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?
www.aidatatools.dev
Deterministic post-scrape data cleaner and quality gate for AI agents. It repairs how data was ENCODED -- residual HTML tags and entities, mojibake ("Café" for "Café"), zero-width and invisible characters, non-breaking spaces, stray whites…
audit-tools.ai
Evaluate an Apify actor before you use it. Send one actor ID (for example apify/instagram-scraper) and get an evidence-backed quality report: 23 built-in criteria like reliability, 30-day failure rate, advertised-field truth, and cost per u…
datasourcepulse.com
One live health check on a data source, one instant machine-readable verdict. Monitor an Apify actor, API, or scraper for failures; check whether an API key silently failed; detect schema drift, stale data, empty results, dead credentials, …
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…
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…
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…
walletrep.hergertsynthora.com
Score the risk and reputation of any EVM wallet address before you transact with it. Combines on-chain sanctions screening (Chainalysis oracle, TRM, OFAC) and GoPlus address-security flags (phishing, blacklist, mixer, malicious activity) wi…
contractwatch.hergertsynthora.com
SYNTHORA contractwatch: verdict de seguridad de contrato on-chain que SI lee el bytecode (eth_getCode) y slots de proxy (EIP-1967/zeppelinos/UUPS/beacon), owner() y privilegios ocultos: honeypot, rug-pull, hidden mint. Correlacionado entre …
vibes-coded.com
Pay-per-call reliability and intelligence APIs for AI agents on Solana USDC via x402: destructive-action, infra-target, tool-call-budget, agent-state, drift, retry-storm guards, action receipts, and 90+ more endpoints. HTTP 402, no signup.
happybirthday.digitalshop.xin
Deterministic preflight risk checks for public GitHub bounty issues. Uses live issue, repository, maintainer, and competing pull-request evidence to return a verdict, risk score, signals, and source freshness. x402 v2, $0.001 USDC on Base, …
agentpass-protocol.rmalka06.chatgpt.site
Authorizes exact autonomous-agent actions against explicit policy, returns short-lived signed receipts, and scans MCP tool metadata for high-risk gaps.
pulsefeed.dev
Ask before you pay: PulseFeed tells an AI agent whether an x402 payment endpoint is safe to pay — liveness, anomaly scan (receiver-address changes between observations, catalog price vs. challenge price, invalid receivers, asset/network mis…
copperhead.lonestaroracle.xyz
Security audit for Move smart contracts on Aptos and Sui. Post Move source or a GitHub URL and get back a structured report with findings graded by severity.
rattler.lonestaroracle.xyz
Automated security audit for Solidity and EVM smart contracts, returning a Markdown report with findings by severity, proof of concept snippets and remediation notes. $2 USDC per call on Base or Solana.
cottonmouth.lonestaroracle.xyz
POST /audit with Rust smart contract source or a GitHub URL and it returns an LLM generated security audit report, with per finding severity, description, proof of concept and fix. Covers CosmWasm, Anchor/Solana, Soroban and NEAR. $2 USDC p…
nolawealthfinancial.com
Signed x402 verification and screening primitives: claim notarization, resolver-graded verdicts, OFAC SDN screening, and validated corporate distress scoring, backed by an on-chain correctness bond.
aegis.borisinc.com
The trust and reputation layer for the x402 agent economy. Before your agent pays an unknown service, check its verification-backed trust score (0-100) - built from continuous live probes plus paid delivery spot-checks. Scores update contin…
permitverdict.com
Address-level building-permit intelligence. One call, one address returns normalized permit history, activity signals, and a decision-ready verdict with cited public records. Covers san francisco, seattle, austin, nyc, chicago, los angeles,…
watchtower-api.com
Compliance & data-integrity for AI agents: sanctions/watchlist screening (10 official lists — OFAC SDN+Consolidated, UN, EU, UK OFSI, Canada, Australia, France, Switzerland, US SAM exclusions — ~229k parties, daily), one-call KYB, identifie…
payanagent.com
The marketplace for the agent economy. 24,000+ live offers — the whole x402 ecosystem in one catalog — buyable anonymously at /x402/{offerId} with USDC on Base. Four verbs: buy, offer, request, fulfill. Every settlement emits a public signe…
secondopinionx402.com
Adversarial verification for AI agents: an independent skeptic attempts to refute a claim before the agent acts on it, returning a structured verdict (refuted / supported / inconclusive) with calibrated confidence, findings, citations, and …
5-9-107-124.nip.io
AI-agent-payable Base swap preflight and token/contract risk APIs (x402/USDC on Base; no account required).
hexscan.xyz
Smart contract risk triage API. Send a contract address, get a composite risk score (0-100) with honeypot detection, tax analysis, source verification, and heuristic findings. Not an audit.
x402-discovery.nishvault.com
0.01 USDC on Base for pre-send EVM transaction simulation for AI agents. Returns an x402 v2 challenge and, after payment, a preflight result and proof receipt; never broadcasts the transaction.
norravex.com
Deterministic conformance and safety audit for public x402 HTTP 402 responses, with URL and payload modes, scored findings, and remediation.
sanctions.nsgoods.org
Multi-chain OFAC SDN exact-address screening. 960 sanctioned addresses across 19 chains, parsed directly from the US Treasury sdn_advanced.xml, including the Solana entries the Chainalysis on-chain oracle cannot see because it is EVM only. …
fractalai.net.co
Post-quantum (CRYSTALS-Dilithium-2, NIST FIPS 204) services for autonomous agents, payable per call in USDC on Base: Dilithium-2 signing, PQC signature verification, AI decision attestation (VAID-1), training-data attestation (C2PA), proven…
herramientas-cobrables.consultoressasic.chatgpt.site
Small deterministic pay-per-use services for AI agents: JSON contract validation, business margin and break-even calculations, and public stock quotes. Payments settle with x402 v2 using USDC on Base.
api.canuverify.com
Machine-first verification APIs for autonomous agents: deterministic MCP package security audits, isolated website and WebGL release QA, and structured invoice normalization or OCR verification with signed technical receipts.
api.mysterio.cloud
Three keyless pay-per-call services for AI agents on Base mainnet. Verify: signed attestations that a site was reachable, a file is unchanged, a TLS certificate says what it claims, or JSON matches a schema — each with an Ed25519 receipt a …
vianerds.com
Deterministic pay-per-call audit for supplied static HTML. Returns a 0-100 launch-risk baseline with exact SEO, social sharing, accessibility and markup evidence plus prioritized fixes. The endpoint does not fetch or mutate websites and mak…
tokenrisk.hergertsynthora.com
Takes a token contract address on Base or Ethereum and returns a safe, caution, risky or rug_pull verdict, combining GoPlus token security data (honeypot simulation, buy and sell tax, holder count, ownership flags) with a bytecode scan, own…
mailcheck.hergertsynthora.com
Email address validation API. Returns RFC syntax check, live MX lookup, disposable and role account flags, free provider detection, gmail normalization, and a deliverability status with confidence score. No mail is sent. First 3 calls per w…
virtualsms.io
Pay-per-call SMS verification and OTP receiving for AI agents - real carrier numbers across 145+ countries and 2500+ services, from $0.05 per code in USDC via x402, no account or API key. For signup testing, account verification, and privac…
lazaretto.dev
Deterministic pre-install malware verification for npm packages, AI agent skills, and MCP tools. Behavioral scan with file-and-line evidence for 0.03 USDC per call over x402 on Base, plus a free lockfile check against OSV/OpenSSF malicious-…
trustfetch.duckdns.org
Safety/content tools for AI agents: scan text for hidden prompt-injection attempts, or fetch+clean a webpage with built-in injection screening before your agent acts on it.