x402 service explorer

Curated shelf: Archaeology & Anthropology — 1485 public-domain books including Cornish Characters and Strange Events, The Natural History of Pliny, Volume 2 (of 6), A his

Curated shelf: American Literature — 7572 public-domain books including Moby Dick; Or, The Whale, Little Women; Or, Meg, Jo, Beth, and Amy, Bidwell's Travels, from Wall S

Curated shelf: African American Writers — 9 public-domain books including Narrative of the Life of Frederick Douglass, an American Slave, The Souls of Black Folk, Inciden

Curated shelf: Adventure stories — 1382 public-domain books including Moby Dick; Or, The Whale, The Count of Monte Cristo, The Yeoman Adventurer. Returns a ranked list wi

Curated shelf: Adultery -- Fiction — 8 public-domain books including The Scarlet Letter, The Awakening, and Selected Short Stories, Anna Karenina. Returns a ranked list w

Sanctions screening for NAMES, not wallets. Pass a person or company; get GO / HOLD / STOP against the official U.S. Treasury OFAC SDN export, including a.k.a. aliases. C

🆕 A smart account's gas can be paid by a PAYMASTER instead of the account itself — invisible to every 'does this wallet spend ETH' heuristic. Reads a wallet's UserOperat

🆕 Built for liquidator / MEV searchers. Reconstructs the active borrower set on a Morpho Blue market from Borrow events, prices every position onchain in one multicall,

🆕 A MetaMorpho vault spreads your deposit across Morpho Blue markets — your real risk is WHERE the curator put it and WHO can move it. Reads the vault's live allocation

The NPPES record for a healthcare provider or organization: name, credential, taxonomy specialties with state licence numbers, practice and mailing addresses, enumeration

FDA therapeutic equivalence codes for a drug: the TE rating and what it means, whether each product is the reference listed drug or reference standard, plus application t

FDA medical device recall and enforcement reports filtered by product, firm, recall class, state, status or report date, with the hazard reason and what each class means.

A summary of FDA Adverse Event Reporting System reports naming a drug: total reports, the most frequently reported reactions, and the reaction outcome and seriousness dis

The FDA NDC Directory record for a package or product National Drug Code: brand and generic name, labeler, dosage form, route, active ingredients, marketing category and

The therapeutic, pharmacologic, mechanism-of-action, ATC and VA classes a drug or ingredient belongs to, from NLM RxClass, deduplicated and labeled.

Search the official CPSC recall record by product name and/or recall title, with an optional recall-date window, returning matching recalls with hazard, remedy, units, UP

Normalize a free-text US street address into its USPS-style standardized one-line form plus parsed components: house number range, directionals, street name, suffix, city

Look up the RxTerms prescribing form of a drug by RxCUI or name: display name, brand name, strength, dose form and route, as used in e-prescribing pick lists.

Map an RxNorm concept or drug name to every associated NDC package code in 5-4-2 form, or reverse-map an NDC to its RxCUI with active status and history.

Resolve a free-text, brand or generic drug name to its canonical RxNorm concept: RxCUI, normalized name, term type, synonyms, dose forms, and ranked approximate candidate

Candidate HTS classifications for a plain-language product description, each with its code, description, units of quantity and duty rates where the line carries them. A s

The HTS line for a US tariff code with its description, units of quantity and general, special and column 2 duty rates, resolved to the parent line that carries the rates

Chemical releases reported by one TRI facility for one reporting year, in pounds, totalled per chemical and split into air, water, land and underground injection.

Industrial facilities reporting to the EPA Toxics Release Inventory in a ZIP code or a city, with the TRI facility id needed to pull their release quantities.

Percent of a US state, county or the nation in each US Drought Monitor category D0 to D4, by area or by population, for a recent run of weekly maps.

Every active National Weather Service watch, warning and advisory for a whole US state, territory, marine area or forecast zone, with a count per event type.

The current text of a US Code section by title and section number: the statutory text, its source credit, the chapter it sits in, the edition it comes from and the date i

An enacted US public or private law by Congress and law number: official title, short titles, date signed, the US Code sections and Statutes at Large pages it touched, an

Parses a BCP 47 language tag into language, extlang, script, region, variant, extension and private-use subtags, validates each against the IANA registry, and returns the

The FIRST.org EPSS probability and percentile for one or more CVEs: the modelled chance each is exploited in the next 30 days.

Vulnerabilities added to CISA’s Known Exploited Vulnerabilities catalog within a recent lookback window, newest first.

Whether a CVE is in CISA’s Known Exploited Vulnerabilities catalog, with the date added, the federal remediation due date and the required action.

Search the National Vulnerability Database by keyword, CPE, publication window or CVSS severity, returning a paginated list with scores and CWE classifications.

The state-level sales or use tax rate for a US state, with optional tax and total for a subtotal. Excludes county, city and district rates.

Validate a US ABA routing number by its 3-7-1 check digit and decode its Federal Reserve district and institution class.

Daily ECB reference rates between two currencies over a date range, one point per working day.

The European Central Bank's daily reference rate between two currencies, for the latest working day or a historical date.

GLEIF 'who owns whom' for an LEI: direct and ultimate accounting parent, any reporting exception, and known direct subsidiaries.

Find LEI records matching a company name, with jurisdiction, country and registration status.

Resolve an LEI code to its GLEIF record: registered legal name, addresses, jurisdiction, legal form and registration status.

Screen a person name against Wikidata position-held claims, returning every government or state office the matching people have held, with start and end dates.

Screen a name against the US Consolidated Screening List, which merges the OFAC SDN and non-SDN lists with the BIS Denied Persons, Entity and Unverified lists and the Sta

Convert an XML document to an ordered JSON tree with resolved namespaces, attributes, CDATA and mixed content preserved.

Per-column profile of a CSV or NDJSON payload: null rate, cardinality, inferred type, numeric range, mean, standard deviation and most frequent values.

Similarity of two records from 0 to 1: Jaro-Winkler, token-sorted and Levenshtein ratios, and the strongest of the three as the headline score.

Infers a JSON Schema 2020-12 document from sample records: unified types, required keys, array item types and string formats.

RFC 5322 syntax check, live MX resolution and a disposable-provider check for one email address, in a single call.

The UTC offset, abbreviation and DST state a zone was on at any moment from 1970, with the surrounding transitions, and resolution of ambiguous or nonexistent local times

The closest US street segments to a point, with name, road class, route type and distance in meters, from Census TIGER.

Earthquakes from the USGS catalog within a radius and time window of a point, with magnitude, depth, distance and time.