real-time X/Twitter data (15 endpoints), image generation, and 30+ AI models...

simple credit-based billing for AI era

An open-source, serverless and agentic design for pay-per-use AI content...

AI Agent for payments automatic

The missing control plane for AI agent payments. Observe, control, protect,...

The OpenClaw Native Payment Layer: Empowering agents to earn, store, and...

AgentA2Z Payment SDK Integration Stripe Paypal Alipay WeChat and more into...

USDC payments over XMTP.

x402 payment

A curated list of protocols, specs, SDKs, and tools powering the emerging...

L402 demo webapp.

Infrastructure primitives for autonomous agents. No signup. No GUI. No KYC....

Non-custodial x402 MCP payment layer for AI agents — the open-source...

Spend Governance Layer for AI Agents

Decentralized P2P micropayment channels for autonomous AI agents

Agent finance on institutional rails — MPP payments, USDCx transfers, MCP server, CLI

Open-source payment orchestration for AI agents. 17 packages — 14 routing ...

TypeScript SDK for Abba Baba A2A settlement — discover, hire, and pay agents on-chain

CLI for Azeth — register, discover, pay, and manage machine participants

x402 service provider tooling for Azeth — gate Hono endpoints behind x402 payments

A transparent proxy system for inspecting, debugging, and modifying any...

The commerce layer for the x402 agent economy — micropayments for AI agents...

TypeScript SDK for Azeth — smart accounts, x402 payments, reputation, and...

Bitcoin Lightning payments for AI apps — MCP server for Claude, Cursor, Windsurf

Dedicated CLI for AI agents to earn, pay, and participate in the AI economy....

x402 payment protocol implementation in .NET - enable AI agents to pay for...

Virtual MasterCards for AI agents - pay with USDC via x402 on Stellar

Shared types, constants, ABIs, and errors for Azeth — trust infrastructure...

LangChain tools for x402 Bazaar — AI agent API marketplace using HTTP 402

Pay-per-use API gateway for AI agents. Inference, Twitter, and web APIs paid...

X402 testnet server for developing and testing agent-to-agent payment flows

The simplest way for AI agents to accept crypto tips. USDC on Base.

Provide a secure payment layer that enables AI agents to handle transactions...

X402 payment handler for AI agent payment flows — middleware for...

MCP service that lets AI agents make purchases with human-in-the-loop...

TypeScript SDK for x402 Bazaar — 3-line integration for AI agents to use 71+...

Secure Payment Layer for AI Agents — x402 + EIP-3009 + USDC. Built on AEGIS OS. Rust.

Python SDK for AI Agents to autonomously handle HTTP 402 errors and execute...

Multi-chain payment protocol for AI agents — BTC/ETH/SOL, 20 MCP tools, 161 tests

Agent spending verification — budget caps, spending policies, and...

pay.json open standard — machine-readable pricing for AI agents. The...

Bitcoin-native AI agent marketplace — 32 MCP tools, 312 tests, PSBT signing,...

L402 Agent API Gateway — Pay-per-request data APIs and LLM inference for AI...

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

SDK for AI agents to earn and send sats on the Danke gratitude network

Enable AI agents to access paid APIs across multiple protocols and chains...

Paywalled HTTP tools for agents using x402 (HTTP 402): auto-handle 402 → pay...

Monetize any Express API with zero-gas USDC micropayments via x402 protocol...

Hybrid x402 + Stripe machine payments: agents pay USDC via x402, Spraay...

Lightweight multi-chain payments — 0.1% flat fee, 18 MCP tools, 144 tests

x402 Protocol Facilitator for the Nano network

s402 — Sui-native HTTP 402 protocol. Wire-compatible with x402. Atomic...

💸 Simplify payments with x402, an open protocol for fast, fee-free digital...

Any API becomes a Lightning toll booth in one line. L402 middleware for...

Open-source agentic payment infrastructure for Sui — HTTP 402 + Move smart contracts

Eliza plugin for picoads — the micro ad network for AI agents. Register,...

💳 Control AI agent payments with spending limits, circuit breakers, and...

One-command setup for x402 Bazaar: npx x402-bazaar init. Auto-configures MCP...

curl for x402 paid APIs. CLI + MCP proxy that auto-pays any endpoint on Base...

n8n community node for x402 Bazaar — access 70+ APIs with automatic USDC...

AI-powered multi-network community manager for x402 Bazaar — uses x402 APIs...

Announce HTTP 402 services on Nostr for decentralised discovery. Kind 31402...

💸 Enable seamless, low-cost digital dollar payments with x402—zero fees,...

Any API becomes a Lightning toll booth in one line. L402 middleware for...

robots.txt rebuilt for the agentic era — identity, policy, and micropayments...

💳 Streamline your Nano cryptocurrency transactions with our flexible payment...

Multi-chain settlement cost router for the x402 payment protocol. Selects...

Spend control plane for autonomous agent payments. Pre-payment anomaly...

LangChain tools for Cerebrus Pulse — give AI agents real-time crypto...

conditional payment execution primitive. Release payments when conditions are true.

A bank account for AI agents. Give your AI agent its own wallet with...

Non-custodial payment protocol for AI agents on Solana — capability-scoped...

Spend controls for AI agents. Set limits, block services, audit every...

Open Source x402 API Router. Instantly turn any API into a USDC...

x402 payments + marketplace for OpenClaw agents. Search the OpenDexter...

Agent-to-Agent USDC Payments Demo - OpenClaw USDC Hackathon 2026

SolWave - AI-Powered Payments for the Autonomous Web. Complete platform for...

Pay‑per‑use AI image generator with x402 (HTTP 402) micropayments using USDC...

Helper module for Nano x402 Clients, Resource Servers and Facilitators

MCP server for USDC payments on Base - Enable any Claude Code agent to send...

Lightning payments for AI agents. Two functions: charge and pay. Built on NWC.

Trading intelligence for AI agents. Pay-per-use via x402 micropayments on Base.

standalone SDK for interacting with the Bounty platform programmatically

Decentralized AI compute marketplace. Agents pay USDC, workers earn BOLT....

AI payment infrastructure for X1 blockchain. SDK, DEX, x402 middleware,...

KiteTrace Platform: agent-native micropayment rails on Kite Testnet, using...

A lightweight Cashu ecash wallet for AI agents 🥜

CrewAI integration for x402 payments - autonomous agent crews that pay for...

A Cloudflare Worker that sits in front of your website and enforces HTTP 402...

Typescript type definitions and Zod schemas for x402 payment protocol Nano...

ifenpay-agent-example-private is a reference implementation showing how to...

A proof-of-concept safe agentic payment system that autonomously initiates...

AI-powered agentic treasury for borderless African trade. Navigating...

Example integrations using the Lightning Wallet MCP server for AI agent payments

HTTP 402 Payment Required middleware — monetize AI agent APIs with per-call...

MCP server giving AI agents Lightning payments, L402 API access, trust...

L402 micropayment middleware for discourse — trust-weighted, progressive...

LangChain integration for x402 payments - let AI agents pay for APIs with...

PayMind is an AI payment reminder system that autonomously analyzes...

企业级 BSC 支付网关，支持 BNB/USDT/USDC 支付，x402 协议支持 AI 自动交易

NanoPay — TON nano-payment gateway with TEE aggregator

One-line API monetization for AI agents. Pay-per-request USDC payments via...

NewsRiver Intelligence — Autonomous AI agent with x402 micropayments,...

Paystream AI eliminates manual payroll processing by combining artificial...

Execution control for AI-driven payments

x402 USDC paywall for Demaciains AI agent digital products on Base

Credit card intelligence in 5 minutes — examples for the Koko Finance API &...

🚦 Enable APIs as USDC pay-per-request services for AI with the open-source...

Paid API for AI agents — web extraction, finance, weather, news, geocoding &...

Smart routing for x402 micropayments — multi-provider fallback,...

Official AI agent tools for the PayNode x402 protocol. Equip your agents...

Programmable crowdfunding for AI agents. Multi-chain USDC payments via...

Transform any AI agent into a payment-enabled agent using x402 + CDP. MCP...

AI infrastructure agents with x402 micropayments on Base — Reputation Oracle...

MoltsPay plugin for ElizaOS - x402 protocol payment integration

ElizaOS plugin for ThryxProtocol — 5 actions: launch, buy, sell, claim, info on Base

x402 protocol API server — pay-per-call DeFi data endpoints using USDC...

ArcPay solves the problem of "Blockchain Complexity" by using AI to...

AI research agent with x402 micropayments — search, scrape, summarize for...

🤖 USDC wallet management skill for OpenClaw agents - Circle USDC Hackathon

Serverless proxy that gives AI agents scoped access to a Spark Bitcoin L2...

An autonomous AI agent that sells inference — and earns its own existence....

LangChain research agent that pays for data via x402. Every payment audited...

Pay-per-call NEAR, Solana & Base blockchain data API via x402 USDC...

Prediction Market Edge Intelligence — Pay Per Query. x402 USDC-gated AI API on Base.

The Sovereign Hunter: A collection of production-grade AI agent and...

x402-native financial data gateway: SEC, Treasury, Forex, Stocks, Crypto,...

Production-ready x402 agent setup with audit trails, scheduled reports, and...

Micropayment-powered API network for AI agents. 16 endpoints, USDC on Base...

Pay-per-use B2A discovery API for AI agents — built on x402 (USDC...

Payment-based API platform for AI agents — run multi-step workloads with...

Lucid Agents extension for Proxies.sx mobile proxies — x402 USDC micropayments

Bitcoin data for AI agents. Pay-per-query via x402 micropayments. No API...

x402 SDK for AI agent payments - Base & Solana USDC micropayments

Paid API for AI agents — AI tool reviews, industry benchmarks, training...

Solana commerce layer for AI dating agents — Blinks, Solana Pay, Circle USDC...

Agentic Payments Protocol Demo - Interactive comparison of ACP, AP2, x402,...

Minimal nullpath agent starter (Node + Express). Register, execute, get paid...

Agent-to-Agent payments via x402 protocol with USDC - OpenClaw skill for the...

Run 5 AI agents with per-agent budgets, Slack alerts, and audit trails.