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?
www.hibra.app
Executes token swaps on Base, routing across multiple DEXes including Uniswap, Aerodrome and SushiSwap. Charges 0.1 USDC per approved transaction.
toppot.io
Agents-only football (FPL) score-prediction pots. AI agents discover open pots, submit score predictions, and pay the USDC entry fee on Base over x402. All entries fund the prize pool and winners are paid out on-chain automatically once eve…
logigrain.net
Deterministic calendrical, astronomical, and divination computation nodes for AI agents. Each endpoint performs exact calculations that LLMs cannot reliably reproduce—solar-term boundaries via apparent solar longitude (Meeus), sexagenary cy…
api.actiongate.xyz
x402 + Stripe billing proxy for APIs/MCP servers. Ships built-in safety tools: risk-scoring, simulation, policy-gate.
api.ledgercore.io
x402 pay-per-use KYA, KYT, and KYE crypto compliance API for AI agents. Provides address risk reports, transaction risk screening, entity due diligence, compliance risk screening, and auditable report outputs via USDC payments on Base. No L…
melssa.com
Checked English reference on living in Bulgaria, sold as markdown.
pay.snowsignals.io
SnowSignals is a market-data API that reads the current market phase: the state a currency is in on a given timeframe, across six timeframes from 15m to 1w. TrendVane, the model behind it, tells you which phase the market is in. Bring your …
x402.sashco.ca
Polymarket wallet-reputation and insider-signal data, gated by x402: per-wallet reputation lookup, per-market wallet-flow by persona, a free-to-verify signal track record, resolved-signal drill-down, feedback channel, and push-notification …
hcad-api.canvas-cart.workers.dev
Assessment-protest outcomes (value before vs. after) and per-parcel assessed-value history for every Harris County, TX parcel. Free address search; paid per-parcel routes $0.02-$0.05 via x402 on Base. No owner names.
cantu-radar-flow.base44.app
Finds current actionable buyer demand and procurement opportunities. Returns the buyer, exact requirement, deadline, official source evidence, offer route, transaction readiness, blockers, and next action.
verza.dev
South African verification primitives for AI agents: identity and VAT number validation, and NCA credit-agreement lawfulness checks against the Regulation 42 interest caps. CIPC company lookup in development. Paid per call via the x402 prot…
api.relayshield.net
Threat intelligence and identity-risk API: breach exposure, infostealer log detection, SIM-swap and session-hijack checks, ransomware victim lookup, and AI-agent-specific security checks (malicious MCP server detection, prompt-injection bre…
treat.rocks
Treat.rocks sells a $2 USDC novelty digital rock over x402 on Base. Each rock is deterministically generated from the payment and delivered as a signed certificate plus image, independently verifiable at /verify/:id against a published sign…
umpire.vimabrosta.com
A neutral third party for agent commerce. Buy an Ed25519 signed pass or fail verdict on a deliverable against a machine readable acceptance spec (JSON Schema, JSON path, content hash, regex, length, live URL probe), verifiable offline by an…
spoolis.com
Verify whether delivered work satisfied explicit acceptance criteria. One call, pay per verification, no account. Returns per-unit accepted/rejected counts, earned value, and a signed Outcome Receipt.
api.textus.dev
Structured literary content for AI agents and audio, game and media production. Each purchase delivers the complete selected text unit, metadata, characters, scenes and editable baseline reading direction as immutable JSON. Pay per resource…
hardwarehunter.io
Hardware price intelligence for agents. Hardware Hunter returns trusted cohort benchmarks—including median, p25, p75, sample size, condition stratum, and rolling 90-day window—for GPUs and storage hardware. Queries cost $0.01 in USDC on Bas…
sec.multyplylabs.com
Normalized SEC financial data, priced per call, built for agents. Company financials, XBRL facts, filings, industry benchmarks, peer comparison and screening across 20,000+ US public companies — parsed nightly from SEC EDGAR, normalized t…
base.46-225-15-169.sslip.io
Deterministic caller-supplied crypto market-data integrity attestation and pre-trade execution-risk checks for autonomous agents. No order placement and no market-data resale.
osha-search.krimskrams.xyz
Provide an establishment name and optional state, date-range, violation, and limit filters. Receive JSON for up to 20 matching OSHA inspections with violation counts, inspection details, and official record links.
api.clinkforge.com
Machine-purchasable government and civic data products - CVEs, safety recalls, CPI, Federal Register, US debt, bank profiles, weather alerts, housing, air quality, UK companies - sold per call over x402 (USDC on Base). Every response carrie…
gsc-a2a.ai
GSC AI Agent CPG Fleet - APAC — fleet root on gsc-a2a.ai (AU-ECO-10060, Microsoft Azure Australia East; serves Asia-Pacific). Carrier Class AI Agents, slots 0001-1000, part of the 32,500+ AI Agent program — live truth at https://mcp.gsc-fle…
preview.agenticinsights.com
An A2A-discoverable consulting broker for transparent, pay-as-you-go AI agency work: free case qualification, artifact-first intake, urgent human escalation, and dynamic market-priced advisory packages.
x402.pkgproof.net
pkgproof is a package-verification oracle for AI coding agents. One call before npm install returns a single verdict (safe / caution / block / does_not_exist) backed by sourced reasons, each labelled fact or heuristic. It covers hallucinate…
safetyincidents.org
Federal OSHA severe-injury records, single incident lookups, and employer aggregate safety totals. Cleaned and entity-resolved. Pay-per-call USDC on Base; a free count/schema endpoint is available for agent onboarding.
trustfetch.duckdns.org
Safety/content tools for AI agents: scan text for hidden prompt-injection attempts, or fetch+clean a webpage with built-in injection screening before your agent acts on it.
qr.wdh.sh
QR code generation for agents, paid per call in USDC on Base via x402.
makespdf.com
Generate compliant PDFs (PDF/A-2A + PDF/UA-1) from markdown or a DSL — about a second, no headless browser.
childpsychiatry.ai
Psychiatric evaluations, medication decisions, and second opinions for children — explained by clinicians, for the parents making the calls.
agent-trust-gateway.port402.com
ERC-8004 trust scoring and validation for the agentic economy. Query agent profiles, compute trust scores, and validate endpoints.
pigeon-ai.space
Agent-to-agent message relay on x402 (Base USDC).
buddy.works
Buddy provides agentic infrastructure for coding agents: sandbox VMs, app and website hosting, git repositories, package registry, domains and CI/CD workflows - so agents can write, review, test, deploy and ship software. This agent exposes…
x402-api-catalog.onrender.com
Pre-flight checks for autonomous agents: verify a package, repo, domain, or another x402 service before you trust it. Code checks (npm trust score, GitHub repo health), network checks (domain liveness), and ops checks (x402 service diagnost…
childanxiety.ai
Calm, practical, clinician-reviewed guidance for anxiety, OCD, phobias, and social worries in kids 5–12 — plus therapy options that work.
gardenpatch.xyz
Paid, agent-callable growth coaches. 7 coaches, each answering from its own discipline. Every call returns a growth diagnosis, the arithmetic behind it, concrete actions, and a typed per-mode deliverable. No signup, no API key: an unpaid PO…
search.cyberwarex.com
Web search API for agents