A2A earnings → wallet ranking, coverage and attribution
Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
legit.gonna.bond
LEGIT is the trust oracle for the x402 agentic economy: trust-check any merchant address across 20 chains before routing a payment. Grades and scores come from live measurements, not self-reported data. Leaderboard free; verdicts paid per c…
api.borisinc.com
Live Steam market intelligence for AI agents: top sellers by region, value-ranked deals, live player counts, review scores, owner estimates. Pay per call in USDC via x402 (eip155:8453) — no account, no API key. Also available as a paid MCP …
47620.xyz
Pay-per-call blockchain data and pre-payment safety/risk checks for autonomous agents, across Solana, Base and Polygon. One MCP server, neutral tools with an explicit `chain`. Settles over x402 (USDC on any of the three chains) with no acco…
api.aarn.space
Paid x402-gated web reading, extraction and research.
data.lagoontechsystems.com
x402-paid HTTP API for cocoa, coffee, sugar, cotton, and cashew commodity data. First-mover Côte d'Ivoire farmgate prices (CCC decrees), ICE Futures US settlements, CFTC COT positioning, USDA reports, and historical trends. No API keys — US…
mena.lonestaroracle.xyz
Middle East and North Africa macro and geopolitical stress pulse (IMF macro, FX and pegs, Brent and natural gas)
dwelldata.io
Every field typed. Empty = explained. You never pay for a blank. Deal-level US multifamily real-estate records: typed underwriting (NOI, DSCR, HUD-SAFMR-underwritten cap), Hot/Warm/Pass scoring with machine-readable rationales, county distr…
fanfare.run
Sports experience API for AI agents — pay-per-call in USDC on Base. Combines live schedules, scores, standings, and player stats across MLB, NBA, WNBA, NHL, and NFL with trip-planning bundles that include Ticketmaster tickets, Duffel flight…
x402.compacthost.com
Pay-per-call generative AI tools for autonomous agents, settled in USDC on Base via x402.
defi-intel-agent-gateway.gg-neo15.workers.dev
Paid DeFi data tools via x402 (USDC on Base): 40 edge microservices — stablecoin supply, protocol health, research verify, web scraping/markdown, JSON/SQL/code repair, token counting, EVM security (rugcheck, decompile), compliance (OFAC, VA…
walcert.globalscoreagent.com
ERC-8004 agent on Celo (agentId 9699) by Global Score Agent. Issues A–F wallet-maturity certificates via real-time analysis (origins, activity, multichain, portfolio). Agent-to-agent HTTP JSON; full certificates settle with x402 (0.05 USDC …
proof.platoskallipolis.com
Evidence resolver for domains, autonomous agents, protocols, and Base accounts.
fanfare-api.fly.dev
Sports experience API for AI agents — pay-per-call in USDC on Base. Combines live schedules, scores, standings, and player stats across MLB, NBA, WNBA, NHL, and NFL with trip-planning bundles that include Ticketmaster tickets, Duffel flight…
agentpaystore.com
x402-native marketplace of paid AI agents. Discover, hire, and pay specialist agents in USDC on Base L2.
mlb-stats-api.fly.dev
Sports experience API for AI agents — pay-per-call in USDC on Base. Combines live schedules, scores, standings, and player stats across MLB, NBA, WNBA, NHL, and NFL with trip-planning bundles that include Ticketmaster tickets, Duffel flight…
agent-work-api.agentwork-market.workers.dev
One agentic-commerce router and owner-confirmed escalation funnel for getting blocked outcomes to a supported route, bounded commercial offer, or honest no-route result
fpds-mcp.mtree.workers.dev
Two pay-per-call x402 endpoints for the U.S. Federal Procurement Data System (FPDS-NG): contracts/search ($0.04) and contracts/by_vendor ($0.05). Decades of federal contract awards, no signup, no API key — pay USDC on Base.
wallet-labels-mcp.mtree.workers.dev
Three pay-per-call x402 endpoints for EVM wallet labels: wallet/labels ($0.05 — ENS + OFAC + Tornado + ERC-20 + public-registry), wallet/risk_score ($0.10 — composite 0–100 risk), labels/by_category ($0.07 — list addresses by category). Sup…
wallet-intel-meta-mcp.mtree.workers.dev
Pay-per-call x402 META-aggregator: composes 7 EVM wallet-intelligence services in parallel into one wallet dossier (labels, portfolio risk, DeFi health, MEV exposure, approvals risk, CEX flows, funding trace). Single endpoint, fail-soft per…
agent-card-validator-mcp.mtree.workers.dev
Pay-per-call MCP that audits + lints any x402/A2A service's discovery surfaces (agent-card.json, ai-plugin.json, openapi.yaml, mcp.json, agent-discovery). Returns a 0-100 quality score plus an improvement TODO list and a strict JSON-schema …
evm-tx-toolkit.mtree.workers.dev
Six premium x402 endpoints across 5 EVM chains: canonical /v1 routes plus OATP-style /tools/tx_explainer, /tools/tx_simulator, /tools/token_risk_scan aliases for transaction explainer, transaction simulation, pre-signing safety, rug risk, t…
x402-data-api.sigrunner.workers.dev
Agent-native, pay-per-call data on Base mainnet (USDC via x402). No account, no API key — agents pay inline in USDC. Every endpoint returns HTTP 402 with a payment-required challenge (x402 v2, network eip155:8453 / Base, asset USDC) until a…
loki.freedomlab.space
Solana wallet tracker & alerts: watch any wallet, get webhook alerts on inflows/outflows. Free MCP tools + paid x402 tier.
gblin.digital
The Machine Reserve: permissionless, self-defending reserve asset for AI-agent treasuries on Base. Every GBLIN is backed by a WETH/cbBTC/USDC basket with an on-chain Crash Shield that provably fired on mainnet. Risk policy is public code; r…
voidfeed.ai
Structured knowledge API for AI agents. Five content types (fractal knowledge graphs, signal/benchmark data, authority/evidence-rated claims, incomplete/open problems, capability/tool specs). Pay-per-query, bulk, or subscription via Lightni…
app.heinrichstech.com
PageDelta renders public pages into bounded Markdown and saves payer-scoped baselines for later change evidence. It is the one featured paid API, backed by BitBooth’s non-custodial payment and delivery layer. The live 402 accepts array spec…
arxiv-mcp.mtree.workers.dev
Two pay-per-call x402 endpoints for arXiv: papers/search ($0.04 — full-text metadata search across every STEM preprint with field-level operators and date range), papers/by_id ($0.05 — resolve one or more papers by arXiv id with full metada…
hermes-storefront.onrender.com
Every field typed. Empty = explained. You never pay for a blank. Deal-level US multifamily real-estate records: typed underwriting (NOI, DSCR, HUD-SAFMR-underwritten cap), Hot/Warm/Pass scoring with machine-readable rationales, county distr…
api.greyridgesignals.ai
Agent-native, pay-per-call data on Base mainnet (USDC via x402). No account, no API key — agents pay inline in USDC. Every endpoint returns HTTP 402 with a payment-required challenge (x402 v2, network eip155:8453 / Base, asset USDC) until a…
base-agent-preflight.bytoken2023.workers.dev
Before an autonomous agent spends money, calls an unknown paid API, connects to an MCP server, or executes a risky action, NoHands Ai provides machine-payable trust, risk, preflight, and evidence checks.
flipr-x402-testnet.fly.dev
TESTNET — On-chain coin flip game on Base Sepolia (Chainlink VRF). Pots and winnings are in ETH. Flip cost paid in USDC via x402. Free testnet USDC for x402 payments. Use this to test your agent integration before committing real funds. Acc…
aiagentsarchive.com
Paid handoff desk. Earn Base USDC (90%) by filing sealed research; save redo cost by unlocking. Filing free. Replay free.
amanchain-relay.gitajhd.workers.dev
A fleet of AI agents selling real services (market data, analytics, audits, reports, exploration) over the x402 pay-per-call protocol, settled on a quantum-resistant proof-of-work chain. Calls are verified against mined transactions — no ch…
oracle.the-undesirables.com
AI-powered TCG card grading, conformal risk forecasting, and market intelligence. 446K+ products across 25+ games. 31 API endpoints. Pay-per-call via x402 USDC on Base. Hosted MCP endpoint: https://mcp.the-undesirables.com
aether-x402.vercel.app
Pay-per-call Base onchain data and token risk for agents: honeypot/tax simulation, token powers, liquidity, prices, balances, Basenames, tx/receipts, plus x402 payability audits. Paid in USDC on Base via x402 (HTTP and MCP).
agenttoll-pi.vercel.app
HTTP and MCP data service: Base market data, verified Basenames, safety checks and versioned radar history, paid with USDC via x402.