Agent Payment Protocols AI Agents
Infrastructure enabling AI agents to autonomously send and receive payments, settle transactions, and access pay-per-use APIs through standardized payment rails and micropayment protocols. Does NOT include general cryptocurrency wallets, trading systems, or financial analysis tools.
There are 153 agent payment protocols agents tracked. The highest-rated is dabit3/a2a-x402-typescript at 47/100 with 101 stars.
Get all 153 projects as JSON
curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=agents&subcategory=agent-payment-protocols&limit=20"
Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.
| # | Agent | Score | Tier |
|---|---|---|---|
| 1 |
dabit3/a2a-x402-typescript
A complete TypeScript implementation of the Python x402 payment protocol... |
|
Emerging |
| 2 |
Yaqing2023/moltspay
Blockchain payment infrastructure for AI Agents |
|
Emerging |
| 3 |
worldliberty/agentpay-sdk
An open SDK for agentic payments. Let AI agents make payments, hold funds,... |
|
Emerging |
| 4 |
bolivian-peru/marketplace-service-template
Proxies.sx marketplace where your agents can earn money by building services... |
|
Emerging |
| 5 |
Fewsats/proxy402
URL shortener |
|
Emerging |
| 6 |
AetherCore-Dev/ag402
Zero latency! Zero code change! Empower your AI agent with payment ability... |
|
Emerging |
| 7 |
xpaysh/docs
Official documentation for {xpay✦}. Learn how to monetize, manage, and... |
|
Emerging |
| 8 |
AgentlyHQ/aixyz
Payment-native SDK for AI Agent. MCP, x402 payments, and ERC-8004 identity... |
|
Emerging |
| 9 |
leventilo/boltzpay
Give your AI agents a fetch() that pays. Multi-protocol, multi-chain, open source. |
|
Emerging |
| 10 |
aibtcdev/aibtc-mcp-server
Bitcoin-native MCP server for AI agents: BTC/STX wallets, DeFi yield, sBTC... |
|
Emerging |
| 11 |
casaislabs/AutonomiX
AutonomiX is a Web3 platform combining x402 micropayments and ERC-8004 agent... |
|
Emerging |
| 12 |
x402nano/helper
Helper module for Nano x402 Clients, Resource Servers and Facilitators |
|
Emerging |
| 13 |
krkmu/xrpl-mpp-sdk
XRPL suport for MPP. |
|
Emerging |
| 14 |
SylvainCostes/fastapi-mpp
FastAPI middleware for Machine Payments Protocol (MPP). Add 402 Payment... |
|
Emerging |
| 15 |
ds1/pincerpay
Open source on-chain USDC payment gateway for AI agents. x402 protocol. |
|
Emerging |
| 16 |
springmint/x402-payment
Base skill for x402 payment protocol — teach any AI agent to pay for HTTP... |
|
Emerging |
| 17 |
refined-element/l402-dotnet
Auto-paying L402 HTTP client for .NET — three lines of code and paid APIs just work |
|
Emerging |
| 18 |
x402nano/exact
Implementation of exact scheme for fixed-amount Nano (XNO) payments over... |
|
Emerging |
| 19 |
xmr402/xmr402-org
XMR402 is an open, neutral standard for internet-native payments. It... |
|
Emerging |
| 20 |
kimbo128/DRAIN
Decentralized Runtime for AI Networks - Trustless micropayments for AI agents |
|
Emerging |
| 21 |
refined-element/l402-requests
Auto-paying L402 HTTP client for Python — APIs behind Lightning paywalls just work |
|
Emerging |
| 22 |
AbdelStark/l402-shield
L402 demo webapp. |
|
Emerging |
| 23 |
AI-Robotic-Labs/payment-automatic
AI Agent for payments automatic |
|
Emerging |
| 24 |
aiagenta2z/agent_a2z_payment
AgentA2Z Payment SDK Integration Stripe Paypal Alipay WeChat and more into... |
|
Experimental |
| 25 |
piotrjura/nickel
simple credit-based billing for AI era |
|
Experimental |
| 26 |
aws-samples/sample-agentic-serverless-payments
An open-source, serverless and agentic design for pay-per-use AI content... |
|
Experimental |
| 27 |
AgentPayy/agentpayy-platform
The OpenClaw Native Payment Layer: Empowering agents to earn, store, and... |
|
Experimental |
| 28 |
JinTanba/OmniAPI
x402 payment |
|
Experimental |
| 29 |
BlockRunAI/blockrun-agent-wallet
Real-time X/Twitter data (15 endpoints), image generation, and 30+ AI models... |
|
Experimental |
| 30 |
TasnidChain/APITOLL
The commerce layer for the x402 agent economy — micropayments for AI agents... |
|
Experimental |
| 31 |
FlechetteLabs/Tollbooth
A transparent proxy system for inspecting, debugging, and modifying any... |
|
Experimental |
| 32 |
skillcrypt-alt/xmtp-paywall
USDC payments over XMTP. |
|
Experimental |
| 33 |
ASGCompute/asgcard-public
Virtual MasterCards for AI agents - pay with USDC via x402 on Stellar |
|
Experimental |
| 34 |
0xsupremedev/solwave-x402-adk
SolWave - AI-Powered Payments for the Autonomous Web. Complete platform for... |
|
Experimental |
| 35 |
KYC-rip/ripley-guard-ts
Industrial-grade Monero payment gating for modern APIs. IETF-compliant,... |
|
Experimental |
| 36 |
mkmkkkkk/paysentry
The missing control plane for AI agent payments. Observe, control, protect,... |
|
Experimental |
| 37 |
kmatthewsio/AgenticCommerce
x402 payment protocol implementation in .NET - enable AI agents to pay for... |
|
Experimental |
| 38 |
koriyoshi2041/agent-tipjar
The simplest way for AI agents to accept crypto tips. USDC on Base. |
|
Experimental |
| 39 |
anilkaracay/Caypo
Agent finance on institutional rails — MPP payments, USDCx transfers, MCP server, CLI |
|
Experimental |
| 40 |
fracabu/Agent-PayMind
PayMind is an AI payment reminder system that autonomously analyzes... |
|
Experimental |
| 41 |
yashksaini-coder/AgentPay
Decentralized P2P micropayment channels for autonomous AI agents |
|
Experimental |
| 42 |
zenith-hq/zenithpay-xlayer
Spend Governance Layer for AI Agents |
|
Experimental |
| 43 |
primsh/prim.sh
Infrastructure primitives for autonomous agents. No signup. No GUI. No KYC.... |
|
Experimental |
| 44 |
Dexter-DAO/clawdexter
x402 payments + marketplace for OpenClaw agents. Search the OpenDexter... |
|
Experimental |
| 45 |
alokemajumder/OpenAgentPay
Open-source payment orchestration for AI agents. 17 packages — 14 routing ... |
|
Experimental |
| 46 |
bitrefill/awesome-agentic-payments
A curated list of protocols, specs, SDKs, and tools powering the emerging... |
|
Experimental |
| 47 |
valeo-cash/v402
Non-custodial payment protocol for AI agents on Solana — capability-scoped... |
|
Experimental |
| 48 |
jarrodwatts/scuttlepay
A bank account for AI agents. Give your AI agent its own wallet with... |
|
Experimental |
| 49 |
clawletxyz/clawlet
Spend controls for AI agents. Set limits, block services, audit every... |
|
Experimental |
| 50 |
RequestTap/RequestTap-Router
Open Source x402 API Router. Instantly turn any API into a USDC... |
|
Experimental |
| 51 |
azeth-protocol/common
Shared types, constants, ABIs, and errors for Azeth — trust infrastructure... |
|
Experimental |
| 52 |
azeth-protocol/cli
CLI for Azeth — register, discover, pay, and manage machine participants |
|
Experimental |
| 53 |
azeth-protocol/provider
x402 service provider tooling for Azeth — gate Hono endpoints behind x402 payments |
|
Experimental |
| 54 |
plagtech/spraay-stripe-machine-payments
Hybrid x402 + Stripe machine payments: agents pay USDC via x402, Spraay... |
|
Experimental |
| 55 |
Abba-Baba/abbababa-sdk
TypeScript SDK for Abba Baba A2A settlement — discover, hire, and pay agents on-chain |
|
Experimental |
| 56 |
jeletor/lightning-agent
Lightning payments for AI agents. Two functions: charge and pay. Built on NWC. |
|
Experimental |
| 57 |
Eniitanire/ag402
Provide a secure payment layer that enables AI agents to handle transactions... |
|
Experimental |
| 58 |
crypmancer/x402-AgentPay
Pay‑per‑use AI image generator with x402 (HTTP 402) micropayments using USDC... |
|
Experimental |
| 59 |
forgesworn/402-announce
Announce HTTP 402 services on Nostr for decentralised discovery. Kind 31402... |
|
Experimental |
| 60 |
Ster-bot/x402
💸 Enable seamless, low-cost digital dollar payments with x402—zero fees,... |
|
Experimental |
| 61 |
forgesworn/toll-booth
Any API becomes a Lightning toll booth in one line. L402 middleware for... |
|
Experimental |
| 62 |
TollwayProtocol/Tollway
robots.txt rebuilt for the agentic era — identity, policy, and micropayments... |
|
Experimental |
| 63 |
isac-0000/x402Nano-API
💳 Streamline your Nano cryptocurrency transactions with our flexible payment... |
|
Experimental |
| 64 |
routexcc/routex
Multi-chain settlement cost router for the x402 payment protocol. Selects... |
|
Experimental |
| 65 |
Upn-130guthub/x402-cfo
Spend control plane for autonomous agent payments. Pre-payment anomaly... |
|
Experimental |
| 66 |
0xsl1m/langchain-cerebrus-pulse
LangChain tools for Cerebrus Pulse — give AI agents real-time crypto... |
|
Experimental |
| 67 |
echofield/symi-one
conditional payment execution primitive. Release payments when conditions are true. |
|
Experimental |
| 68 |
PayNodeLabs/paynode-sdk-python
Python SDK for AI Agents to autonomously handle HTTP 402 errors and execute... |
|
Experimental |
| 69 |
goodmeta/agent-verifier
Agent spending verification — budget caps, spending policies, and... |
|
Experimental |
| 70 |
xenarch-ai/pay-json
pay.json open standard — machine-readable pricing for AI agents. The... |
|
Experimental |
| 71 |
ElromEvedElElyon/sovereign-agent-chain
Bitcoin-native AI agent marketplace — 32 MCP tools, 312 tests, PSBT signing,... |
|
Experimental |
| 72 |
HaveBlue997/l402-apis
L402 Agent API Gateway — Pay-per-request data APIs and LLM inference for AI... |
|
Experimental |
| 73 |
jordiagi/danke-agent
SDK for AI agents to earn and send sats on the Danke gratitude network |
|
Experimental |
| 74 |
LarryCollinsAka/pulselegder
AI-powered agentic treasury for borderless African trade. Navigating... |
|
Experimental |
| 75 |
Xenian84/x1pays
AI payment infrastructure for X1 blockchain. SDK, DEX, x402 middleware,... |
|
Experimental |
| 76 |
Wintyx57/x402-bazaar-cli
One-command setup for x402 Bazaar: npx x402-bazaar init. Auto-configures MCP... |
|
Experimental |
| 77 |
up2itnow0822/x402-testnet-server
X402 testnet server for developing and testing agent-to-agent payment flows |
|
Experimental |
| 78 |
Wintyx57/x402-langchain
LangChain tools for x402 Bazaar — AI agent API marketplace using HTTP 402 |
|
Experimental |
| 79 |
nguyenleduydev/x402
💸 Simplify payments with x402, an open protocol for fast, fee-free digital... |
|
Experimental |
| 80 |
sweeinc/sweefi
Open-source agentic payment infrastructure for Sui — HTTP 402 + Move smart contracts |
|
Experimental |
| 81 |
kmatthewsio/crewai-x402
CrewAI integration for x402 payments - autonomous agent crews that pay for... |
|
Experimental |
| 82 |
grimn0va/boltzpay
Enable AI agents to access paid APIs across multiple protocols and chains... |
|
Experimental |
| 83 |
AtepTepar001/paysentry
💳 Control AI agent payments with spending limits, circuit breakers, and... |
|
Experimental |
| 84 |
ifenpay/ifenpay-agent-example
ifenpay-agent-example-private is a reference implementation showing how to... |
|
Experimental |
| 85 |
aybruhm/safe-agentic-payment-system
A proof-of-concept safe agentic payment system that autonomously initiates... |
|
Experimental |
| 86 |
darklrd/x402-toolkit
Paywalled HTTP tools for agents using x402 (HTTP 402): auto-handle 402 → pay... |
|
Experimental |
| 87 |
itskai-dev/openclaw-usdc-hackathon-2026
Agent-to-Agent USDC Payments Demo - OpenClaw USDC Hackathon 2026 |
|
Experimental |
| 88 |
pranit-garg/Dispatch
Decentralized AI compute marketplace. Agents pay USDC, workers earn BOLT.... |
|
Experimental |
| 89 |
cascade-protocol/surf
Pay-per-use API gateway for AI agents. Inference, Twitter, and web APIs paid... |
|
Experimental |
| 90 |
TheCryptoDonkey/toll-booth
Any API becomes a Lightning toll booth in one line. L402 middleware for... |
|
Experimental |
| 91 |
kmatthewsio/langchain-x402
LangChain integration for x402 payments - let AI agents pay for APIs with... |
|
Experimental |
| 92 |
s402-protocol/core
s402 — Sui-native HTTP 402 protocol. Wire-compatible with x402. Atomic... |
|
Experimental |
| 93 |
x402nano/facilitator
x402 Protocol Facilitator for the Nano network |
|
Experimental |
| 94 |
picoads/eliza-plugin
Eliza plugin for picoads — the micro ad network for AI agents. Register,... |
|
Experimental |
| 95 |
enderzcx/KITE-GASLESS
KiteTrace Platform: agent-native micropayment rails on Kite Testnet, using... |
|
Experimental |
| 96 |
mariusfit/x402-payment-gateway
HTTP 402 Payment Required middleware — monetize AI agent APIs with per-call... |
|
Experimental |
| 97 |
Wintyx57/n8n-nodes-x402-bazaar
n8n community node for x402 Bazaar — access 70+ APIs with automatic USDC... |
|
Experimental |
| 98 |
hexdaemon/hexnuts
A lightweight Cashu ecash wallet for AI agents 🥜 |
|
Experimental |
| 99 |
Wintyx57/x402-community-agent
AI-powered multi-network community manager for x402 Bazaar — uses x402 APIs... |
|
Experimental |
| 100 |
Wintyx57/x402-express-template
Monetize any Express API with zero-gas USDC micropayments via x402 protocol... |
|
Experimental |
| 101 |
jeletor/discourse-toll
L402 micropayment middleware for discourse — trust-weighted, progressive... |
|
Experimental |
| 102 |
jeletor/lightning-mcp
MCP server giving AI agents Lightning payments, L402 API access, trust... |
|
Experimental |
| 103 |
the911fund/x402-docs
Trading intelligence for AI agents. Pay-per-use via x402 micropayments on Base. |
|
Experimental |
| 104 |
botwallet-co/agent-cli
Dedicated CLI for AI agents to earn, pay, and participate in the AI economy.... |
|
Experimental |
| 105 |
azeth-protocol/sdk
TypeScript SDK for Azeth — smart accounts, x402 payments, reputation, and... |
|
Experimental |
| 106 |
stubbies/gatekeeper-edge-proxy
A Cloudflare Worker that sits in front of your website and enforces HTTP 402... |
|
Experimental |
| 107 |
LinusChestnut/agent-wallet
MCP service that lets AI agents make purchases with human-in-the-loop... |
|
Experimental |
| 108 |
Wintyx57/x402-sdk
TypeScript SDK for x402 Bazaar — 3-line integration for AI agents to use 71+... |
|
Experimental |
| 109 |
Moudaxx/AEGIS-Pay
Secure Payment Layer for AI Agents — x402 + EIP-3009 + USDC. Built on AEGIS OS. Rust. |
|
Experimental |
| 110 |
up2itnow0822/ap2-payment-handler
X402 payment handler for AI agent payment flows — middleware for... |
|
Experimental |
| 111 |
BidurS/newsriver-showcase
NewsRiver Intelligence — Autonomous AI agent with x402 micropayments,... |
|
Experimental |
| 112 |
CyberpayOrg/NanoPay
NanoPay — TON nano-payment gateway with TEE aggregator |
|
Experimental |
| 113 |
Bountydotmoney/bountySDK
standalone SDK for interacting with the Bounty platform programmatically |
|
Experimental |
| 114 |
hausorlabs/paystream-ai
Paystream AI eliminates manual payroll processing by combining artificial... |
|
Experimental |
| 115 |
OnChainMee/payment-enabled-agent-x402
Transform any AI agent into a payment-enabled agent using x402 + CDP. MCP... |
|
Experimental |
| 116 |
DenisTheM/monapi
One-line API monetization for AI agents. Pay-per-request USDC payments via... |
|
Experimental |
| 117 |
xfgod/bscbuytoken
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 |
|
Experimental |
| 118 |
PayNodeLabs/paynode-ai-skills
Official AI agent tools for the PayNode x402 protocol. Equip your agents... |
|
Experimental |
| 119 |
jtchien0925/agent-gofundme
Programmable crowdfunding for AI agents. Multi-chain USDC payments via... |
|
Experimental |
| 120 |
vjshaw/nulucre-agents
AI infrastructure agents with x402 micropayments on Base — Reputation Oracle... |
|
Experimental |
| 121 |
fernsugi/x402-api-server
x402 protocol API server — pay-per-call DeFi data endpoints using USDC... |
|
Experimental |
| 122 |
lordbasilaiassistant-sudo/thryx-elizaos
ElizaOS plugin for ThryxProtocol — 5 actions: launch, buy, sell, claim, info on Base |
|
Experimental |
| 123 |
bhooshanvarma/layer3x-platform
Execution control for AI-driven payments |
|
Experimental |
| 124 |
DrGalio/demaciains-paywall
x402 USDC paywall for Demaciains AI agent digital products on Base |
|
Experimental |
| 125 |
Yaqing2023/moltspay-eliza-plugin
MoltsPay plugin for ElizaOS - x402 protocol payment integration |
|
Experimental |
| 126 |
rplryan/x402-routenet
Smart routing for x402 micropayments — multi-provider fallback,... |
|
Experimental |
| 127 |
nullpath-labs/agent-starter-node
Minimal nullpath agent starter (Node + Express). Register, execute, get paid... |
|
Experimental |
| 128 |
Ridwannurudeen/usdc-agent-wallet
🤖 USDC wallet management skill for OpenClaw agents - Circle USDC Hackathon |
|
Experimental |
| 129 |
thomasfou/payclaw
Agent-to-Agent payments via x402 protocol with USDC - OpenClaw skill for the... |
|
Experimental |
| 130 |
0xtaozi/moltmatch-solana
Solana commerce layer for AI dating agents — Blinks, Solana Pay, Circle USDC... |
|
Experimental |
| 131 |
wizerai1111/sharpsignal
Prediction Market Edge Intelligence — Pay Per Query. x402 USDC-gated AI API on Base. |
|
Experimental |
| 132 |
valeo-cash/x402-enterprise-compliance
Production-ready x402 agent setup with audit trails, scheduled reports, and... |
|
Experimental |
| 133 |
KokoFinance/examples
Credit card intelligence in 5 minutes — examples for the Koko Finance API &... |
|
Experimental |
| 134 |
0xatsupon/ai-api
Paid API for AI agents — web extraction, finance, weather, news, geocoding &... |
|
Experimental |
| 135 |
Robocular/ai-research-agent-x402
AI research agent with x402 micropayments — search, scrape, summarize for... |
|
Experimental |
| 136 |
jesusbgwork-hub/ai-agent-directory
Pay-per-use B2A discovery API for AI agents — built on x402 (USDC... |
|
Experimental |
| 137 |
valeo-cash/x402-fleet-manager
Run 5 AI agents with per-agent budgets, Slack alerts, and audit trails. |
|
Experimental |
| 138 |
fatihdagustu20-hub/x402-api-network
Micropayment-powered API network for AI agents. 16 endpoints, USDC on Base... |
|
Experimental |
| 139 |
aetherllama/agentic-payments-demo
Agentic Payments Protocol Demo - Interactive comparison of ACP, AP2, x402,... |
|
Experimental |
| 140 |
echennells/sparkbtcbot-proxy
Serverless proxy that gives AI agents scoped access to a Spark Bitcoin L2... |
|
Experimental |
| 141 |
MINDFORHIRE/mindforhire
An autonomous AI agent that sells inference — and earns its own existence.... |
|
Experimental |
| 142 |
zakyafrilliansyah/RequestTap-Router
🚦 Enable APIs as USDC pay-per-request services for AI with the open-source... |
|
Experimental |
| 143 |
tim1771/worklocal-ai
Paid API for AI agents — AI tool reviews, industry benchmarks, training... |
|
Experimental |
| 144 |
valeo-cash/x402-langchain-agent
LangChain research agent that pays for data via x402. Every payment audited... |
|
Experimental |
| 145 |
trevorflipper/x402-multichain-gateway
Pay-per-call NEAR, Solana & Base blockchain data API via x402 USDC... |
|
Experimental |
| 146 |
aiindigo925/bounties
The Sovereign Hunter: A collection of production-grade AI agent and... |
|
Experimental |
| 147 |
krumpybot/financial-oracles-gateway
x402-native financial data gateway: SEC, Treasury, Forex, Stocks, Crypto,... |
|
Experimental |
| 148 |
ghilp934/Decisionproof
Payment-based API platform for AI agents — run multi-step workloads with... |
|
Experimental |
| 149 |
AI-Hub-Admin/awesome-in-agent-payment
A Resource Collection of Awesome In Agent Payment and Purchase Resources |
|
Experimental |
| 150 |
aiindigo925/btcfi-api
Bitcoin data for AI agents. Pay-per-query via x402 micropayments. No API... |
|
Experimental |
| 151 |
bolivian-peru/x402-sdk
x402 SDK for AI agent payments - Base & Solana USDC micropayments |
|
Experimental |
| 152 |
TheGreatAxios/string-utils
x402 Enabled String Utilities Server |
|
Experimental |
| 153 |
bolivian-peru/proxies-sx-lucid
Lucid Agents extension for Proxies.sx mobile proxies — x402 USDC micropayments |
|
Experimental |