Explore APIs

Search authoritative company registries by company name to resolve candidate legal entities and registration identifiers. Currently supports the United Kingdom (GB) and Norway (NO), with expanding jurisdiction coverage. Results are public-register evidence, not a KYC or KYB compliance determination.

Settlement canary: returns a timestamped pong JSON after USDC micropayment. Use to verify x402 client + wallet + facilitator end-to-end.

Wikidata entity lookup (CC0, keyless). Q-id and/or search → trimmed labels/descriptions/aliases + small claim set.

Spotify — GET /v2/album/detailsAndTracks (v2/Album details & tracks)

Search US federal product recalls (CPSC consumer products, FDA food/drug/device enforcement, NHTSA vehicle campaigns, and USDA FSIS meat/poultry recalls through 2026-10-22) by free-text query, firm name, date range, and source.

Current Base mainnet block height and base fee per gas in wei, read from the chain at request time

Get real-time spot price and market data for a cryptocurrency

Nooscape pre-flight check on an AI agent in an on-chain registry (ERC-8004, Solana), a wallet that registers agents, or an endpoint host: dated flags for first seen, ownership changes, revoked ratings and fleet, with sources. No score, no verdict.

Educational briefing on the latest cars in 2026 (powertrains, range, pricing, and what's new).

SCV Approvals: active token approvals of a wallet (unlimited/unknown spender detection) for $0.01 USDC via x402

Prediction Market Arbitrage Report for matched Polymarket and Kalshi events.

Returns historical OHLCV bars for one currency pair between two UTC dates, inclusive, at 1, 5 or 15 minute, 1 or 4 hour, or daily size, paged with limit and offset. Priced by the page size requested, in three tiers: up to 100 bars, up to 500 (the default) and up to 1,000. One request covers at most 31 days of 1-minute bars, 90 of 5-minute, 180 of 15-minute, 365 of hourly, 730 of 4-hour and 5,000 o

Sentiment classification: Verb-path alias of POST /v1/cheap-errand ($0.01 USDC). Same handler + payment terms; path defaults task=sentiment when body.task omitted. Cheap agent glue for buyer-supplied text. Base via x402. No API key.

Returns a short list of transit provider matches (name, ID, transportation modes) for a location and transport type. Use to identify rail, metro, bus, or ferry options before booking.

List all chains with TVL

Transpose a note by a (possibly negative) number of semitones. Result is spelled chromatically with sharps, or flats when `preferFlats` is true.

Find a person's verified work email from first name, last name and company domain. Live SMTP check against the company's mail server, catch-all detection. Charged only when a mailbox is verified; misses return 4xx and are not charged.

Report the properties of a MAC address encoded in its first octet: unicast vs multicast (I/G bit), universal vs locally-administered (U/L bit), the broadcast address, and — for EUI-48 — the OUI and NIC portions.

Decode a VIN's structure: NHTSA vPIC WMI snapshot, vintage 2026_08: 10659 rows cut in ascending WMI order from 12971 candidates, plus the closed-form rules of 49 CFR 565.15 and 565.25. STRUCTURAL decode only: check-digit verdict, manufacturer, make, vehicle type, country, and model year as a CANDIDATE SET narrowed only for passenger cars. No engine, body, trim, plant or weight class; no claim a ve

Keyless multi-chain JSON-RPC reads, Base + Ethereum, from $0.001 (?chain=ethereum)

Distribution of latest included product/store observations, with regular and promotional prices separate. Example: category en:pastas, country DE. Cheapest means cheapest included observations, not the whole market.

Wholesale overview by product group and unit basis with source periods and comparable changes. Example: sort name. Piece and kg quotes are separate rows. German-origin percentages describe included observations, not market share.

Format a card number into the conventional display groups for its network (4-6-5 for Amex, 4-6-4 for 14-digit Diners, otherwise groups of four).

Gives you official United States inflation numbers from the government's BLS Consumer Price Index. Ask for the newest reading, a specific month in the past, or a whole range of months, and get back clear percentages for overall inflation and 'core' inflation (which ignores food and energy prices), plus a plain-English summary sentence.

Validate a 9-digit US ABA bank routing number by its weighted (3,7,1) mod-10 checksum. Spaces and hyphens are ignored.

Cheap connectivity-check endpoint. Verifies the full x402 settlement path (signature -> CDP facilitator -> on-chain transferWithAuthorization) for $0.01 so AI agents can validate wallet + network + facilitator wiring before committing to higher-value AML calls.

Text completion using the model selected in the request body.

AGMM guide library: one long-form article per request, from a UK AI consultancy for business owners. Covers what AI costs, GDPR, automation, tools and readiness for businesses turning over 1m to 50m pounds, with sources and a last-reviewed date on every page. One GET returns the full page as HTML, or as Markdown with index.md. Costs one US cent in USDC on Base. People, search engines and AI answer

AiScale News Summary: Summarizes recent news for a topic. Returns structured summaries with source, date, relevance score, and key takeaways.

Look up an ERC-8004 AI agent identity on Base mainnet. Returns name, description, services, x402 support, and owner.