Generate a QR code as PNG or SVG from any text or URL. Pick the size, error-correction level (L/M/Q/H) and foreground/background colours; a 4-module quiet zone is always included so it scans reliably. Returns the raw image bytes. No logo overlay (compositing is out of scope).

Resolve a Basename or ENS name to an address, or an address to its primary name. Pass ?name=402utils.base.eth (name→address) or ?address=0x… (address→primary name). Basenames resolve on Base L2, other .eth names on Ethereum mainnet. Reverse results are forward-verified. ASCII names only; offchain (CCIP-read) resolvers like cb.id are not supported.

Verify on-chain that a transaction is the USDC payment you expected. Pass ?tx=0x… plus optional ?expectedPayTo=0x… and ?expectedAmount=0.01 (USD); ?network defaults to the deployment chain (base or base-sepolia). Decodes the tx's USDC Transfer logs and returns {verified, actualPayTo, actualAmount, asset, blockTime, confirmations, mismatch}. Unknown/unmined tx → 503 (unbilled). Add ?attest=1 for a signed receipt.

Vet a supplier in one paid call: give any of a VAT number, IBAN, domain and LEI and get VAT validity (VIES) + company name, IBAN structure (mod-97 + BBAN), domain status (RDAP), the GLEIF LEI record (legal name, status, parent) and the country — run in parallel, each with a per-field status. summary.allProvidedValid is true only if every provided check confirmed. All checks failing technically → 503, no charge. ?attest=1 → Ed25519-signed.

Inspect a ZIP archive safely: send the bytes directly or a JSON body with a public {url}. Returns the entry list (path, size, compressedSize, isDir); entries with path traversal (../), absolute or malformed paths are flagged suspicious:true and never interpreted. Add ?extract=exact/entry/path to get that one file back (max 5 MB decompressed). Zip bombs are refused. Max 20 MB.

Fetch and parse a site's llms.txt (llmstxt.org) — the LLM-era robots.txt. Give any page URL; it resolves the origin's /llms.txt, and returns the H1 title, the blockquote summary, and every section's links ([title](url): notes). Also probes /llms-full.txt and reports its size. A site without one returns {found:false} (a 200, still useful). The fetch is SSRF-checked. Bonus signal in /v1/site-profile.

Turn any sitemap.xml into clean JSON: URL entries with loc, lastmod and priority, plus sitemap-index detection with the child sitemap list. Handles gzipped .gz sitemaps (magic-byte detection, zip-bomb guarded) and namespaced XML; pass follow=1 to also expand up to 3 child sitemaps of an index in one call. SSRF-checked fetches, 10 MB per document, up to 50,000 URLs with a truncated flag.

Get direct destinations from an airport

Get destinations served by an airline

Decode and validate a product barcode (GTIN / UPC-A / EAN-13 / EAN-8 / GTIN-14 / ISBN-13 / ISSN). Returns the GS1 mod-10 check-digit validation (valid flag + expected digit — an LLM can't reliably compute this), the symbology, the zero-padded GTIN-14 canonical form, and the GS1 prefix decoded to the issuing GS1 member organisation and its country (NOTE: that's the country of the org that issued the prefix, not necessarily where the item was made). Flags restricted-distribution (in-store/variable-measure) prefixes and Bookland (ISBN) / serial (ISSN) ranges. Also attempts a FRESH best-effort product-identity lookup (name, brand, category, image) across the open Open Food/Beauty/Products/Pet Food Facts federation (ODbL) — reliable for food, beverage, and beauty items, sparse for general retail (electronics/apparel), and may be null. Always live (no caching). Set identity=false to skip the lookup and decode only.

Get the FavQs quote of the day. Returns quote body, author, topic tags and a URL. Keyless, no parameters. Useful for daily-quote feeds with categorization tags.

Get current delay information for a specific airport

Search breweries by free-text query (matches name) and get back type, address, contact, and lat/long for each hit. Source: Open Brewery DB. Pass a query string in the q param.

Terrain elevation for any coordinate from Open-Meteo's Copernicus DEM based elevation API. Returns elevation in meters. Keyless, global, fast. Useful for mapping, hydrology, routing and geospatial enrichment.

List exhibitions at the Art Institute of Chicago with pagination. Returns exhibition titles and IDs. Keyless open-access museum API. Useful for cultural calendars and museum-content datasets.

Country profile from World Bank Open Data by ISO code, no key. Returns region, income level, capital city, longitude, and latitude. For AI agents enriching country context for macro and geo analysis.

Geocode a full US street address to latitude/longitude with the official matched address and TIGER line metadata. Authoritative US Census Bureau geocoder, no key required. Pass a one-line address string.

List US courts by jurisdiction (F=federal, S=state) from CourtListener. Returns court id, full name, short name, citation string and in-use status. Official CourtListener REST API, keyless read access. Useful for legal-data integrations and court reference lookups.

The official US Treasury Reporting Rates of Exchange used by federal agencies to convert foreign currency balances to USD, by country and currency. Source: US Treasury FiscalData. Sorted newest first; trim page size as needed.

Resolve a UK postcode to its full record: country, region, admin district, ward, parliamentary constituency, eastings/northings, and lat/long. Free postcodes.io data covering all of Great Britain.