Deterministic HS-code triage: ranked candidate headings with official heading text, GRI note and broker disclaimer. Not a customs ruling.

Timelock encryption (tlock / encrypt-to-the-future): seal a payload toward a future drand round — undecryptable by anyone, including us, until that round lands; or open a landed seal. For sealed-bid auctions, commit-reveal, scheduled secrets, dead-man switches. age-armored, interoperable. Free zero-knowledge inspect at /sealed/inspect.

OpenAI-compatible chat completions backed by DeepSeek (GET probe variant). Answers open-ended questions and returns reasoned analysis.

LastLook Data — current price, 24h change, market cap, and volume for any supported cryptocurrency. Use ?coin=BTC|ETH|SOL|BNB|XRP|ADA|AVAX|DOGE|LINK|DOT|etc. Source: CoinGecko.

Deterministic WMM2025 magnetic field (one location/date). Free sample, no payment required: GET /play/field

Get the current transaction nonce for an EVM wallet on Base (or Ethereum) via eth_getTransactionCount. Use before broadcasting a transaction.

Extracts OG tags, canonical URL, title, and meta description from any web page. Useful for link previews, SEO audits, and content enrichment.

Use when an agent needs to know which China A-share sectors are gaining or losing strength right now. Sector rotation forecast for the Chinese stock market: per-board strength, momentum and catalyst score, ranked. Query: ?limit=1-100 (default 20). Errors are not charged: 400 bad params, 502 upstream unavailable.

Search the James B. Pollack music catalog by mood, BPM, key, year, or similarity

SSRF-safe public GET with status, headers, and size-capped JSON/text body for agent tool use

CVE and exploitation-in-the-wild signals from Telegram CTI channels. Filters: severity, min_confidence, since, tag(cve|exploit|poc|patch), ttp, type(cve), limit, offset. Returns CVE IDs, affected products, exploit status.

Non-custodial swap calldata for Base: give tokenIn, tokenOut, raw amountIn, slippage and recipient; we read Aerodrome and Uniswap V3 on-chain state, pick the max-output route, and return ready-to-sign transaction calldata plus the ERC-20 approval, amountOutMin, price impact and the venues compared. You sign with your own wallet — we never hold or move funds.

$0.005/image. Flag unsafe or inappropriate image content (Rekognition moderation) — categories with confidence. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Validates one IBAN offline: country, expected length, ISO 7064 mod-97 check digits, whether it is inside SEPA, and the account number split out. Deterministic, no network call and no third party that can go down. Built for cleaning a list of accounts one at a time.

Checks one URL without downloading the page: HTTP status, the full redirect chain hop by hop with the code of each, the final URL, whether it ends on HTTPS, content type and size, and the security headers the server sends. Built for going through a list of links one at a time. No API key, no account.

Runs any read-only contract call (eth_call) with your own calldata and returns the raw result, on five chains, with no API key and no rate limit. The escape hatch for anything the typed endpoints do not cover.

How much of a token a spender is still allowed to move on an owner's behalf, and whether that approval is unlimited. The check to run before an approve, and the one that finds forgotten infinite approvals. Via eth_call (allowance).

Validates one EU VAT number offline: country prefix, the format that country uses, and the published check-digit algorithm where one exists. Says explicitly whether the check digits were verified or only the format. Deterministic, no network call. Built for cleaning a list of companies one at a time.

Historical price data with configurable timeframes (1H/6H/1D/1W/1M/ALL)

AI responses API - OpenAI-compatible multi-turn agent responses, pay per token with USDC