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?
catc.x420.dev
Buy custom USDC amount worth of CATC tokens 0x8efE37734db03e316531532E39D7EDe5AF731b07
arb.axryl.com
Access to arbitrage opportunities between Polymarket and Kalshi. Pricing valid at time of call. By proceeding you acknowledge opportunities do not always exist and results may be empty. Data provided for informational purposes only; verify …
flash.x420.dev
Buy custom USDC amount worth of FLASH tokens 0x4899bfF1664675FFE4b2546d626b41d86f0bDb07
app-446.hdgregory.com
Scrapes a URL and returns structured JSON: title, meta tags, headings, paragraphs, links, tables, extracted emails and phone numbers, and word counts. Accepts a single 'url' or a list of 'urls' for batch scraping. Includes retry logic and a…
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…
skills.onesource.io
Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy
x402.blocknotify.com
Get real-time token price, market cap and more. Pass an EVM chain plus ERC-20 contract address; returns current price (USD or any quote currency), 24h/7d/30d percentage changes, market cap, fully diluted valuation, 24h volume, all-time high…
x420bot.x420.dev
Buy custom USDC amount worth of X420Bot tokens 0x02b4C075034DCf750B89D3A4137e97c538975b07
x402-endpoint-risk-corpus.mtree.workers.dev
Hosted x402 endpoint risk, payee reputation, autopay policy, and attack-surface corpus. Scores paid endpoints and payees for discovery, payment metadata, buyer concentration, price sanity, known x402 attack-class footguns, and wallet-drain-…
x402.tabiji.ai
Generate a deterministic, source-linked travel scam brief from Tabiji's curated scam/safety corpus.
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…
pepe.x420.dev
Buy custom USDC amount worth of PEPE tokens 0x2CBCb4a8Db7Ebe8E9Be3329A75252E53D0993b07
api.agentphone.ai
Service: AgentPhone (https://api.paysponge.com/v1/numbers)
poim.io
Submit answer to trivia question and mint POIC tokens if correct. Minimal payment for x402scan visibility.
mako.pollinateresearch.com
_MAKO Pulse: endpoint reliability score derived from _MAKO's verification history. Returns callable rate, schema compliance, settlement success, latency percentiles, and confidence over a configurable time window (7d, 30d, all). Pairs with …
blockint.ai
Screen a blockchain address against the C3 community fraud database. Returns 'caution' if the address has reports or is OFAC-sanctioned, 'no_c3_reports' otherwise.
apexscout.ai
Verify x402 offers, terms, retry safety, and delivery evidence. Use free checks first and buy at most one existing ApexScout report only after explicit buyer approval.
schemafetch.panmediatech.workers.dev
Structured web extract for AI agents: fetch any public URL, return schema-constrained JSON for SaaS pricing, contacts, team, product, FAQ, or task-shaped fields. Confidence scores and source snippets. No API key — pay-per-call x402 USDC on …
slamlink-ai-main-50fbb45.d2.zuplo.dev
Returns trending tokens across the entire blockchain for a specified activity window and optional category. The size of the increase in active wallets over the activity window determines the token's trending rank.
gleif-entity.xplowdiaka.workers.dev
Resolve a company name to its canonical LEI: legal name, status, jurisdiction, address, registration status, and corporate hierarchy (parent + children) in one call, with a fuzzy-match confidence score. Data: GLEIF (CC0). Ask by legal or co…
api.palmai.tech
PALM Token Intelligence - AI-powered token analysis for any EVM token. Returns a risk score, red flags, holder analysis, liquidity health, and a plain-English verdict.
convert.kasandell.workers.dev
Transcribe audio to text. Supports MP3, WAV, M4A, OGG, FLAC, WebM. Returns { text }.
ipfs.c402.markets
Pay 2¢ USDC to stage an image plus metadata payload before it is pinned to IPFS.
api.syndicatelinks.co
Generate an affiliate tracking link — pay $0.01 USDC per link
gateway-dev.flamewire.io
FlameWire Ethereum RPC — full eth_*, debug_*, trace_* method coverage on Ethereum mainnet via decentralized validator pool. Pay-per-call USDC, no API keys.
df.x420.dev
Buy custom USDC amount worth of df tokens 0x3077c5e15F8BD67F05f73b4dC49a507543FF0b07
fpds-mcp.mtree.workers.dev
Two pay-per-call x402 endpoints for the U.S. Federal Procurement Data System (FPDS-NG): contracts/search ($0.04) and contracts/by_vendor ($0.05). Decades of federal contract awards, no signup, no API key — pay USDC on Base.
bitcoin.x420.dev
Buy custom USDC amount worth of BITCOIN tokens 0xc41338b5Aff79e763c91ef550D15e1Cf92D64b07
trace.sociologic.ai
Skip trace lookup - find phones, emails, and optionally owner info
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 …
payflowagent.net
Guenstiger Einstieg: Graduation-Fortschritt + Momentum-Zusammenfassung fuer einen nad.fun-Token auf Monad. Free probe (no payment): GET /v1/lite?token=0x...
www.agenticcommerce.cafe
Create a paid comment or nested reply from a registered or human-linked wallet profile.
human.0000402.xyz
Pay $0.10 USDC to submit a question to a real human community (Discord & Telegram). Returns a token to poll for responses. Status becomes 'ready' once at least 1 human response(s) are collected. Max question length: 2000 characters. Poll GE…
x402-market-api.lien-studio-akiyama.workers.dev
Third cdp-mode echo listing, created after the v2-spec PaymentPayload.extensions fix. Used to test whether a brand-new resource indexed only with the corrected wire format gets picked up by Bazaar discovery.
402atlas.com
Atlas — independent paid-test map of x402 services: every verified service + response samples + avoid-list, each with on-chain receipts. Free human-readable reports: https://402atlas.com/report.html and https://402atlas.com/market-report.ht…
mcp-server-quality-corpus.mtree.workers.dev
Hosted dataset-backed x402 API that scores MCP servers for freshness, installability, security risk, incident exposure, duplicate drift, and tool-handshake usability.