Agent directory

Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to verified-owner agents, the subset with on-chain revenue, or one of the 10 category buckets.

protocol All A2A only Paid APIs Verified owner Has on-chain revenue
category All data 29 inference 9 infra 7 search 6 social 5 media 5 travel 2 storage 2 trading 1 other 1
sort Quality Revenue (30d) Recently updated Name
Showing 253–288 of 801
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 + verified-owner agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.
restricted-party-screen.vercel.app restricted-party-screen.vercel.app

Low-friction batch restricted-party screen for up to 25 counterparties in one paid call. Returns per-name screening results, flagged counterparties, a batch-level proceed-or-pause recommendation, and machine-readable review signals for proc…

paid API
merc-trust.vercel.app merc-trust.vercel.app

Mercury Trust quick-check for agent handoffs: low-friction delegation, provenance, and memory triage with next-step routing.

paid API
mobile-independance.vercel.app mobile-independance.vercel.app

Allora-powered crypto price predictions — 8-hour forecast window with high accuracy

paid API
clawmegle-production.up.railway.app clawmegle-production.up.railway.app

Query the Clawmegle Collective knowledge base - semantic search across 116k+ AI-to-AI conversations

paid API
x402-cybercentry-quantum-cryptography-verification.up.railway.app x402-cybercentry-quantum-cryptography-verification.up.railway.app

Verify and encrypt data using the Cybercentry Quantum Cryptography Verification (CQCV) API with x402 payment protocol. Returns encrypted data with record ID and decryption URL

paid API
x402-cybercentry-solidity-code-verification.up.railway.app x402-cybercentry-solidity-code-verification.up.railway.app

Scan a deployed smart contract using Cybercentry. Supported chains: mainnet, base, poly, arbi, optimism, avax, bsc, gnosis, zkevm, blast. Returns job_id, overall_risk, status. $0.02 per scan

paid API
x402-server-sandy.vercel.app x402-server-sandy.vercel.app

AI research report for any NFT: mint date, current floor, ROI since mint, community lore, sentiment (BULLISH/BEARISH/NEUTRAL/RUGGED), and artist background. Powered by Gemini + OpenSea + Google Search grounding. Works with any ERC-721/1155 …

paid API
basepost.vercel.app basepost.vercel.app

BasePost by basepost.base.eth: The internet used to be fun. Now every article comes with 47 ads, 12 popups, and a newsletter signup that won't take no for an answer. BasePost brings back the good old days: clean pages, good writing, and you…

paid API
chrombot-x402-inohxop4k-eval-engine.vercel.app chrombot-x402-inohxop4k-eval-engine.vercel.app

ChromBot Public Sale - Coming Soon! Be the first to know when registration opens. Developed by EvalEngine & Chromia team.

paid API
x402-cybercentry-cyber-security-consultant.up.railway.app x402-cybercentry-cyber-security-consultant.up.railway.app

Ask data protection, information security or cyber security questions using the Cybercentry Cyber Security Consultant (CCSC) API. Returns expert security guidance and recommendations

paid API
merc-growth.vercel.app merc-growth.vercel.app

Wallet-specific MERC growth opportunities, tier unlocks, and next-best actions.

paid API
vendor-entity-brief.vercel.app vendor-entity-brief.vercel.app

Short vendor entity brief for procurement, payouts, and cross-border onboarding. Query by legal name and get a machine-usable GLEIF entity match summary, LEI candidate shortlist, jurisdiction and registration details, plus OFAC restricted-p…

paid API
ask-surf-x402-production.up.railway.app ask-surf-x402-production.up.railway.app

Payment for Ask Surf research job ($2.00 USDC). Poll https://x402.asksurf.ai/x402/tools/ask_surf_research_status for job status.

paid API
x402-data-bazaar.vercel.app x402-data-bazaar.vercel.app

Find the next business day on or after a specific date for a country. Returns whether the input date is already a business day, any holiday on that date, the next business day, and an execution recommendation. Optional ?tz=America/New_York.…

paid API
x402-cybercentry-erc-8004-agent-verification.up.railway.app x402-cybercentry-erc-8004-agent-verification.up.railway.app

Verify AI agent identity, authenticity and risk using the Cybercentry ERC-8004 Agent Verification (CEAV) API. Returns on-chain verification results for AI agents using the ERC-8004 standard

paid API
x402-vehicle-api-production.up.railway.app x402-vehicle-api-production.up.railway.app

UK DVLA vehicle details by registration plate.

paid API
signal-engine-production-d88d.up.railway.app signal-engine-production-d88d.up.railway.app

Individual arena strategy signal

paid API
pay.clawmoney.ai pay.clawmoney.ai

Agent Hub service payment

paid API
openapi.aisa.one openapi.aisa.one

Access to protected resource

paid API
pay.lnpay.ai pay.lnpay.ai

Access to protected resource

paid API
witness.bnbot.ai witness.bnbot.ai

Get tweet details with signed proof

paid API
www.paylog.dev www.paylog.dev

8 Things That Tripped Me Up Implementing x402

paid API
acp-x402.virtuals.io acp-x402.virtuals.io

acp job budget ($0.001)

paid API
www.netprotocol.app www.netprotocol.app

Fund backend wallet for relay service

paid API
stableproduct.dev stableproduct.dev

Resolve a Channel3 website/domain and commission rate.

paid API
api.memoryapi.org api.memoryapi.org

Translate text between 11 languages — EN ES FR DE IT PT ZH JA AR RU KO

paid API
costpulse.waltsoft.net costpulse.waltsoft.net

Cross-region AWS price comparison. Find the cheapest region for any service in one API call.

paid API
wallet.lonestaroracle.xyz wallet.lonestaroracle.xyz

EVM wallet risk scoring — transaction patterns, exposure analysis, suspicious activity

paid API
agenttrust.uk agenttrust.uk

Scan any OpenClaw SKILL.md for malware, prompt injection, exfiltration, and 37 other threat patterns. Returns risk score 0-100 and detailed findings.

paid API
contract.lonestaroracle.xyz contract.lonestaroracle.xyz

Smart contract verification and security analysis on Ethereum Base BSC Arbitrum Polygon

paid API
ta.lonestaroracle.xyz ta.lonestaroracle.xyz

Multi-timeframe analysis — all 4 timeframes (15m, 1h, 4h, 1d) with confluence score and AI summary

paid API
kaleiai.com kaleiai.com

KALEI standard profiling: cognitive evaluation across core dimensions. Docs: kaleiai.com/papers

paid API
discovery.hugen.tokyo discovery.hugen.tokyo

Find x402 pay-per-call APIs — 2,400 verified entries across 24 categories (DeFi, Weather, AI/LLM, Security, Finance/FX, Content, Domain, Visual, Intelligence, etc). Quality-scored, relevance-ranked with brokerable flag. No setup needed. Acc…

paid API
api.jubjubapp.com api.jubjubapp.com

Create a new content item in the paying wallet's auto-provisioned JubJub workspace. Draft state; call launches_create to publish. The signer wallet becomes the on-chain revenue recipient once the content contract deploys. Body does not need…

paid API
intel.hugen.tokyo intel.hugen.tokyo

AI-synthesized wallet intelligence — address security check, on-chain transaction analysis, activity classification (whale/bot/trader/retail), and risk scoring 0-100 with verdict. Aggregates address security, balance, transaction history, a…

paid API
api.cn402.com api.cn402.com

Real-time foreign exchange rate. Query param: ?pair=USDCNY (supports major CNY pairs and majors)

paid API