Historical US-dollar price of up to 10 crypto assets on a given date (or Unix time), by ticker or chain:address.

[Token risk check: safety verdict] Token safety verdict: score 0-100 and safe/caution/danger with reasons + source URLs (GoPlus token security + DexScreener liquidity, fixed published rules). Chains: base, ethereum, bsc, arbitrum, solana. Automated screen, not a guarantee. 10-min cache. $0.01 USDC.

Checks which US states a remote seller must register in to collect sales tax (economic nexus). Send sales and order counts per state for the last 12 months or a calendar year, and whether they include marketplace sales (Amazon, Etsy). Returns states over the threshold (must register), close to it (80 percent or more) and under it, with each state's threshold, measurement period, what counts and the revenue department source. Information, not tax advice.

Official European Central Bank euro reference exchange rates (about 30 currencies) and currency conversion between any two of them, with reference date.

[Spend policy: agent payment risk check] Before an AI agent pays an invoice or merchant: POST {payment, policy} -> allow / deny / needs_approval plus the rules that fired (per-tx limit, rolling cap, merchant categories, allow/deny lists, hours + timezone, assets/chains, approval threshold) and an Ed25519-signed receipt bound to your request hash. Deterministic, stateless, no custody, moves no money. Bad bodies rejected before payment. $0.02 USDC.

Does 0x1111111111111111111111111111111111111111 belong to allbirds.com? Evidence, not a guarantee. $0.002.

[Market data: crypto] Once-per-day (Mountain Time) crypto brief: Stage 1 market regime, WaveTrend band-dot counts, top 10 coins by WaveTrend dot strength, BTC/ETH/SOL Kraken large-print flows. Free partial teaser at GET /api/brief/teaser. Use for a daily agent digest. $0.02 USDC. Signal only.

Large stablecoin and major-token transfers in the last few minutes on Ethereum, Base, Arbitrum, Optimism or Polygon: hash, block time, sender, receiver, amount and USD value at the Coinbase spot price, sorted by value. Labels only for a few known addresses; others are null. One token contract is read over public RPC, so the window is short. Information only, not financial advice.

For eleven AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended and others): allowed or blocked for the page's path under robots.txt, plus the noai and noimageai opt-outs in meta and X-Robots-Tag, and whether llms.txt exists. Reads the page as static HTML; no JavaScript runs.

Read-only contract call (eth_call): decodes the return value of a function you name, e.g. balanceOf(address) returns (uint256). Nothing is signed or sent. A function whose name reads like a write (transfer, approve, mint, set...) is refused unless it is declared view or pure.

Total value locked by chain from DefiLlama, largest first, with each chain's token, chain id and stablecoin market cap. With chain, that chain's own row and its TVL change over 1, 7 and 30 days from DefiLlama's daily history. Data: DefiLlama. Information only, not financial advice.

Large donations to German parties as published by the Bundestag (above 35,000 euros, until March 2024 above 50,000 euros, itemised since 2009): donor, amount, dates, printed paper, totals per party. Use when asked who donates large sums to a German party, how much a party received in large donations, or about a specific donation (Großspende). Source-attributed. Refused (503, not charged) if data is older than 50 hours.

Spanish general election 29 Nov 2026: seats per list (median and range), poll average, majority chances. Blackout 24 to 29 Nov (art. 69.7 LOREG). After polls close: official count (seats, vote share, counted percent), forecast for comparison. Use when asked who wins the 2026 Spanish general election, how many seats PP, PSOE or Vox get, or whether PP and Vox reach a majority, or the official result. Source-attributed. Refused (503, not charged) if data is older than 26 hours.

Whether a contract's source is verified on Sourcify (exact or partial match), with its name, compiler version, license, and the functions and events from its ABI. A contract without verified source is answered with verified false, not an error. Chains: base (default), ethereum, arbitrum, optimism, polygon. Read-only.

French presidential election 2027, first round: poll average, 95 percent band and runoff chance per candidate, most likely runoff pairs, recent campaign events. Unavailable during the legal blackout (Saturday 00:00 until 20:00 on election day, Paris time: 17 to 18 Apr and 1 to 2 May 2027). Use when asked who leads the 2027 French presidential election or who reaches the runoff. Source-attributed. Refused (503, not charged) if data is older than 30 hours.

French presidential election 2027, runoff: head-to-head poll average and win probability per tested pair. Unavailable during the legal blackout (17 to 18 Apr and 1 to 2 May 2027). Use when asked how a French presidential runoff between two candidates would end. Source-attributed. Refused (503, not charged) if data is older than 30 hours.

Spanish general election 2026, all 52 constituencies: median seats per list, vote share, seat order, last seat. Blackout 24 to 29 Nov 2026. After polls close: official count per constituency, forecast for comparison. Use when asked about seats or the result in a Spanish province (Madrid, Barcelona, ...) in 2026, or which party is fighting for the last seat there. Source-attributed. Refused (503, not charged) if data is older than 26 hours.

One German state (Land): parliament seats by group with majority and governing groups, cabinet with portfolios, 13 official statistics with German value and rank, next state election with our forecast. Use when asked who governs a German state, how its parliament is composed, who is in its cabinet, how it compares statistically, or who leads before its next election. Source-attributed. Refused (503, not charged) if a dataset is older than its limit (13 hours to 365 days).

Book lookup by ISBN (checked before the call) or by title and/or author: title, subtitle, authors, publishers, first publish year, median page count, ISBN-10 and ISBN-13 of the matching edition, languages, subjects, cover image URL, and the Open Library work and Wikidata ids. Data from Open Library (CC0). A title with no match is a 404, not charged. Up to 20 results.

French presidential election 2027: all first-round polls with every scenario, runoff polls, sample, fieldwork and link to the official Commission des sondages notice. Unavailable during the legal blackout (17 to 18 Apr and 1 to 2 May 2027). Use when you need individual French presidential polls with scenarios and official notices. Source-attributed. Refused (503, not charged) if data is older than 30 hours.