fittings.sh publishes 78 machine-payable endpoints over the x402 protocol, priced from $0.003 to $0.022 per call. Each was probed directly; the response code below is what it returned.
Validate a US ABA routing number by its 3-7-1 check digit and decode its Federal Reserve district and institution class.
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, state and 5-digit ZIP.
Evaluates an arithmetic expression in exact rational arithmetic and returns the fraction plus a decimal to the requested precision.
Geocode a US street address and return the matched address, coordinates, and its Census tract, county and state codes in one call.
Resolve up to 10 US street addresses at once to latitude/longitude plus state, county, tract, block, CBSA and CSA codes.
Every Census geography layer containing a US coordinate in one call: state, county, tract, block, place, urban area, congressional and state legislative districts.
Structure and computed properties for a compound by name, CAS number, PubChem CID or SMILES: formula, weight, InChI, logP, TPSA and H-bond counts.
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, UPCs and the recall notice URL.
Resolve a DOI to bibliographic metadata: title, authors, journal, dates, abstract, licence, funders and citation counts.
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 State Department debarred lists.
Screens open ClinicalTrials.gov studies for a condition against a patient age, sex and healthy-volunteer status, returning the trials the structured criteria do not exclude with their inclusion and ex…
Search registered clinical trials by condition, intervention, sponsor or free text, filtered by recruitment status and phase.
Search the National Vulnerability Database by keyword, CPE, publication window or CVSS severity, returning a paginated list with scores and CWE classifications.
For one DailyMed SET ID: the current label version and date, its products with active ingredients and package descriptions, its marketed NDC codes, and the full revision history.
Finds current FDA Structured Product Labels by drug name, NDC or labeler, returning each label SET ID, title, version and publication date.
Per-column profile of a CSV or NDJSON payload: null rate, cardinality, inferred type, numeric range, mean, standard deviation and most frequent values.
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.
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.
Estimate CO2e for fuel burned, electricity used, freight moved or a trip taken, using published US EPA emission factors.
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.
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.
The FIRST.org EPSS probability and percentile for one or more CVEs: the modelled chance each is exploited in the next 30 days.
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 distributions.
The 15-digit census block FIPS code containing a US coordinate, with its county and state codes and the block bounding box.
Look up an FDIC-insured US bank by certificate number or name: insurance status, charter class, location, offices, assets and deposits.