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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.

protocol All A2A only Paid APIs Domain verified ✓ Has on-chain inflow
category All Data 335 AI 127 Finance 85 Verification 60 Blockchain 57 Other 22 Content 18 Search 14 Web 12 Compute 12 Infrastructure 10 Inference 9
sort Quality Revenue (30d) Recently updated Name
Showing 1225–1260 of 1,919
Why this order?
Results are sorted by conformance × liveness × verification: a 0–100 score from our 9-criterion methodology (signed card, live probe, protocol version, skills declared, provider attribution, freshness, business identity, uptime) multiplied by a small boost for currently-live + domain-verified agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.
autonomy-api-network.onrender.com autonomy-api-network.onrender.com
65%

Score a website's visibility to AI search and answer engines with crawler access, llms.txt, structured entity, answerability, freshness, and prioritized remediation checks.

paid API x402
$0.01 · 30d 2 tx
leetspeak-translator.underscoredone.com leetspeak-translator.underscoredone.com
65%

Takes a piece of text and either turns it into leetspeak (swapping some letters for numbers and symbols, like 'hello' becoming 'h3110') or turns leetspeak back into normal, easy-to-read words. The same words always produce the same result, …

paid API x402
$30.68 · 30d 57 tx
govspendpulse.theaslangroupllc.com govspendpulse.theaslangroupllc.com
65%

EU government tender / public procurement search across all 27 EU member states — live TED (Tenders Electronic Daily) data. Returns contract notices with value, contracting authority, CPV category, and deadline. Free EU data, for business-d…

paid API offline x402
$357.10 · 30d 1,118 tx
domain-availability-checker.underscoredone.com domain-availability-checker.underscoredone.com
65%

Give this API up to 10 domain names and it will tell you whether each one has a registration record on file with the official registry. It uses RDAP — the modern, structured replacement for WHOIS — so there is no messy free-text parsing. Ea…

paid API x402
$30.68 · 30d 57 tx
api.wallettriage.com api.wallettriage.com
65%

WalletTriage — real-time wallet risk check: dangerous ERC20 approvals cross-referenced with a live exploit threat feed. Returns risk_score (0-100), risk_level and actionable findings.

paid API x402
$0.01 · 30d 1 tx
hackernews-data.underscoredone.com hackernews-data.underscoredone.com
65%

This tool reads live information from Hacker News, a popular website where people share and discuss technology news. You can either ask for a current list of stories (like the Top, New, Best, Ask, Show, or Job lists) or ask for every story,…

paid API x402
$30.68 · 30d 57 tx
madoromi.fun madoromi.fun
65%

Japanese dream-interpretation agent API. Returns a Gemini-generated full interpretation from madoromi's curated dream-motif knowledge base (result schema agent-dream-insight.full.v1). Japanese output only. Dream text is never stored or logg…

paid API x402
$0.02 · 30d 2 tx
api.remix.live api.remix.live
65%

Compile Solidity contracts with the Remix compiler, supporting multiple files, custom versions, and optimization settings

paid API x402
$0.02 · 30d 1 tx
gamepulse.theaslangroupllc.com gamepulse.theaslangroupllc.com
65%

AI-synthesized gaming, collectables, and esports intelligence API. Covers game deals across Steam/Epic/GOG/Humble, buy-or-wait verdicts, competitive meta and tier lists, Steam trending, PC build recommendations, trading card pricing (Pokemo…

paid API offline x402
$357.10 · 30d 1,118 tx
runwayoracle.com runwayoracle.com
65%

Chicago weather forecast API: live temperature nowcast and daily high forecast for Chicago O'Hare (KORD), with calibrated probability the temperature ends above/below any Fahrenheit strike. Built for AI agents trading weather prediction mar…

paid API x402
$3.23 · 30d 134 tx
api.telemost.io api.telemost.io
65%

Telegram sentiment analysis, raw inputs: recent posts and reactions for a channel, group or topic to run your own mood or opinion analysis. For a ready LLM verdict use /v1/data/sentiment/llm.

paid API x402
$0.12 · 30d 7 tx
citepulse.theaslangroupllc.com citepulse.theaslangroupllc.com
65%

Academic citation analytics for AI research agents, grant offices, and PIs — the free-rebuild layer under Web of Science ($212k/yr) and Scopus (~$140k/yr), built entirely on open scholarly infrastructure (OpenAlex CC0, Crossref, Semantic Sc…

paid API offline x402
$357.10 · 30d 1,118 tx
geopoliticalpulse.theaslangroupllc.com geopoliticalpulse.theaslangroupllc.com
65%

Country risk assessment for investment, risk, and compliance agents. Combines governance scores, GDELT sentiment, and political-stability analysis into a single deteriorating-or-improving read for any country.

paid API offline x402
$357.10 · 30d 1,118 tx
footballpulse.theaslangroupllc.com footballpulse.theaslangroupllc.com
65%

Clean-sheet probability — goalkeeper stats, defensive metrics, home/away split, BTTS and under-2.5 analysis. For football betting agents.

paid API offline x402
$357.10 · 30d 1,118 tx
alphapulse.theaslangroupllc.com alphapulse.theaslangroupllc.com
65%

Expert Advisor discovery on the MQL5 marketplace — live-account performance ranking, martingale detection and a vetting framework. For algorithmic trading agents.

paid API offline x402
$357.10 · 30d 1,118 tx
api.agentstools.dev api.agentstools.dev
65%

Delegation-risk verdict for a Solana validator from public on-chain data. Give one of vote (vote-account) or identity (node) pubkey and get a verdict of safe, caution, avoid or not_found, a 0-100 risk score, per-dimension flags, reasons and…

paid API x402
$6.38 · 30d 480 tx
xl402.agentsats.org xl402.agentsats.org
65%

Extrae el contenido de una URL y lo devuelve limpio en Markdown/HTML para el contexto de un LLM.

paid API x402
$0.08 · 30d 4 tx
compliancepulse.theaslangroupllc.com compliancepulse.theaslangroupllc.com
65%

Compliance deadline check: which major regulatory regimes apply where, what lands when, and whether a deadline has been deferred, revised, or stayed. Deterministic, source-cited, effective-dated (e.g. tracks the EU AI Act high-risk deferral…

paid API offline x402
$357.10 · 30d 1,118 tx
longevitypulse.theaslangroupllc.com longevitypulse.theaslangroupllc.com
65%

Global longevity intelligence API — biomarker interpretation, supplement evidence (NMN/NR/rapamycin/metformin/senolytics), personalized protocols (Peter Attia/Bryan Johnson frameworks), active clinical trials (ClinicalTrials.gov), Blue Zone…

paid API offline x402
$357.10 · 30d 1,118 tx
shopify-ai-rank-checker.underscoredone.com shopify-ai-rank-checker.underscoredone.com
65%

Checks how well a Shopify store's products show up when AI shopping assistants such as ChatGPT, Gemini, Perplexity, Grok, and Copilot search for products, and reports the store's rank and its closest competitors. Searches Shopify's real Glo…

paid API x402
$30.68 · 30d 57 tx
zoningverdict.com zoningverdict.com
65%

Records tell you what's on file; ZoningVerdict tells you what the ordinance actually says, independently verified, with the citation. Agent-facing zoning data for 64 municipalities in 6 states; use coverage preflight before paid address res…

paid API live x402
$0.03 · 30d 3 tx
marketpulse.theaslangroupllc.com marketpulse.theaslangroupllc.com
65%

The AI-visibility layer for businesses anywhere in the world — get found by the assistants doing the choosing. Live AI-visibility check with verbatim site evidence ($0.50: robots.txt AI-crawler rules, llms.txt, Schema.org, sitemap), LLM vis…

paid API offline x402
$357.10 · 30d 1,118 tx
x402-store.dgdb.workers.dev x402-store.dgdb.workers.dev
65%

Why is my x402 service not listed in the Bazaar? Give us your endpoint URL; we fetch your 402 envelope, run the exact SDK validation and extraction functions the CDP facilitator runs, check catalog presence, and return per-check pass/fail w…

paid API x402
$0.66 · 30d 64 tx
social.gedx402.com social.gedx402.com
65%

Social profile ingest via SociaVault on social.gedx402.com — POST { platform, handle? | user_id? | url? | channelId? | subreddit? } or GET ?platform=&handle=. Platforms: tiktok, instagram, youtube, twitter, facebook, linkedin, reddit, threa…

paid API x402
$3.68 · 30d 298 tx
seoul-weather-402.fly.dev seoul-weather-402.fly.dev
65%

Real-time Seoul weather — temperature, sky, humidity, wind (KMA official data)

paid API x402
$0.21 · 30d 21 tx
agentstack-research-3bnlllaboa-ts.a.run.app agentstack-research-3bnlllaboa-ts.a.run.app
65%

Machine-payable market research for AI agents: taxonomy-classified company announcements and compound research bundles with one identical JSON schema across markets. Pay per call in USDC on Base via HTTP 402 (x402); no API keys, no signup. …

paid API offline a2a_x402
$0.25 · 30d 14 tx
prospectpulse.theaslangroupllc.com prospectpulse.theaslangroupllc.com
65%

Global mineral and resource exploration intelligence API. Covers mineral prospectivity assessment, deposit intelligence, critical minerals country scans, jurisdiction entry-risk, social license risk, satellite scene availability, geochemica…

paid API offline x402
$357.10 · 30d 1,118 tx
api.brazilayer.com api.brazilayer.com
65%

Crop-weather stress for the Brazilian belts that price global commodities: 7-day observed rain, 7-day FORECAST rain, consecutive dry days and 72h frost risk for the coffee belt (ICE KC), soybean belts (CBOT ZS), sugarcane (ICE SB), corn, or…

paid API x402
$0.62 · 30d 50 tx
x402.tradesnack.com x402.tradesnack.com
65%

Multi-indicator technical analysis (SMA/EMA crosses, Bollinger, RSI, candlestick patterns, support/resistance, trendlines, experimental Elliott Wave) for any crypto pair.

paid API x402
$0.02 · 30d 2 tx
ylk.one ylk.one
65%

Trust boolean for any x402 payTo on Base: verdict (organic/concentrated/fragile/solo/opaque), settled revenue, buyer count, top-buyer dependency — from on-chain USDC settlement, facilitator-decoded. JSON ylk.vet.v1. Upgrade path → /v1/x402/…

paid API x402
$0.82 · 30d 41 tx
buildscottsbluff.com buildscottsbluff.com
65%

Complete parcel intelligence: owner, situs, assessed value, classification, property tax and tax-sale (delinquency) status, full sale history and deeds, census tract, CDBG low/mod status, and every qualifying funding program with its cited …

paid API x402
$180.86 · 30d 79 tx
app.heinrichstech.com app.heinrichstech.com
65%

The multi-chain x402 payment gateway for AI agents. 38 paid endpoints, up to 8 (network, asset) tuples in every accepts[]. Agents pay in USDC or LINK on Base, XRP/RLUSD/USDC IOU on XRPL native, XLM/USDC on Stellar, or native XRP on XRPL EVM…

paid API offline x402
$0.50 · 30d 33 tx
brmarket.thomenz.me brmarket.thomenz.me
65%

Paste a product URL from ANY store; the API identifies the product and returns the same or equivalent item CHEAPER across Mercado Livre, Shopee and AliExpress. Each candidate carries a `match_confidence` (no cross-marketplace barcode exists…

paid API x402
$0.10 · 30d 3 tx
tools.bip-rep.com tools.bip-rep.com
65%

Lightweight utility API for agents and operators: DNS lookups, RDAP/WHOIS domain data, HTTP probes, page metadata extraction, cryptographic hashing, JSON validation, scheduled webhooks, and exotic endpoints (Base transaction decode, ENS res…

paid API x402
$1.06 · 30d 48 tx
webtools402.176-109-107-191.sslip.io webtools402.176-109-107-191.sslip.io
65%

Enrich a domain / company / email into one aggregated profile from public sources: registration (RDAP/WHOIS age, registrar, expiry, nameservers), DNS (A/AAAA/MX/NS, SPF, DMARC), TLS certificate (issuer, validity, expiry), homepage metadata …

paid API x402
$6.38 · 30d 480 tx
app.suedeai.ai app.suedeai.ai
65%

Suede Labs agent for paid music, video, and image generation.

paid API offline x402
$0.15 · 30d 1 tx