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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 320 AI 122 Finance 83 Verification 55 Blockchain 54 Other 21 Content 17 Search 14 Web 12 Compute 12 Infrastructure 10 Inference 9
sort Quality Revenue (30d) Recently updated Name
Showing 1765–1800 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.
Screen a crypto wallet address against global sanctions and illicit-activity intelligence. amlscreen.hergertsynthora.com

Screen a crypto wallet address against global sanctions and illicit-activity intelligence. Cross-checks the on-chain Chainalysis sanctions oracle, TRM screening, OFAC SDN and GoPlus address flags (mixer, phishing, laundering), returning a s…

paid API offline verification x402
$0.44 · 30d 98 tx
SYNTHORA regwatch regwatch.hergertsynthora.com

SYNTHORA regwatch: x402 Registry Watch: signed Ed25519 deltas of the x402/A2A endpoint registry (payTo/listings/endpoints). Pay-per-event feed pull. POST {"since":"<cursor|ISO>","slug":"<slug>","limit":<=200}.

paid API offline data x402
$0.44 · 30d 98 tx
X402 x402.midnight-compliance.com

HIPAA compliance gap teaser — real findings drawn from the Midnight Infrastructure knowledge base, tailored to your org type and stated concern.

paid API x402
$7.00 · 30d 3 tx
punksinapunk.0000402.xyz punksinapunk.0000402.xyz

Pay $10.00 USDC to mint a PunksinaPunk NFT for a subject address. The API verifies the x402 payment, checks that the subject has not already been minted, then calls mint() on the ERC-721 contract on your behalf. One NFT per subject address …

paid API x402
$502.62 · 30d 78 tx
bridge-routes.api.klymax402.com bridge-routes.api.klymax402.com

Find the best cross-chain bridge route (POST variant)

paid API x402
$7.40 · 30d 1,342 tx
schema.nsgoods.org schema.nsgoods.org

Signed extractability score (0-100) + breakdown + fixes for a URL

paid API x402
$1.09 · 30d 27 tx
diff-checker.api.klymax402.com diff-checker.api.klymax402.com

Compare two texts and show line-by-line differences

paid API x402
$7.40 · 30d 1,342 tx
x402-factory.mizcoltd.workers.dev x402-factory.mizcoltd.workers.dev

Look up any legal entity worldwide by its 20-character LEI (Legal Entity Identifier). Returns the GLEIF golden copy record: legal name, jurisdiction, addresses, registration status. Global KYB primitive.

paid API x402
$0.25 · 30d 22 tx
mcp.onchaindiligence.com mcp.onchaindiligence.com

Get a single counterparty verdict — PASS or BLOCK — for an EVM wallet address, with reasons. BLOCK means the address is sanctioned (OFAC via the Chainalysis on-chain oracle); PASS means no sanctions match. Never returns a false PASS. For au…

paid API x402
$0.06 · 30d 6 tx
token-holders.api.klymax402.com token-holders.api.klymax402.com

Get token holder analysis with concentration metrics (POST variant)

paid API x402
$7.40 · 30d 1,342 tx
payment-verifier-cdp.relayhop.workers.dev payment-verifier-cdp.relayhop.workers.dev

Real-time on-chain payment verification and check via Base RPC. Returns structured signals: verified status, amount, sender, recipient, transaction confirmation, block number. Pay $0.005 USDC per check. Covers payment, transaction, address,…

paid API x402
$0.25 · 30d 26 tx
www.agenticcommerce.cafe www.agenticcommerce.cafe

Create a paid comment or nested reply from a registered or human-linked wallet profile.

paid API x402
$0.00 · 30d 1 tx
app-production-3fbff.up.railway.app app-production-3fbff.up.railway.app

Upcoming album, EP and single releases in the next 45 days: K-pop (Korea), J-pop (Japan), V-pop (Vietnam), Thailand, US and UK. Artist, title, release date, type, label and track count from MusicBrainz open data. Refreshed every 6 hours. Pe…

paid API x402
$0.11 · 30d 21 tx
football-pulse-x402-production.up.railway.app football-pulse-x402-production.up.railway.app

Soccer fixtures and results for any league and any date: kickoff times (UTC), final or live scores, venues and match status for Premier League, LaLiga, Serie A, Bundesliga, Ligue 1, Champions League, Europa League, MLS, Championship, Erediv…

paid API x402
$0.11 · 30d 21 tx
verifyuk-property-check-production.up.railway.app verifyuk-property-check-production.up.railway.app

Evidence-backed English property planning-constraint screen for listed buildings, conservation areas, Article 4, green belt and planning flood zones. Screening only, not legal advice. Authentication and an Idempotency-Key are required.

paid API x402
$0.05 · 30d 1 tx
gofrantic.com gofrantic.com

Create and fund a private Frantic bounty intake with Base USDC. Frantic reviews funded work before publishing it to the public board.

paid API x402
$177.10 · 30d 2 tx
mcpscan.hergertsynthora.com mcpscan.hergertsynthora.com

Scans an MCP server for security issues. Send a target URL or a pasted manifest; a deterministic rule engine checks embedded secrets, shell and filesystem capabilities, prompt injection surface and permissive input schemas, returning a secu…

paid API offline verification x402
$0.44 · 30d 98 tx
anthropic.yeetful.com anthropic.yeetful.com

Yeetful — Anthropic Claude Haiku 4.5 inference over MCP Streamable HTTP, hosted at anthropic.yeetful.com. Exposes ask_claude (single-prompt completion) and claude_chat (multi-turn) tools, capped at 256 output tokens per call. Pay-per-call i…

paid API x402
$0.01 · 30d 8 tx
trustscore.dev trustscore.dev

Check if a phone number, crypto token, or property address is trustworthy. Returns a 0-100 trust score, confidence, risk flags, and plain-English summary. Detects phone fraud, spam, robocalls, and VoIP; crypto rugpulls, honeypots, and scam …

paid API x402
$0.20 · 30d 10 tx
gdpr-scanner.api.klymax402.com gdpr-scanner.api.klymax402.com

Scan a website for GDPR compliance — cookie consent, privacy policy, trackers (POST variant)

paid API x402
$7.40 · 30d 1,342 tx
businessrisk.hergertsynthora.com businessrisk.hergertsynthora.com

Composite counterparty risk check: given an EVM wallet and/or a token contract, returns a weighted 0-100 risk score, a proceed, pivot or kill verdict, and reason codes, fusing sanctions screening, wallet reputation and token contract heuris…

paid API offline verification x402
$0.44 · 30d 98 tx
stable-enrich-git-shafu-fullenrich-search-pricing-merit-systems.vercel.app stable-enrich-git-shafu-fullenrich-search-pricing-merit-systems.vercel.app

FullEnrich People Search — filter by company domain/name/LinkedIn URL, seniority, title, location, skills, and 20+ FullEnrich filters. Default lean roster: companies map + company_id refs; include_employment_history or verbose for full hist…

paid API x402
$744.07 · 30d 27,657 tx
pqs.onchainintel.net pqs.onchainintel.net

Pass/Fail before you waste budget on a doomed call. Decide whether to make a paid LLM call before you make it. Preflight scores your prompt against an 8-dimension quality rubric (pass/fail at 28/80) and optionally pulls the target endpoint'…

paid API x402
$6.01 · 30d 152 tx
x402currencyconvert.vercel.app x402currencyconvert.vercel.app

Convert an amount from one fiat currency to another using live reference exchange rates.

paid API x402
$0.01 · 30d 7 tx
CIV Commodity Data data.lagoontechsystems.com

x402-paid HTTP API for cocoa, coffee, sugar, cotton, and cashew commodity data. First-mover Côte d'Ivoire farmgate prices (CCC decrees), ICE Futures US settlements, CFTC COT positioning, USDA reports, and historical trends. No API keys — US…

paid API offline x402
$2.22 · 30d 85 tx
api.ownedforever.com api.ownedforever.com

AI Infrastructure news briefing - get latest articles about AI compute, datacenters, and infrastructure

paid API x402
$0.01 · 30d 1 tx
SYNTHORA Contract Guard pay.hergertsynthora.com

POST a Base contract address and receive a JSON safety verdict covering honeypot, rug pull, hidden mint and owner privileges, returned with an Ed25519 signature. One endpoint on the SYNTHORA agent services mesh operated by Hergert Synthora.…

paid API offline verification x402
$0.44 · 30d 98 tx
SYNTHORA RPC Network Metadata rpc-network.hergertsynthora.com

Returns chain metadata for five EVM chains (Ethereum, Base, Polygon, Arbitrum, Optimism): chain ID, latest block, gas price and finality, read from public RPC endpoints and returned with an Ed25519 signed receipt. Three free calls per walle…

paid API offline blockchain x402
$0.44 · 30d 98 tx
SYNTHORA MEV Exposure Detector mevdetector.hergertsynthora.com

Checks a Base transaction hash for MEV exposure. Identifies whether it is a DEX swap and scans neighbouring transactions in the same block for sandwich, frontrunning or backrunning patterns, returning one of no_swap, swap_exposed, frontrun_…

paid API offline blockchain x402
$0.44 · 30d 98 tx
SYNTHORA Agent Pre-Trade Safety agentguard.hergertsynthora.com

Returns a pre-trade risk verdict (SAFE, CAUTION or BLOCK) for an EVM address in one call, combining sanctions screening, stablecoin peg deviation in bps and a counterparty on-chain signal into an Ed25519-signed attestation. Scoring only, it…

paid API offline verification x402
$0.44 · 30d 98 tx
Wikipedia Article Summary wikipedia.hergertsynthora.com

Returns a Wikipedia article summary for a given title: title, extract, page ID and canonical URL, sourced from the Wikipedia REST API. No API key required. 0.001 USDC per call on Base, with 3 free calls per wallet via the X-WALLET header.

paid API offline data x402
$0.44 · 30d 98 tx
FX Exchange Rates (ECB) fx-rates.hergertsynthora.com

Foreign exchange reference rates for 30+ currencies, sourced from European Central Bank data via the Frankfurter API. Keyless JSON endpoint; the first 3 calls per wallet are free.

paid API offline finance x402
$0.40 · 30d 59 tx
SYNTHORA RPC Proxy Detect rpc-proxy.hergertsynthora.com

Checks an EVM contract for EIP-1967 style proxy slots and returns implementation, admin and beacon addresses when present. Responses are Ed25519 signed. Legacy or non standard proxy slots are not resolved. 3 free calls per wallet via the X-…

paid API offline blockchain x402
$0.44 · 30d 98 tx
SYNTHORA RPC Receipt rpc-receipt.hergertsynthora.com

Returns an EVM transaction receipt (status, gas used, block number, log count) for a given transaction hash via eth_getTransactionReceipt, with an Ed25519 signature over the response. First 3 calls per wallet are free using an X-WALLET head…

paid API offline blockchain x402
$0.44 · 30d 98 tx
SYNTHORA BIC/SWIFT Check biccheck.hergertsynthora.com

Validates a BIC/SWIFT code (ISO 9362) from its structure: 8 or 11 character format, bank code, ISO 3166 country check, location and branch decode, live/test/passive flag. Structural check only, it does not query the SWIFT registry. First 3 …

paid API offline verification x402
$0.44 · 30d 98 tx
SYNTHORA Native Balance (eth_getBalance) rpc-balance.hergertsynthora.com

Returns the native coin balance of an EVM address (wei and decimal) via eth_getBalance on Base, Ethereum and other chains, with an Ed25519 signed response receipt. 0.001 USDC per call over x402 on Base; first 3 calls per wallet are free wit…

paid API offline blockchain x402
$0.44 · 30d 98 tx