# Services from fittings.sh on Zero

> fittings.sh serves 145 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/fittings.sh
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/fittings.sh/health.json

## Services

- [fittings US Consolidated Screening List (CSL) Name Screener](https://www.zero.xyz/c/fittings-us-consolidated-screening-list-csl-name-screener-4bd81385/llms.txt): $0.0149/call via x402. Screens a person or entity name against the US Consolidated Screening List, which merges OFAC SDN/non-SDN, BIS Denied Persons/Entity/Unverified, and State Department debarred lists.
- [fittings ABA Routing Number Validator](https://www.zero.xyz/c/fittings-aba-routing-number-validator-350d4391/llms.txt): $0.004/call via x402. Validates a US ABA routing number via its 3-7-1 check digit algorithm and decodes its Federal Reserve district and institution class.
- [NASA POWER Solar Irradiance & Meteorology Point Query](https://www.zero.xyz/c/nasa-power-solar-irradiance-meteorology-point-query-ec4b3eaa/llms.txt): $0.0133/call via x402. Returns daily solar irradiance and meteorological data for a geographic coordinate from NASA POWER, covering a date range of up to 366 days.
- [fittings CISA KEV Status](https://www.zero.xyz/c/fittings-cisa-kev-status-c8665af0/llms.txt): $0.003/call via x402. Checks whether a given CVE is listed in CISA's Known Exploited Vulnerabilities catalog and returns the date added, federal remediation due date, and required action.
- [fittings EPSS Score Lookup](https://www.zero.xyz/c/fittings-epss-score-lookup-c3632f06/llms.txt): $0.00398/call via x402. Returns the FIRST.org EPSS probability and percentile for one or more CVEs, indicating the modeled likelihood of exploitation within the next 30 days.
- [Fittings FEMA Flood Zone Lookup](https://www.zero.xyz/c/fittings-fema-flood-zone-lookup-889aa1f8/llms.txt): $0.008/call via x402. Returns FEMA flood hazard zone classification, Special Flood Hazard Area (SFHA) status, and base flood elevation for a given US latitude/longitude coordinate.
- [fittings Clinical Trial Eligibility Screener](https://www.zero.xyz/c/fittings-clinical-trial-eligibility-screener-280a66c2/llms.txt): $0.0149/call via x402. Screens open ClinicalTrials.gov studies for a condition against patient demographics, returning eligible trials with split inclusion/exclusion criteria.
- [fittings Clinical Trials Search](https://www.zero.xyz/c/fittings-clinical-trials-search-c183dfd2/llms.txt): $0.00498/call via x402. Search ClinicalTrials.gov for registered trials by condition, intervention, sponsor, or free text, filtered by recruitment status and phase.
- [fittings FX Currency Converter (ECB Rates)](https://www.zero.xyz/c/fittings-fx-currency-converter-ecb-rates-a2f1d014/llms.txt): $0.003/call via x402. Converts a monetary amount between two currencies using the European Central Bank daily reference rate, supporting any date back to 1999-01-04.
- [fittings GitHub Advisory Database Lookup](https://www.zero.xyz/c/fittings-github-advisory-database-lookup-db35bb88/llms.txt): $0.00399/call via x402. Retrieves the full GitHub Advisory Database record for a given GHSA or CVE identifier, including severity, CVSS, EPSS, CWEs, and affected package version ranges per ecosystem.
- [fittings DNS Lookup (DoH)](https://www.zero.xyz/c/fittings-dns-lookup-doh-5eb00d12/llms.txt): $0.003/call via x402. Resolve DNS records of any common type (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, SRV, PTR) over DNS-over-HTTPS, returning answers with TTLs and DNSSEC authentication status.
- [NWS Active Weather Alerts by Coordinate](https://www.zero.xyz/c/nws-active-weather-alerts-by-coordinate-ea397d6f/llms.txt): $0.00376/call via x402. Returns active National Weather Service watches, warnings, and advisories for a given US latitude and longitude.
- [Package Name Validator & Normalizer](https://www.zero.xyz/c/package-name-validator-normalizer-32199db4/llms.txt): $0.004/call via x402. Checks a proposed package name against npm, PyPI, or crates.io naming rules and returns the canonical normalized form used by that registry.
- [fittings Email Deliverability Validator](https://www.zero.xyz/c/fittings-email-deliverability-validator-a8ae47d5/llms.txt): $0.003/call via x402. Validates a single email address by checking RFC 5322 syntax, resolving live MX records, and flagging disposable/temporary email providers in one call.
- [fittings Census Geography Bundle](https://www.zero.xyz/c/fittings-census-geography-bundle-52846233/llms.txt): $0.008/call via x402. Returns all US Census geographic layers (state, county, tract, block, place, urban area, congressional and state legislative districts) for a given latitude/longitude coordinate in a single API call.
- [fittings Citation Extractor](https://www.zero.xyz/c/fittings-citation-extractor-4f463862/llms.txt): $0.007/call via x402. Extracts and normalizes DOIs, arXiv IDs, PMIDs, PMCIDs, and ISBNs from free text, returning deduplicated identifiers with their character offsets.
- [fittings Text Similarity](https://www.zero.xyz/c/fittings-text-similarity-f2e4ee7d/llms.txt): $0.004052/call via x402. Computes Jaro-Winkler, token-sorted, and Levenshtein similarity ratios between two text strings, returning all three scores plus the strongest as the headline match score.
- [fittings Solar Sun Position](https://www.zero.xyz/c/fittings-solar-sun-position-870dcc98/llms.txt): $0.004/call via x402. Returns the sun's azimuth, elevation, shadow ratio, and normal-facing panel angles for a geographic coordinate at a specific instant.
- [fittings Crossref Work Search](https://www.zero.xyz/c/fittings-crossref-work-search-722a43d7/llms.txt): $0.0078/call via x402. Search for academic works by title, author, or keyword to retrieve DOI and bibliographic metadata when the DOI is unknown.
- [fittings NWS Point Forecast + Active Alerts](https://www.zero.xyz/c/fittings-nws-point-forecast-active-alerts-2c6ab6a2/llms.txt): $0.00365/call via x402. Returns National Weather Service forecast periods and active watches/warnings/advisories together for a US latitude/longitude in a single call.
- [fittings DOI Metadata Resolver](https://www.zero.xyz/c/fittings-doi-metadata-resolver-7eb7be72/llms.txt): $0.003/call via x402. Resolve a DOI to full bibliographic metadata including title, authors, journal, abstract, licence, funders, and citation counts via Crossref.
- [SAM Exclusions Check](https://www.zero.xyz/c/sam-exclusions-check-682d8213/llms.txt): $0.0068/call via x402. Checks an individual or entity name against the US System for Award Management (SAM) exclusions list to identify debarred, suspended, or ineligible parties for federal contracts and assistance.
- [fittings JSON Schema Inference](https://www.zero.xyz/c/fittings-json-schema-inference-12eaa704/llms.txt): $0.004999/call via x402. Infers a JSON Schema 2020-12 document from a set of sample JSON records, detecting unified types, required keys, array item types, and string formats.
- [NOAA CO-OPS Station Data](https://www.zero.xyz/c/noaa-co-ops-station-data-9879b46f/llms.txt): $0.008/call via x402. Returns observed water levels, tide predictions, or current speed/direction for a NOAA CO-OPS station over a date window of up to 7 days.
- [fittings CVE Search](https://www.zero.xyz/c/fittings-cve-search-26485f36/llms.txt): $0.00596/call via x402. Search the National Vulnerability Database (NVD) by keyword, CPE, date range, or CVSS severity, returning paginated CVE records with scores and CWE classifications.
- [fittings CPI-U Inflation Adjuster](https://www.zero.xyz/c/fittings-cpi-u-inflation-adjuster-aeb8b8ea/llms.txt): $0.003/call via x402. Adjusts a US dollar amount between two time periods using the official BLS CPI-U index, returning inflation-adjusted value and both index values.
- [EU VAT Number Validator (VIES)](https://www.zero.xyz/c/eu-vat-number-validator-vies-6ba77c54/llms.txt): $0.003/call via x402. Validates a European VAT number against the EU Commission VIES registry and returns the number's validity plus registered trader details where disclosed by the member state.
- [fittings VIN Decoder (NHTSA vPIC)](https://www.zero.xyz/c/fittings-vin-decoder-nhtsa-vpic-4d150b14/llms.txt): $0.003/call via x402. Decodes a Vehicle Identification Number (VIN) into make, model, year, trim, body class, engine, drivetrain, and assembly plant using the NHTSA vPIC database.
- [fittings Solar Twilight Windows](https://www.zero.xyz/c/fittings-solar-twilight-windows-c137bfa0/llms.txt): $0.004/call via x402. Returns civil, nautical, and astronomical twilight boundaries plus golden and blue hour windows for a given date and coordinate, in UTC.
- [fittings Nearby Airports](https://www.zero.xyz/c/fittings-nearby-airports-8cb4abf7/llms.txt): $0.00398/call via x402. Returns commercial airports within a configurable radius of a geographic coordinate, sorted by distance, with IATA/ICAO codes, city name, and bearing.
- [fittings Census Address Geographies](https://www.zero.xyz/c/fittings-census-address-geographies-0d505807/llms.txt): $0.003/call via x402. Geocode a free-form US street address and return the matched address, lat/lng coordinates, and its Census tract, county, and state codes in a single call.
- [fittings Text Character Edit](https://www.zero.xyz/c/fittings-text-character-edit-fd467a0d/llms.txt): $0.0036/call via x402. Performs precise character-level operations (insert, delete, replace, extract, find, measure) on text strings using grapheme, code point, or UTF-16 unit counting, returning affected ranges in both chosen unit and UTF-16.
- [fittings Semver Range Resolve](https://www.zero.xyz/c/fittings-semver-range-resolve-8c858036/llms.txt): $0.004398/call via x402. Tests one or more version strings against an npm-style semver range and returns which versions satisfy it, the highest and lowest matches, and the expanded comparators.
- [fittings Arithmetic Expression Evaluator](https://www.zero.xyz/c/fittings-arithmetic-expression-evaluator-29b20dbd/llms.txt): $0.004199/call via x402. Evaluates an arithmetic expression in exact rational arithmetic and returns the result as a fraction and a decimal to the requested precision.
- [ECB Daily FX Reference Rate](https://www.zero.xyz/c/ecb-daily-fx-reference-rate-4871da45/llms.txt): $0.003/call via x402. Returns the European Central Bank's official daily reference exchange rate between two currencies, optionally for a historical date and with an optional amount to convert.
- [fittings SEC Filing Full-Text Search](https://www.zero.xyz/c/fittings-sec-filing-full-text-search-1467bc16/llms.txt): $0.00698/call via x402. Full-text search across SEC filings from 2001 onward, returning filing type, date, company name, and accession number.
- [CPSC Recall Search](https://www.zero.xyz/c/cpsc-recall-search-c63178ec/llms.txt): $0.0078/call via x402. Search the official CPSC recall database by product name and/or recall title with optional date filtering, returning hazard details, remedies, units affected, UPCs, and recall notice URLs.
- [fittings Business Days Calculator](https://www.zero.xyz/c/fittings-business-days-calculator-7ddd6e34/llms.txt): $0.006649/call via x402. Add or subtract N business days from a date, skipping weekends and optional holiday dates, returning the resulting business date.
- [fittings Ground Elevation Lookup](https://www.zero.xyz/c/fittings-ground-elevation-lookup-d785f4d6/llms.txt): $0.003/call via x402. Returns ground elevation in meters and feet for a given WGS-84 coordinate using the USGS 3DEP dataset.
- [fittings Federal Rulemaking Document Search](https://www.zero.xyz/c/fittings-federal-rulemaking-document-search-acaced46/llms.txt): $0.00447/call via x402. Full-text searches federal rulemaking documents on Regulations.gov, returning title, agency, docket, type, posted date, and comment deadline.
- [fittings HTML-to-Markdown Converter](https://www.zero.xyz/c/fittings-html-to-markdown-converter-9e2a0626/llms.txt): $0.005/call via x402. Converts an HTML document into clean Markdown by stripping scripts and styles, returning readable structured text.
- [CISA Known Exploited Vulnerabilities - Recent](https://www.zero.xyz/c/cisa-known-exploited-vulnerabilities-recent-890ce917/llms.txt): $0.00498/call via x402. Returns CVEs recently added to CISA's Known Exploited Vulnerabilities catalog, sorted newest first, with optional ransomware-campaign filtering.
- [fittings RxClass Drug Classes](https://www.zero.xyz/c/fittings-rxclass-drug-classes-8b29e1ca/llms.txt): $0.00498/call via x402. Returns deduplicated, labeled drug classification data (therapeutic, pharmacologic, MOA, ATC, VA classes) for a drug or ingredient via NLM RxClass.
- [fittings SEC Company Facts](https://www.zero.xyz/c/fittings-sec-company-facts-56958577/llms.txt): $0.005/call via x402. Retrieves structured XBRL financial facts for a US public company by CIK and US-GAAP concept, returning all reported values across filing periods.
- [NASA EONET Active Natural Hazard Events](https://www.zero.xyz/c/nasa-eonet-active-natural-hazard-events-f21376f0/llms.txt): $0.00447/call via x402. Returns NASA EONET natural hazard events currently being tracked worldwide, with latest position and magnitude, filterable by category, bounding box, and recency.
- [NWS Area Alerts](https://www.zero.xyz/c/nws-area-alerts-cc223103/llms.txt): $0.00496/call via x402. Returns all active National Weather Service watches, warnings, and advisories for a US state, territory, marine area, or forecast zone, with counts by event type.
- [HTS Code Search – Candidate Tariff Classifications by Product Description](https://www.zero.xyz/c/hts-code-search-candidate-tariff-classifications-by-product-description-c91f72d7/llms.txt): $0.00598/call via x402. Returns candidate HTS (Harmonized Tariff Schedule) codes for a plain-language product description, including code, description, units of quantity, and duty rates.
- [Fittings Profanity Filter](https://www.zero.xyz/c/fittings-profanity-filter-009ec127/llms.txt): $0.0042/call via x402. Scans text for profanity and obscenity, returning each match with its character offset and a redacted copy of the input text.
- [fittings FDA Structured Product Label Search](https://www.zero.xyz/c/fittings-fda-structured-product-label-search-8a213f9d/llms.txt): $0.00398/call via x402. Searches FDA DailyMed for current Structured Product Labels (SPLs) by drug name, NDC code, or labeler name, returning label SET IDs, titles, versions, and publication dates.
- [fittings.sh Forward Geocoder](https://www.zero.xyz/c/fittings-sh-forward-geocoder-819b2b9d/llms.txt): $0.003/call via x402. Converts a free-form US street address into latitude/longitude coordinates with a standardized, matched address string.
- [fittings Hash Digest](https://www.zero.xyz/c/fittings-hash-digest-576cf8b4/llms.txt): $0.0035/call via x402. Computes a SHA-1, SHA-256, SHA-384, or SHA-512 cryptographic hash of a supplied text string, returning both hex and base64 encodings.
- [fittings Arithmetic Worksheet](https://www.zero.xyz/c/fittings-arithmetic-worksheet-38225e76/llms.txt): $0.00446/call via x402. Runs a sequence of named arithmetic steps in exact rational arithmetic, returning every intermediate value as a fraction, decimal, and repeating expansion.
- [fittings Batch Census Geocoder](https://www.zero.xyz/c/fittings-batch-census-geocoder-244a6b5d/llms.txt): $0.022/call via x402. Geocodes up to 10 US street addresses in a single call, returning latitude/longitude coordinates plus Census geographic identifiers (state, county, tract, block, CBSA, CSA).
- [fittings FAERS Adverse Events Summary](https://www.zero.xyz/c/fittings-faers-adverse-events-summary-caf10c19/llms.txt): $0.00698/call via x402. Returns a summary of FDA Adverse Event Reporting System (FAERS) reports for a named drug, including total report count, top reactions, and distributions of reaction outcomes and seriousness.
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