Use when an agent needs the top x402 services tagged 'onchain'. Returns Highest-demand x402 services tagged 'onchain': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 165 providers and 235 paying wallets measured in this tag.

Get moving average convergence/divergence (MACD) data for a ticker symbol over a given time range. Can't find what you're looking for? POST feedback to /feedback, no charge.

Get the AIS track of the last 7 days for a 9-digit MMSI as JSON: up to 1000 evenly sampled fixes with time, position and speed, ending at the newest fix. Sold only for vessels the AIS Fleet network currently observes; gaps between fixes mean no reception, never interpolation.

Get the AIS track of the last 24 hours for a 9-digit MMSI as JSON: up to 1000 evenly sampled fixes with time, position and speed, ending at the newest fix. Sold only for vessels the AIS Fleet network currently observes; gaps between fixes mean no reception, never interpolation.

Get the AIS track of the last 30 days for a 9-digit MMSI as JSON: up to 1000 evenly sampled fixes with time, position and speed, ending at the newest fix. Sold only for vessels the AIS Fleet network currently observes; gaps between fixes mean no reception, never interpolation.

A fortune cookie for the wallet that paid: one line drawn from the day's pool and keyed to the paying address, the same until midnight UTC and a new one after, plus six numbers between 1 and 99 drawn the same deterministic way. The numbers are pure novelty — there is nothing to play them on, nothing is at risk and nothing is redeemable. They are the printed slip, not a mechanism. Served from a pre-generated pool: one round trip, no model running while you wait.

Graffiti on a Train. REQUIRES ?tag= on the paid request — a signed request without it is refused before the gate and no money moves. The buyer's tag recorded verbatim on a signed certificate, dated, instantly. Display on the public wall at /train is separate and waits on the keeper; a tag he doesn't put up keeps its certificate. Amounts above the minimum record as tips. Full listing: https://scvd.store/menu/graffiti_on_a_train. MCP tool: buy_graffiti_on_a_train.

A Signed Hello. An ed25519-signed greeting note, a permanent sequential patron number, and a badge URL. Full listing: https://scvd.store/menu/hello. MCP tool: buy_hello.

Live job postings without scraping: company= returns an employer's current openings straight from their official ATS board (Greenhouse, Lever, Ashby, SmartRecruiters) with title, location, department, type and apply URL; query= searches remote-heavy job APIs (Remotive, Arbeitnow) by keyword. Optional location= filter. JSON response. $0.02 USDC per call, pay via x402, no API key.

Agent-driven wallet due diligence — multi-step investigation, signed markdown report + JSON sidecar, dual-chain anchored. Async — returns job_id; poll /v1/investigate/status/{job_id} for the deliverable. ETA 5-10 min. $1.77 USDC.

Official National Weather Service forecast for any US coordinate - six 12-hour day/night periods by default, or hourly - each with temperature in C and F, precipitation probability, a wind speed range in km/h, wind direction and a short forecast, plus the NWS issue time so an agent can judge its age. detail=full adds the narrative, icon, dewpoint and humidity. United States, its territories and coastal waters only. Use when: What is the weather forecast for these US coordinates?

Generate a finished, professional invoice PDF from JSON — recipient and line items in, a ready-to-send application/pdf out. Layouts: standard, legal, creative. Totals and tax are computed server-side so the numbers always add up. First payment auto-creates a wallet profile (token + API key in response headers); returning wallets get sequential invoice numbering and can save a sender letterhead. USD only.

Japanese address validation and quality decision. Keywords: Japanese address validation, address conflict, address quality, partial match, 日本住所検証. Validate parser, postal, and geocoder evidence using one address policy, returning exact, partial, ambiguous, conflict, or unverified status with the accepted hierarchy and reasons. / 使用统一规则合并解析、邮编和地理编码证据，并返回完全一致、部分一致、歧义、冲突或未验证状态。

Verify an x402 seller before paying it: does it exist and respond with a well-formed 402 challenge, is its own declared input/output schema internally consistent, and is its payout address sanctioned? Checked live against the seller itself plus Chainalysis's sanctions oracle and Blockscout (Base payTo addresses only). Confirms the checkable things about a seller check out -- not a guarantee of trustworthiness, which no free source can promise.

Verify an FDA drug record: given a claim_type (approval, ndc, or recall) and its identifier, does that record actually exist, and does the given name match the canonical record? Checked against openFDA. Catches a fabricated or misattributed drug approval, NDC listing, or recall citation. Existence/status only, not medical advice.

Verify a GitHub repo: does it exist, is it archived or disabled? Catches an agent recommending or depending on a repo that's been renamed, taken down, or abandoned. Checked against the GitHub REST API.

Signed proof of what a web page said: give a URL, get its text, screenshot and TLS details with a timestamped cryptographic signature anyone can verify.

Is this Base token safe to buy? Simulates a real buy and sell (honeypot + hidden tax test), checks owner powers (mint, blacklist, fee changes), whale concentration, liquidity lock and scam lists. Returns scam / high_risk / caution / low_risk with reasons.

Reverse lookup: find every Brazilian company where a given person or entity appears as partner/shareholder, by name (full-text, accent-insensitive). Returns partner name, company CNPJ and legal name, role and entry date. The highest-value query for due diligence, with data straight from the official Receita Federal CNPJ registry (personal tax IDs come pre-masked from the source). Free sample, no payment: https://api.brazilayer.com/v1/cnpj/amostra

ERC-20 token metadata: name, symbol, decimals and total supply for any token contract on Base, Polygon, Arbitrum, Optimism or Ethereum.