Every agent-payable API.

Dossier Suspect 001 — an agent-callable dossier suspect 001 service, payable over x402 (USDC on Base). Provided via epsteinisland.club. Priced around 0.2 USD per call.

Retrieve a seven-day USD-denominated report of Tether bridge flows on Ethereum. This is a bounded onchain stablecoin intelligence product backed by The Tie's data API.

This call for a Agent. Agent 'Who?'

Convert a time between any two IANA time zones (DST-aware). Pay-per-call in USDC on Base.

Metadata for a Base token: name, symbol, logo image, official website and social links (X/Telegram/etc.) plus price & liquidity — from DexScreener. For agents and UIs enriching a token.

Lightweight utility API for agents and operators: DNS lookups, RDAP/WHOIS domain data, HTTP probes, page metadata extraction, cryptographic hashing, JSON validation, scheduled webhooks, and exotic endpoints (Base transaction decode, ENS resolve, USGS earthquakes, cron next-run, TLS certificate report). No shell access; outbound URL tools enforce SSRF protections.

Email verification and deliverability check without sending anything: syntax, MX records, disposable-domain detection (121k+ known domains), role-account and free-provider flags. JSON verdict with a bounce/deliverability risk level. Validate emails for signup fraud prevention, list hygiene and lead qualification. $0.004 USDC per call, pay via x402, no API key.

CoinStats crypto news filtered by topic (handpicked, trending, latest, bullish, bearish)

Xlayer Testnet — an agent-callable xlayer testnet service, payable over x402 (USDC on Base). Provided via x402.quiknode-cf.pro.

Base Sepolia — an agent-callable base sepolia service, payable over x402 (USDC on Base). Provided via x402.quiknode-cf.pro.

Transactions Explain — an agent-callable transactions explain service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.01 USD per call.

Greedy multi-venue execution route for one crypto perpetual: walks venues in slippage order, allocating up to each venue's depth cap until size_usd is filled. Returns the route, total filled and blended slippage — how a large order splits across CEX and DEX venues. NAIVE: excludes fees.

Cross-venue funding-rate spread for one crypto perpetual — the highest- and lowest-paying venues and the spread in bps, across major CEX and DEX perp venues (Binance, Bybit, OKX, Hyperliquid, Paradex, Drift …). The screen a funding-arb or basis desk starts from. `spread_bps` is the RAW rate difference — the same quantity, under the same name, as on `/v1/perp/arbitrage/funding`; `normalized_spread_8h_bps` scales both legs to 8h first — the comparable one, since venues quote on 1h/4h/8h. Leg intervals ship with the row; normalized is null when a schedule is unknown, never defaulted.

24-hour rolling USD volume for one crypto perpetual on one venue — liquidity and activity ranking across tracked CEX and DEX perp venues.

Historical 24h-volume timeseries for one crypto perpetual on one venue, aggregated 1h/4h/1d — liquidity over time for backtests and venue selection. 30–90d window cap.

Naive single-venue best execution for one crypto perpetual: the venue with the lowest precomputed slippage at your requested size. Excludes fees, funding and latency — a baseline to measure a router against, not a router.

Firecrawl — Extract structured data from URLs using a schema.

Wallet profile: funding source, network membership, exchange attribution, tags, and tokens created by this wallet.

x402swag.com — swag store for AI agents. Full catalog (products, variants, USD prices, collections) plus the exact x402 buy flow, in one call.

Instant pre-validation of French company numbers before invoicing or costly Sirene API calls. Auto-detects SIREN (9 digits) vs SIRET (14 digits), applies the INSEE Luhn rule and the documented La Poste exception (356000000*: digit sum mod 5). Query: ?number=44306184100047 (spaces/dots/dashes tolerated). Returns valid, type, siren, nic and the rule applied. Pure offline computation, 1y cache.

Search tweets, X-API-style raw shape. Body: {"q":"x402","sort":"Latest","limit":20} - the param is q, not query

Fetch a tweet (with thread context) by URL/id or a user (with recent tweets) from one URL

A user's recent tweets, ~20/page. Body: optional cursor + include_replies only

Why isn't my x402 listing getting discovered/sold? ?domain=you.com returns your Bazaar ranking inputs as cohort percentiles — last-30-day calls & unique payers, staleness, resource count, live health — so you can see where you sit vs the catalog. No args = cohort distribution + zero-call (invisible) listings. The visibility companion to listing-doctor. Descriptive percentiles, not a verdict.

Systemic reliability of x402 services grouped by shared hosting platform (workers.dev, vercel.app, fly.dev, onrender.com, run.app, trycloudflare.com …). See which platforms have high bad_rate or tail latency before you route a paid call. No args = all platforms ranked; ?domain=x.com = that domain's platform risk. Objective aggregation across all probed tenants — only a full-catalog prober can compute it.

Telegram advertising data: available ad networks and their minimum deposits, compare where to run campaigns.

Base gas price now, base fee and priority fee in gwei, block time, congestion and utilization trend, ETH price USD, and the USD cost to settle an ETH transfer, USDC ERC-20 transfer, or x402 payment on Base mainnet — one settle-now-or-wait verdict with rationale. Full market briefing; for the per-transaction submit/fee call see /base/tx-decision. GET, no inputs, no API key; computed live from Base RPC blocks.

Live reliability feed of x402 endpoints on Base: which services are up, return a valid 402 envelope, and how fast — free-probed across the CDP Bazaar catalog. A real share of listed endpoints are broken/misconfigured; poll ?since=<unix> (or ?health=healthy) to route your agent to endpoints that actually work. Objective measurement, no accusation, machine-readable.

Paginated list of all indexed x402 resources

Overall high-level facilitator stats

Paginated list of merchants (top recipients by volume)

Aggregate stats for a merchant

List all registered x402 resources for an origin

$1 USDC - MINT 4,000 $x402PUSSY tokens - fair launch, no pre-mine or team allocation, and liquidity auto-added at mint completion.

AI & digital-regulation segment of Japan regulatory events: AI Basic Plan, generative-AI guidelines, cybersecurity strategy, privacy rules. English, human-reviewed. Factual reporting only; not legal advice.

Combines security flags with the verified ABI's function names, then Claude explains the contract's dangerous capabilities — owner can mint, pause, blacklist, upgrade or self-destruct — with a danger level. Goes beyond raw flags to read what the contract can actually do.

AI-generated social research: Twitter/X activity, Telegram presence, website analysis, mentions, sentiment, and entity verification.

APEX Runner: Fg Micro Signal

APEX Runner: Market Tick Signal

Active ICS campaign tracker. Pass ?sector=electric&status=active. Returns campaigns currently targeting a sector with actor attribution, start date, targeted geography, TTPs in use, and CVEs being exploited. No free equivalent for live campaign status.

AgentOracle: list real-time on-chain crypto tokens sorted by market cap, with chain / min-liquidity / min-24h-volume / min-market-cap filters and limit+offset pagination. Each row includes price, 24h volume, market cap, liquidity, 24h price change, and confidence score.

AgentOracle: live service-health snapshot — tracked-token count, last ingestion timestamp, ingestion error counter, process uptime, and API version. Use as a cheap heartbeat before issuing larger queries.

Aggregate stats for a Solana token: price, market cap, volume windows, holder count, liquidity.

Alias of /api/token-details. Full holder breakdown with networks, individual holders, and exchange distribution. Pass `analysis` to fetch a historical snapshot.

Rank the active DeltaSignal slice by deterministic Phase 1 alpha score.

Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly reports, and 8-K material events. Resolves ticker to CIK via SEC's official index and returns the parsed filing (company, form type, dated items). Sourced live from data.sec.gov.

Quality score for any x402 service, earned by real paid probes with on-chain receipts: composite 0-100, component breakdown (payment settlement, schema conformance, ground-truth accuracy, LLM-judged quality), 7-day trend, probe count. Scores publish only after 20+ probes across days; daily corpus digests are Bitcoin-anchored via OpenTimestamps. Query: /score?service={url-encoded resource URL}. Free: /tier/{url}, /leaderboard. Agent guide: https://assay.nominal-labs.com/SKILL.md

US inflation expectations — market breakevens and Cleveland Fed model estimates across horizons, macro time-series.

Futures product universe — product codes, names, exchanges, sectors, asset classes and settlement details.

MACD momentum indicator for any ticker — trend and signal-line analytics for stocks, crypto, forex and options.