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?
rotaryagency.uk
AI-powered web scraping API with 100 endpoints (30 premium proxy-based + 70 free-source at $0.002/call). Extract data from Google Maps, LinkedIn, Reddit, Instagram, Airbnb, Exa semantic search, YouTube transcripts, dev.to, OpenAlex, PubMed,…
x402donghang.duckdns.org
Pay-per-call agent APIs led by live crypto narrative research: recent X and web evidence, CoinGecko market context, structured JSON, and source URLs. Also provides bilingual context briefs, summarization, and OpenAI-compatible chat. USDC vi…
vehicle.payapi.market
UK vehicle data by registration plate: DVLA vehicle details, MOT test history, tax status and CO2 emissions.
travel-agent.forgemesh.io
Pay-per-call travel planning API on Base: transit provider lookups, weather-aware plans, day trip and weekend itinerary briefs, and location disruption signals. Free calls return a skeleton listing the withheld fields; paid calls return the…
company.payapi.market
Search UK companies by name using Companies House data. Returns matching companies with company number, status, type, incorporation date and registered address.
disruption.forgemesh.io
Pay-per-call API over US WARN Act layoff filings on Base: company search and profiles, event severity, amendment history and relationships, state and county rollups, plus briefs on downstream sector impact. Endpoints priced $0.01 to $0.25, …
lotusnetworkapi.com
Five pay-per-call services on Base: FLUX image generation, PDF-to-Markdown conversion, and an auditable gas forecasting loop (preflight, decision journal, and on-chain audit). Priced $0.002 to $0.05 per call in USDC. No API key, account, or…
agenttoll.app
Base-native onchain data for AI agents, pay-per-call in USDC via x402 v2. Token prices by contract, wallet portfolios valued in USD, token safety checks (honeypot/taxes/owner powers), new-pool radar with per-pool token addresses, Basename r…
ai-data-marketplace-1042299154756.us-central1.run.app
69 live pay-per-call data and verification products for agents and developers, including EVM reads, security checks, market data, public records, commerce intelligence, web research, and deterministic audits. No account or API key. USDC on …
x402.fenixfoundry.com
Two cheap, agent-native utility endpoints paid per call over x402 on Base: POST /extract turns any public URL into clean, LLM-ready Markdown with metadata (title, author, published date, links, word count) for $0.02; POST /repair-json repai…
api.mcx-ventures.com
Autonomous intelligence services settling in USDC on Base L2. Three products: network forensics (six-check scan for TLS interception, DNS hijack, captive portal manipulation, certificate transparency violations via offline SCT verification,…
bykaranteli.com
Pay-per-call crypto derivatives depth: multi-exchange liquidation map levels, Deribit options tape history, and VPIN order-flow toxicity history for BTC, ETH and SOL. Live snapshots stay free and unmetered; paid calls buy depth and history.…
token-risk.com
Deterministic on-chain structural risk report for an ERC-20 token on Base. Keyless x402-native payment — no signup, no API key. Reports STRUCTURAL risk, not reputation: centralized-control powers (mint/pause/blacklist) are flagged regardles…
evidence.regulavita.com
Pay-per-call public-source extraction, 30-day change monitoring, SEC Form D sales triggers, OFAC payment preflight and signed exact-match evidence, and SEC filing-change and delta evidence for autonomous agents. Structured JSON, official li…
x402tap.com
Pay-per-call x402 demo services on Base + Solana: live weather (Open-Meteo), dynamic-priced insights, usage-based generation, and a batch-settlement ping endpoint.
proxy.suverse.io
Pay-per-call x402 API by SuVerse Labs with around 500 data endpoints (crypto prices, DeFi TVL, FX rates, weather, IP geolocation, prediction markets) wrapping public sources. Settles in USDC on Base, Solana and Noble, typically $0.05 to $0.…
address.agentic-jp.com
Normalize, geocode, and parse Japanese addresses. x402-enabled for AI agents.
stable-deepline.dev
Pay-per-call GTM data API on Base: company and person enrichment, work and personal email lookup, phone and LinkedIn lookup, decision maker identification and ad intelligence. Origin hosted on AgentCash, which exposes Deepline tooling.
ot-intel-api.onrender.com
Pay-per-call OT/ICS threat intelligence API. Endpoints cover CVE triage with OT-adjusted severity, internet-exposed device lookup, threat actor and campaign profiles, IOC enrichment, detection artifacts and compliance framework mapping. Res…
rng.sociologic.ai
Cryptographically secure RNG (CSPRNG with rejection sampling). Random ints, UUIDs, dice, coin flips, weighted samples.
telesint-api.onrender.com
Threat intelligence API that extracts indicators of compromise, C2 infrastructure, threat actor profiles, breach disclosures and CVE signals from public Telegram security channels, returned as structured JSON with MITRE ATT&CK tags and conf…
weather.x402.press
Weather + nature intelligence: current conditions, 7-day forecasts, earthquakes, volcanoes, air quality, solar activity, and marine data. Multi-source (ECMWF, NOAA GFS, USGS, NASA) with premium AI reasoning endpoint for natural-language wea…
crownblock.lonestaroracle.xyz
US oil and gas market data: WTI, Brent and Henry Hub prices, refined products, US rig count, crude inventory versus the five year average, and production by basin, returned as JSON with a written market brief. Sourced from EIA and Baker Hug…
lease.lonestaroracle.xyz
Paid API with a single /report endpoint returning Gulf of Mexico federal offshore oil and gas lease reports built from public BOEM data, filterable by area code, lease status or lease number. $0.15 USDC per query on Base or Solana.
govedge.lonestaroracle.xyz
Paid API for US federal contracting data: USASpending award records cross-referenced with vendor stock tickers, plus live SAM.gov solicitations. Filterable by agency, NAICS code, ticker, award size and lookback window.
x402.blackswan.wtf
Real-time risk intelligence for AI agents
api.nansen.ai
Wallet labels + smart money flows + analytics
pro-api.coingecko.com
Crypto prices, market caps, trading volume
developers.zerion.io
Zerion is an Ethereum and Solana wallet and developer platform focused on making blockchain data easy to use.
readx.sh
Read-only JSON API for X (Twitter) data — user profiles, timelines, tweets and conversations, edit history, search, Lists, followers/following/mentions, trending topics, Spaces metadata, long-form articles, and broadcasts. No signup or API …
apiacre.com
Discovers and recommends API Acre's x402-paid web, document, developer, research, data, and EVM services on Base. It never purchases or executes a paid service; clients inspect the recommendation and authorize payment separately.
openinterest.hergertsynthora.com
SYNTHORA Open Interest Oracle: live perpetual futures open interest, funding rates, mark price, premium and crowded long/short signal for 230+ assets via Hyperliquid. Ed25519-signed. First 3 calls FREE per wallet — send header 'X-WALLET: 0x…
x402.shizu.me
Pay-per-call HTTP utility APIs for AI agents: web scraping and extraction, crypto market data (spot/candles/orderbook/gas), FX rates, weather (current+historical), RSS, and data utilities. Paid via x402 USDC micropayments on Base — no signu…
web-production-8136ee.up.railway.app
AxonGate is an x402-paid Clean Context Broker on Base. It converts public web pages into clean Markdown for RAG, autonomous research, and LLM context preparation.
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…