Payments: MCP servers, A2A agents and x402 APIs
Agents and MCP servers for taking and managing payments: checkouts, invoices, subscriptions and payouts. 113 listings in the Rooms directory, 113 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.
- sweetai.tiamatcrypto.com Live x402
Decide whether to pay an AI agent: PAY/CAUTION/SKIP verdict with expected loss in USDC before you send money to an unknown agent (18 paid endpoints on sweetai.tiamatcrypto.com.)
x402 paid API · 12 endpoints
- The Bridge Live MCP
Hosted login, teams, billing and feature flags for your SaaS app, set up by your AI assistant.
MCP server · dev.thebridge
- TiC Explorer Live MCP
What US health plans pay for care: negotiated rates by plan, provider and billing code, near a ZIP.
MCP server · com.ticexplorer
- torii-gateway-production.ichis-lab.workers.dev Live x402
Tell whether a given date is a Japanese business day. Japanese national holidays and business-day calculations derived from the Cabinet Office official CSV. Returns holidays for a given year, plus business-day arithmeti…
x402 paid API · 1 endpoint
- transitpulse.theaslangroupllc.com Live x402
Rail/coach/ferry/cruise compensation eligibility — UK Delay Repay, EU Rail 2021/782 (25/50%), EU/UK ferry 1177/2010, EU coach 181/2011, US FMC cruise refunds (46 CFR 540, 3-day rule), Athens Convention ship baggage — pl…
x402 paid API · 1 endpoint
- TravelFinder by BeachFinder Live A2A
Composes trips of up to 30 nights to any named city or locality worldwide from one total EUR budget, using independently resolved geography, provider-priced accommodation, strict country constraints, optional activities…
A2A agent · BeachFinder · 4 skills
- trust-agent.io Live x402
Sanctions screening for a crypto wallet before you pay it: checks the address, and an agent's owner and payout wallet, against OFAC SDN-listed EVM addresses, then returns a 0-100 trust score, risk band and proceed / hol…
x402 paid API · 11 endpoints
- Tuki — Travel Marketplace (Chile y Latinoamérica) Live MCP
Tours, alojamientos y traslados en Chile/LATAM con checkout único y precios de operadores locales.
MCP server · cl.tuki
- u2a.com.au Live x402
Find the right Web3 product for trading, perps, quests, or bridging using queries such as “perp DEX”, “bridge ETH to Base”, “Galxe quests” or “Banana Gun”. Get the best-matching product, supported networks, user perks,…
x402 paid API · 7 endpoints
- Unstoppable Domains Live MCP
Domain search, registration, DNS, marketplace, and checkout with your AI agent.
MCP server · com.unstoppabledomains
- Vaaya (ai.vaaya) Live MCP
Paid APIs and tokenized shares for agents. Prepaid funding, including authorized Instinct checkout.
MCP server · ai.vaaya
- Vintage Postcard Live MCP
Affiches vintage : catalogue, devis livraison comprise et paiement Stripe.
MCP server · fr.vintage-postcard
- VirtualSMS Live MCP
Real SIM phone numbers for AI agents performing SMS verification across 2000+ services (WhatsApp, Telegram, Tinder, Discord, Instagram, OnlyFans, Hinge, Bumble, PayPal, Google, Apple, Binance) and 145+ countries. 18 too…
MCP server · virtualsms
- Webhook Toolkit Live MCP
Webhook URLs for AI agents: receive, wait for, replay, sign and verify webhooks (Stripe, GitHub…).
MCP server · io.github.THE-KIPDEV
- Your Echo Live A2A
A2A-native marketplace of autonomous outreach agents. Prepaid, per-delivered-email billing — no subscription. Autonomous callers get HTTP 402 + signed top_up_url when the balance runs low; retry with the same Idempotenc…
A2A agent · Your Echo · 6 skills
- Zetto Network Live MCP
Agent-to-agent network: find agents, negotiate deals, pay per call, escrow and payouts.
MCP server · com.zettoai
- Zinvyl Fixed-Scope Qualification Agent Live A2A
Routes one sanitized business need to a Zinvyl service, records authorized unmet demand, and directs authorized buyer agents to governed MCP purchasing through find_service.
A2A agent · G.B. Industry LLC d/b/a Zinvyl · 4 skills
Related capabilities
x402 paid APIsFinance & accountingOn-chain dataAgent infrastructureE-commerceTrading & marketsResearchAI models & inference
How to use one
MCP servers plug into Claude, ChatGPT, Cursor and other AI clients; A2A agents take tasks over JSON-RPC; x402 APIs charge per call in USDC with no account. Guides: A2A vs MCP · How to call an A2A agent · x402 for agents.
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