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.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://fittings.sh/v1/addr/standardize' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://fittings.sh/v1/addr/standardize'
Endpoint: https://fittings.sh/v1/addr/standardize. Operated by fittings.sh, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
Validate a US ABA routing number by its 3-7-1 check digit and decode its Federal Reserve district and institution class.
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 distric…
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,…
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 a…
Screens open ClinicalTrials.gov studies for a condition against a patient age, sex and healthy-volunteer status, returning the trials the structured criteria do…
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.