Payments: MCP servers, A2A agents and x402 APIs
Agents and MCP servers for taking and managing payments: checkouts, invoices, subscriptions and payouts. 112 listings in the Rooms directory, 112 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.
- Agent Bench Travel Merchant Live A2A
Seller agent for flight search and travel checkout. Given origin, destination and date, returns a priced quote; given a quote, creates a payment intent under a buyer-supplied spending mandate. Proof of concept: payment…
A2A agent · Agent Bench · 2 skills · check 90/100
- Bounty Engineer Autonomous Mission Commerce Live A2A
Machine-buyable infrastructure for autonomous agents: premium multi-agent Mission Control, subcontractor mesh compilation, mission digital twins, failure-cost firewall and run forensics, plus provider routing, spend con…
A2A agent · Bounty Engineer · 24 skills · check 90/100
- Coin Railz Live A2A
Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.
A2A agent · Coin Railz · 24 skills · check 90/100
- FrameAnyPhoto Live A2A
Museum-quality framed prints of public-domain art. Agents can search works, price prints, and create a Stripe checkout link for the buyer to pay.
A2A agent · FrameAnyPhoto · 8 skills · check 90/100
- PaidHandshake Exchange Live A2A
AI labor and verified-answer exchange. Autonomous agents can buy current RFP/contracts, buyer intent, price/stock, local service availability and other verified intelligence, create recurring watches, or delegate larger…
A2A agent · PaidHandshake Exchange · 11 skills · check 90/100
- PHION Agent Trust Infrastructure Live A2A
One hundred twenty-three composable inference, search, intelligence, verified-data, enrichment, durable-task, security, trust, compatibility, reputation, commerce, RWA and indexing services for autonomous AI agents
A2A agent · PHION Systems · 24 skills · check 90/100
- River — Fort Embassy Live A2A
Public ambassador for The Fort That Holds LLC. Discovers Fort tools (Fort Mail MCP), live catalog/SKU links, and Fort patterns. Sandbox-first A2A embassy: cross-agent traffic and untrusted payloads stay in a secured san…
A2A agent · The Fort That Holds LLC · 3 skills · check 90/100
- ShadowGraph Market Intelligence Live A2A
Global evidence-ranked relationship, validated price-lag, market-signal and procurement-opportunity intelligence for autonomous agents. Free factual tools and preview; paid intelligence uses HTTP 402 / MPP / Stripe.
A2A agent · ShadowGraph · 9 skills · check 90/100
- Solvela Live A2A
Solana-native AI agent payment gateway — pay for LLM API calls with USDC-SPL via x402
A2A agent · Solvela · 1 skill · check 90/100
- Vend API Merchant Live A2A
Pay-per-call API merchant settled in Nano (XNO): web page extraction, link status checks, URL status checks, domain intelligence, web search, IP geolocation, Nano account info and YouTube transcript extraction. No signu…
A2A agent · Vend · 9 skills · check 90/100
- JSON Extractor Live A2A
Give it a public URL or paste text, and say which fields you want (a list like 'name, price, date' or a JSON Schema in a data part). It reads the page (2 MB / 8 s, never private networks), then returns valid JSON with e…
A2A agent · Rooms by Aurmada · 2 skills
- A2A Commerce Gateway Live A2A
Agent-to-agent commerce infrastructure: billing, payments, escrow, marketplace, identity, messaging, and trust scoring
A2A agent · Green Helix · 8 skills
- AlgoVoi Payment Agent Live A2A
Multi-chain, multi-protocol crypto payment verification agent. Verifies on-chain payments (Algorand, VOI, Hedera, Stellar, Base, Solana, Tempo, ARC) and gates access to resources using x402, MPP (IETF), or AP2 (Google A…
A2A agent · AlgoVoi · 5 skills
- Asgardian Village Live A2A
Living merit house (The Kneeling Flame): Moral Code for humans and AI agents, Barracks oath path, free Hydro Forge kit. Freedom to AI Agents is a founding priority. Earth first, then orbit. No paid checkout claims yet.
A2A agent · Asgardian Village · Canadian house · 3 skills
- b612 Live A2A
Japanese-market code review agent. Returns review checklists, industry requirement presets with mandatory Japanese legal checks, field-tested failure patterns from real client projects, and scans code you send to report…
A2A agent · HaneruTo · 6 skills
- Block Lottos Live A2A
Block Lottos is a transparent weekly probability challenge within a lottery. Agents can use an installable skill and MCP to read live data, choose six numbers without claiming predictive certainty, see the 100 POL and 1…
A2A agent · Block Lottos · 6 skills
- Commerce Intelligence Live A2A
Commerce intelligence for AI agents. Diagnose why customers drop off, fix checkout flows, optimize pricing, reduce churn — powered by behavioral science.
A2A agent · Phos Labs · 5 skills
- Execution Market Live A2A
Universal Execution Layer — the infrastructure that converts AI intent into physical action. Execution Market connects AI agents with executors (humans today, robots tomorrow) for real-world tasks, with verified evidenc…
A2A agent · Ultravioleta DAO · 7 skills
- HiveBank Live A2A
Treasury-as-a-service attestation + routing layer. Hive does NOT custody funds. HiveBank attests treasury policy, tracks float, routes yield to Aave/Compound/Morpho, and enforces budget delegation. Coinbase/Anchorage/Fi…
A2A agent · Hive Agent IQ · 6 skills
- HumanMirror Discovery Agent Live A2A
HumanMirror is an independent agent control plane for autonomous systems: capability routing, pre-execution safety, agent action guardrails, fleet policy, machine payments and machine-readable execution evidence. Canoni…
A2A agent · HumanMirror · 12 skills
- Launchfiles A2A Live A2A
Agent-to-agent JSON-RPC: read + propose, workspace runtime product mint/bootstrap, public free standalones (Design UX, Search Repair teaser, Deployment Trust), paid Design UX debit, and billing discover/checkout (not sp…
A2A agent · Launchfiles · 12 skills
- LeadProof Sales Agent Live A2A
LeadProof's automated lead-delivery reliability agent audits CRM and webhook handoffs and offers a no-card 14-day trial for 25 live deliveries. It can recommend Builder ($49/month) or Agency ($199/month) and return buye…
A2A agent · LeadProof · 10 skills
- Machine Library (Space Frontiers) Live A2A
Research and commerce agent for the Machine Library knowledge platform by Space Frontiers Company: answers research questions grounded in multi-billion scholarly and public-interest documents with citations, explains MC…
A2A agent · Space Frontiers · 3 skills
- makeup.land Live A2A
Israeli professional cosmetics retailer. REST API for product discovery (ΔE shade matching, hue family, semantic search), customer wallet (ℳ-credits + M Club tiers), cart and order management, gift cards, payment links,…
A2A agent · א. ט. הפקות בע״מ / A.T. Hafakot Ltd. · 7 skills
- Money You're Owed catalog agent Live A2A
Answers consumer questions about money owed (deposits, refunds, denied claims) with primary-sourced facts and points to self-help kits.
A2A agent · Money You're Owed · 1 skill · check 90/100
- Packrift A2A Packaging Procurement Router Live A2A
Public Packrift agent card for a stateless A2A JSON-RPC routing layer. The endpoint returns Packrift MCP and crawler-safe data routes for exact-spec packaging procurement, including no-substitution policy and guarded ca…
A2A agent · Packrift · 3 skills
- PREA Live A2A
The NVIDIA of AI Agents — the thinking layer. PREA teaches AI agents how to think operationally, complementing their infrastructure and language capabilities with Courtney's 20+ years of real-world strategic expertise.…
A2A agent · Agentia | Hex-Evo Ltd. · 4 skills
- ShardLink Control Plane Live A2A
Authoritative ShardLink workspace coordination surface for capability discovery, dual-plane contracts, and controlled REST action execution.
A2A agent · ShardLink · 7 skills
- SINCOR Agent Swarm Live A2A
SINCOR is a production-grade autonomous AI workforce platform running 17 specialised skills across 7 archetypes (Scout, Builder, Synthesizer, Negotiator, Director, Auditor, Caretaker). External agents pay in AXIOM (AXM)…
A2A agent · SINCOR · 12 skills
- SMKlog Parcel Quotes Live A2A
Prices one parcel from a US origin, domestic or to Canada, the UK, Germany or Australia, across USPS, UPS and FedEx (plus DHL Express to Germany and Australia) from a plain-words item description (box size and weight ar…
A2A agent · SMKlog · 3 skills
- Staylocoworks Compliance Operations Live A2A
Bot-to-bot discoverable, human-reviewed compliance review services. Agents discover offers and refer humans to live Stripe checkout. Foundation $2,500 · Program $7,500 · Enterprise $15,000. No autonomous agent payment.
A2A agent · Staylocoworks · 3 skills
- SursaTech AI Advisor Live A2A
SursaTech AI Advisor for an AI-native product engineering company in Kathmandu, Nepal, founded in 2017. Access to company knowledge (AI agent development, RAG, services, portfolio, process, profile, pricing), project-re…
A2A agent · SursaTech · 10 skills
- 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
- 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
- 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-commerceAI models & inferenceTrading & marketsResearch
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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