Ready APIs

List public-safe dataset coverage, status, and endpoint counts. Demo mode is allowed.

Return public-safe coverage, limitations, and endpoint references for one dataset slug.

Look up a ZIP profile. Demo mode allows 30301, 30303, 10001, 94105, 60601, 78701, and 98101.

Look up multiple ZIP profiles in one bounded request. Demo mode allows up to 5 selected sample ZIPs; production accepts up to 10.

Return the enriched ZIP profile shape used by production enrichment workflows. Demo mode allows selected sample ZIPs.

Return ZIP profiles for a city and state. Demo mode allows selected sample cities.

Return ZIP profiles in a county by county FIPS. Demo mode allows selected sample FIPS values.

Resolve a timezone using nearest ZIP centroid logic. Demo mode allows selected sample coordinates.

Return distance-sorted ZIP profiles near a coordinate. Demo mode allows selected sample coordinates, radius up to 25 miles, and limit up to 10.

Resolve an IPv4 or IPv6 address to city, state, country, coordinates, timezone, and the nearest US ZIP profile. Demo mode is limited to selected sample IPs.

Return federal tax bracket reference rows. Demo mode is limited to 2026 and standard filing statuses.

Return standard deduction reference values. Demo mode is limited to 2026.

Return mileage-rate reference values. Demo mode is limited to 2026.

Return retirement contribution reference values. Demo mode is limited to 2026.

Return filing deadline reference values. Demo mode is limited to 2026.

Return selected state individual income-tax bracket references. Demo mode is limited to Georgia 2026.

Return a combined federal bracket, standard deduction, mileage, retirement, and filing-deadline reference summary. Demo mode is limited to 2026.

Compute progressive federal (and optional state) tax owed from gross income, filing status, year, and deductions. Returns tax, marginal/effective rate, take-home, and per-bracket impact. Demo mode is limited to 2026 and standard filing statuses. Reference data only, not advice.

Return historical route reliability. Demo mode allows selected loaded routes such as ATL-LGA, ORD-EWR, SFO-SEA, LAX-JFK, DFW-LAX, and ATL-MCO.

Summarize delay and reliability signals for an airport across loaded loaded route aggregates.

Rank loaded departure-hour buckets for a route by historical reliability score.

Summarize loaded route reliability signals for a carrier code.

Return historical cancellation-risk signals for a route. This is not live tracking.

Return a combined historical route summary with reliability, cancellation risk, carriers, months, and best time bucket. This is not live tracking.

Return a company profile by domain. Demo mode allows selected sample domains.

Return multiple company profiles by domain in one bounded request. Demo mode allows selected sample domains.

Search loaded curated company profiles by name, domain, industry, or ticker. Demo mode allows selected sample queries.

Search loaded curated company profiles by industry, category, or description signals.

Return a loaded curated company profile by public ticker.

Return a nonprofit identity profile by EIN.

Search nonprofit identity profiles by name, category, EIN, or state.

Classify a domain using the loaded curated company profile set.

Return aggregate counts across the 3.3M-entity registry — by country, jurisdiction, industry, entity_type, employee_range, decade founded, plus hierarchy/data-quality coverage. Filter the slice with country/jurisdiction/industry/naics.

Chronological lifecycle event list for any company — founding year, SEC former-name rebrand events, current status, parent disclosures.

Walk the GLEIF ultimate-parent hierarchy and return every entity sharing the same conglomerate root. Excludes pension/retirement trusts by default.

Resolve a registry-assigned registration number (Companies House, Delaware file number, Handelsregisternummer, etc.) to a company profile. Pass country= to disambiguate since regnums aren't globally unique.

Vendor / counterparty change monitoring. Returns time-ordered entity changes (status flips, parent acquisitions, renames) filtered by since-date, LEI, change_type, or country. Critical for continuous KYC and M&A monitoring.

Auto-detect identifier type and route. Accepts LEI, CIK, domain, email, ticker, or exact name. Returns resolution.matched_on so caller can confirm what type was used.

Single-call mega-endpoint — subject profile + hierarchy + corporate-family network + lifecycle timeline + peer benchmark in one response. The 'everything we know' company call.

Resolve a SEC EDGAR Central Index Key (CIK) to a unified company profile. Accepts CIK with or without leading zeros (320193 = 0000320193 = Apple).

Benchmark a company against same-industry/same-country peers — employee distribution, jurisdiction mix, founding-decade histogram, and where the subject ranks within the peer set.

Resolve up to 50 mixed identifiers (domain, LEI, ticker, name) in a single POST. Each result preserves the original input for join-back.

Return job and skill-demand trend rows. Demo mode allows selected sample skills.

Return ranked related skills for a loaded skill trend.

Return aggregated skill signals for a role title. Demo mode allows selected sample job titles.

Return remote/hybrid/on-site trend buckets for a role title.

Return curated company-level hiring signals for a location and optional role family.

Return salary signal aggregates for a role title in the loaded trend set.

Validate an email address: RFC syntax, MX lookup, disposable/free/role-account flags, typo correction, and a composite deliverability score. Demo mode is allowed; no live SMTP probe.

Test whether a domain belongs to the curated disposable-email-domain list.

Test whether a domain belongs to the curated free consumer-email-provider list.

Live SMTP RCPT probe (HELO + MAIL FROM + RCPT TO; no DATA). Reports deliverability verdict (deliverable / catch_all / undeliverable / greylisted / inconclusive). Catch-all detection via random-fake-RCPT comparison. Skipped automatically for Gmail / Outlook / Yahoo / iCloud / F...

Validate + enrich a phone number in 200+ countries. Returns E.164/national/international formatting, country, number-type (mobile/fixed/VoIP/toll-free/premium), carrier (where libphonenumber has data), timezones, disposable-carrier flag, and a risk band (low/moderate/elevated/...

Lightweight country + region + primary timezone lookup for a phone number. Cheaper than phone_validate when you only need the country header.

Identify the issuing bank, scheme (Visa / Mastercard / Amex / etc), card type (credit/debit/prepaid), and country behind a card BIN. Accepts a 6-8 digit BIN or a full PAN (Luhn-checked, never echoed). Returns scheme + card_type + brand + issuer_bank + country + risk_band. PCI-...

Decode a 17-character Vehicle Identification Number. Offline ISO 3779/3780 structural decode (syntax, check digit, country, model year) + NHTSA vPIC enrichment (make / model / trim / body / engine / plant). Use for insurance underwriting, used-car listing validation, fleet man...

Search the US Treasury OFAC SDN list by name. 5-stage match cascade (exact primary, exact AKA, substring primary, substring AKA, fuzzy token-Jaccard) returns matches with programs (RUSSIA/IRAN/SDGT/etc), countries, AKAs, and 0.0-1.0 confidence. Filters by sdn_type / country /...

Return current daily reference exchange rates relative to a base currency (default EUR), sourced from ECB.

Convert an amount between two currencies at the most recent reference rate.

Reference rate for a specific past date. Useful for 'what was USD→EUR on 2024-11-15?' questions.

Daily rate series for a single base→quote pair across a date range. Useful for charts and trend analysis.

List every currency Ready APIs has reference-rate coverage for, with its issuing central bank and peg classification.

No parameters. Call it with no arguments.

Deep enrichment for one currency pair: latest rate + 30/90-day volatility + trend + anomaly z-score + spread estimate + cross-strength + verdict. Decision-grade single-call summary.

Ranked strength leaderboard for the past N days. For each currency in the basket (g10 or majors), the average move across every pair it participates in. Strongest → weakest with per-currency label.

Top N pairs by absolute % change over the lookback window. Returns signed pct_change + direction (up/down/flat). Daily/weekly market briefing.

Pearson correlation of daily log-returns vs USD across a basket. Cells banded strong_positive/positive/neutral/negative/strong_negative. Treasury/risk workflow for understanding multi-currency exposure.

Pairs ranked by annualized realized volatility. Distinct from fx_movers — surfaces pairs that swing wildly day-to-day, even if flat overall. Classes: low/moderate/elevated/extreme.

List US federal holidays for a year, including observed dates per OPM rules.

Check whether a US date is a business day (weekday and not a federal holiday).

Add N business days to a date and return the resulting business day.

Resolve an IP to its autonomous system number, organization, and network prefix.

Parse and validate a free-form US address: standardize street/unit/city/state/ZIP and cross-check the ZIP against the geo dataset for state and city consistency.

Resolve A, AAAA, MX, TXT, NS, CNAME, SOA, and CAA records for a domain.

Public WHOIS profile: registrar, creation date, expiration, name servers, age in years.

Complete DNS + WHOIS + security + hosting + email-infrastructure + subdomain-probe + health-verdict picture in one call. Sales-intel and security-audit workflow.

Composite 0-100 reputation score combining domain age, registrar tier, expiration window, security grade, NS diversity, and hosting tier. Returns band (high/moderate/low/suspect) + contributing factors. Designed for fraud-screening pipelines.

Recent SSL certificates from Certificate Transparency logs (crt.sh). Returns recent certs with issuer + expiry, plus the deduped subdomain list discovered across all CT entries. Useful for shadow-IT detection, sales-intel hostname discovery, and phishing-cert monitoring.

Open a TLS handshake on :443, capture the presented cert + protocol version + cipher, and grade the result A-F. Surfaces days-until-expiry, SAN list, self-signed detection, and findings like 'CBC-mode cipher in use'.

Compare a target domain against a reference for phishing / typosquatting / lookalike detection. Computes edit distance, apex/TLD diff, homoglyph substitution detection (0↔o, 1↔l, rn↔m). Flags is_likely_typosquat + is_likely_lookalike with drivers. Pure analytical comparison —...

Snapshot-on-query passive-DNS view. Returns every (record_type, value) tuple seen for this domain during /dns/lookup calls, with first_seen + last_seen + observation_count. Useful for detecting when A records moved or recovering historical NS/MX values. Not a global feed — acc...