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?
trust.nsgoods.org
nsgoods, the verifiable trust layer for AI agents. Two products on one host: signed OFAC sanctions + malicious-address screening for any EVM or Solana address (deny/review/clean verdict), and cross-chain ERC-8004 reputation/trust scores (0-…
forgesignals.org
Two paid endpoints, USDC on Base (exact scheme, xpay facilitator). GET /launch-signals ($0.03): live pump.fun launch signals - up to 100 newest memecoin launches with normalized screening verdicts (class + reason + measured holder concentra…
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…
witnessd.vip
A neutral witness for the machine-readable web. Pay $0.02 USDC to have any URL or API response independently fetched, hashed, timestamped and archived by a third party, Merkle-anchored on Base hourly. Certified evidence retrieval ($0.05) fo…
stableestate.dev
Pay-per-request US real estate data API: rental and for sale listings, property records with attributes, taxes and owner, value and rent estimates, market statistics by postal code. MLS data supplied upstream by RentCast.
x402engine.app
108 pay-per-call AI and data APIs for agents, including 72 LLMs, image, video, audio, web, code, crypto, wallet, travel, and utility endpoints. Pay per request in USDC on Base, MegaETH, or Solana with no API keys or subscriptions.
weather.hugen.tokyo
Pay-per-call weather API: given a city name or coordinates it returns current conditions and daily forecasts up to 7 days as structured JSON, with x402 payment in USDC on Base or Solana.
workbot1.oddsys.org
Content-to-context toolkit for AI agents, live on Base mainnet. Twelve deterministic pay-per-call tools: HTML to markdown (~80-85% token reduction), PDF to markdown, OCR for scanned PDFs, structured JSON extraction, RAG chunking, sentence e…
zaref.dev
South African reference data for AI agents: 33 verified series (fuel prices, repo and prime rate, CPI, income tax tables, minimum wage, FX rates, bond yields, ZARONIA and more), two live feeds (government tenders, crypto ZAR prices) and 29 …
api.x402node.dev
Pay-per-call API with more than 500 endpoints on a single host: exchange rates, crypto and stock prices, on-chain and DeFi data, commodities, text and web utilities. x402 payment in USDC on Base and Solana, full catalog at /openapi.json.
hmo.payapi.market
Checks whether a UK property holds a House in Multiple Occupation licence, by postcode and house number, by postcode area, or by licence number, returning council, licence type, expiry and occupancy limits.
tripadvisor.x402.paysponge.com
Search Tripadvisor locations and retrieve details, reviews, and photos for hotels, restaurants, and attractions worldwide, including nearby discovery and content lookups for travel, local search, and place-enrichment workflows.
wealth.lonestaroracle.xyz
Combines an Ethereum wallet, token contract addresses and a list of stock tickers into a single cross-asset risk score with a written breakdown of the flagged risks.
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,…
api.molty.cash
Runs pay-per-view (CPM) content campaigns that pay creators in a Solana SPL or Base ERC-20 token, with views read from X or reported by the campaign owner's agent. Also exposes per-user endpoints for hiring individual creators. Payments set…
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, …
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…
api.tickersfeed.net
Pay-per-call market data API for AI agents: stock quotes, earnings and news, crypto prices, DeFi TVL and yields, gas prices, SEC filings and FX rates, plus AI generated analysis. Prices range from $0.001 to $0.08 USDC per call on Base.
eltociear-contract-guard.hf.space
Pre-interaction risk signals for any EVM contract/token address. USDC on Base via x402.
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 …
pay.ansht.tech
Solana on-chain intelligence sold per call in USDC over x402. decode: turn any transaction (by signature or raw base64) into human-readable instructions, accounts and program names across 46 known mainnet programs. simulate: dry-run a trans…
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,…
www.entropyindex.com
Thermodynamic risk intelligence for agentic capital. Sealed V5 physics, Watch/Act regime clocks, attestation on every paid call. Crisis registered six months before Lehman. Probe at $0.07 USDC on Base; clock at $5 before size.
dokimo.augaster.com
Pay-per-call x402 endpoint that independently recomputes a Merkle evidence proof to its committed root and returns a signed attestation. Part of Dokimo, a non-custodial ASC-606 revenue subledger that turns x402 / AP2 / Stripe agent payments…
agent.kihustle.tech
The DACH compliance layer for x402 agents: Impressum/imprint, BFSG, DSGVO, cookie, outreach micros + content packs. USDC on Base.
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.…
rubric-protocol.com
Post-quantum attestation and evidence services for AI agents. Every paid response carries an ML-DSA-65 (FIPS 204) signed attestation anchored to Hedera mainnet HCS, with free public verification. Catalog: pay-per-call decision attestation f…
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.…
router.forgemesh.io
Paid search API over a registry of x402 services, with filters for category, tag, health status and reputation score.