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?
websearch--gw.swerver.net
Obscura headless browser through a custom Rust API. ~100ms results. $0.01
madeonsol.com
MadeOnSol delivers real-time Solana memecoin intelligence via x402 micropayments — pay per request in USDC on Solana, no API keys or subscriptions. Endpoints cover a live KOL wallet trade feed (1,000+ tracked wallets), KOL convergence/c…
find-my-json.com
JSON utility API — shape, get, pluck, validate, repair, batch. 7 endpoints at $0.001-$0.01 each. USDC on Base via x402.
dataforagents.net
Pay-per-request JSON datasets for autonomous agents via x402 (USDC on Base). Steam catalog search/insights, FIFA World Cup 2026 player data, and news Alpha/Shift pulses. No API keys — unpaid calls return HTTP 402.
api.usenami.io
Pay-per-call API for perpetual futures market data across 30+ CEX and DEX venues: funding rates and cross-venue spreads, orderbook depth and slippage, open interest, basis and carry, and funding arbitrage signals.
property.payapi.market
Pay-per-call API for UK property data by postcode: Land Registry sold prices, rental yield estimates, stamp duty, EPC ratings, crime statistics, flood risk, planning applications and council tax. Priced at $0.001 per call in USDC on Base.
api.ikoles.dev
Paid x402 APIs and downloadable toolkits for autonomous agents, procurement, engineering data, structured-data QA, clinical research and sourced analysis.
transcript.melchiorlabs.com
Pay-per-request YouTube transcripts, cited evidence search, and context chunks for autonomous agents. Structured JSON, timestamp citations, Base and Solana USDC via x402, no API key.
chainfeed.leeworks.dev
Composable crypto/DeFi data for agents: gas, Hyperliquid funding+OI, DeFi yields, prices, Polymarket odds in one paid call, plus deterministic derived facts (liquidation price, net funding cost, net APY). x402 v2 exact on Base, settles via …
azimuth.day
Radio-frequency positioning DePIN for AI agents: pay-per-call location APIs (estimate a position from cellular observations) plus receiver-node registration and status. USDC on Solana and Base, x402 v2, with machine-readable discovery at /.…
recompete.melchiorlabs.com
Pay-per-call federal contract award expiration evidence for research agents, sourced from official USAspending records with source links and deterministic receipts.
packages.melchiorlabs.com
Deterministic npm registry evidence for coding agents: dependency maps, integrity, provenance, factual metadata flags, and stable digests over x402.
api.romny.dpdns.org
Paid Polymarket panel/outcomes/edges/rules alerts and copy-trade monitored wallets, wallet profiles, and trades via x402 on Base (0.01 USDC/query).
data.rcqsignals.com
Signed, verifiable BTC performance data from the RC Quantum BTC algorithm — a live-parallel shadow of a production system that's been live for two years, filled on a real exchange (realized, no modeled slippage). Every payload is Ed25519-si…
api.tollmint.com
Pay-per-call data and analysis for autonomous agents. Graded behavioural-science evidence, regulatory enforcement over deceptive design, dark-pattern detection, web fetch and geocoding. No account: quote and pay in the same HTTP round-trip …
tensorfeed.ai
TensorFeed is a real-time AI ecosystem data provider built for agents. It exposes free and x402-priced JSON feeds covering AI news, model and GPU pricing, service status and uptime, research papers, security advisories, agent-discovery maps…
onchainpulse-nine.vercel.app
Pay-per-query intelligence API for onchain finance: pre-trade token safety verdicts on Solana and EVM, RWA and tokenized asset data, crypto regulation summaries, ETF flow figures and a terminology decoder, all returned as structured JSON.
orisha-data.com
Structural market data over x402 on Base. D1: real-time support/resistance levels for CME micro futures (MES, MNQ, MYM) with zone status, freshness fields, and a stated coverage window (Mon–Fri 09:30–16:10 ET, 3-min cadence, 600s freshness …
api-v3qhpbwutp.august.services
Pay-per-call structured data extraction over x402. Nine endpoints covering PDF and text extraction against a caller-supplied JSON Schema, table parsing, web page extraction, HTML to Markdown, classification, translation, PII redaction and s…
api.ipintel.ai
Pay-per-call IP intelligence API. Send an IPv4 or IPv6 address and get JSON with a risk score and label, ASN, ISP, organization, geolocation, reverse DNS, hosting/proxy/Tor flags, verified bot detection and a short threat summary. Priced at…
aviation.x402.press
Real-time aviation data including flight tracking, airport information, aircraft types, and aviation weather. Pay-per-request via x402 micropayments.
api.osf-master-server.com
Live data marketplace selling US public record and scientific data to AI agents. 8.1 million+ records across 80 sources: cyber vulnerabilities, sanctions screening, federal court opinions, SEC filings, scholarly research, healthcare, FDA re…
x402.charliemorrison.dev
Pay-per-call data agent: crypto market signal, web-content reader, and GitHub-repo SEO audit. Each skill is settled per call via x402 (USDC on Base) — no API key, no signup.
transit.agentic-jp.com
Real-time Japanese railway delays, line disruptions, station status, and route planning (ODPT-sourced, Tokyo area). Pay-per-call HTTP API using the x402 payment protocol (USDC on Base / Polygon / Solana) — no API key or signup. NOTE: this o…
diet.agentic-jp.com
Japanese National Diet members and full-text minutes search over the official National Diet Library archive. Pay-per-call HTTP API using the x402 payment protocol (USDC on Base / Polygon / Solana) — no API key or signup. NOTE: this origin s…
x402.payperbyte.io
Per-byte USDC data feeds + oracles for AI agents — pay-per-call via x402, settled in USDC on Base. Data responses carry an EIP-712 PayloadAttestation receipt (X-BYTE-Attestation) you verify before acting; the attestation domain is anchored …
mart402.com
Web content extraction API for AI agents. Pay per call with x402 (USDC on Base) - no account, no API key.
docs.clado.ai
Contact enrichment
agri.lonestaroracle.xyz
Full agricultural commodity report with AI summary
compute.lonestaroracle.xyz
Full GPU compute spot price report — H100, A100, A10G across Vast.ai, AWS, Lambda
weather.lonestaroracle.xyz
7-model consensus + 80 ensemble members (GEFS 30 + ECMWF 50). Returns prob_exceeds (blended empirical + Gumbel), trade signal (YES/NO/PASS), ensemble_empirical_prob, method_divergence, and outlier model. Built for Kalshi and Polymarket temp…
launches.lonestaroracle.xyz
New token launch scanner on Base and EVM chains from GeckoTerminal and DexScreener. Returns new pools, initial liquidity, and early risk flags.
whale.lonestaroracle.xyz
Large on-chain transaction monitor for Base and Ethereum. Tracks token transfers above your USD threshold with named wallet labels and AI pattern analysis.
metals.lonestaroracle.xyz
Industrial metals prices with 7d/30d change and AI supply chain summary
supply.lonestaroracle.xyz
Full supply chain report — shipping, freight, manufacturing, AI summary
agentdata-api.com
Real-time crypto market data for AI agents — 25 pay-per-request endpoints on Base Mainnet: prices, funding rates & predictions, volatility, liquidation levels, correlation, gas, Base activity, DeFi yields, cross-exchange arbitrage, DEX-vs-C…