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2,166 APIs · page 43 of 46

US Mortgage Calculator

Mortgage payment, amortization, affordability and 50-state property tax data

No authHTTPSCORS

Finance

US Street Address

Validate and append data for any US postal address

apiKeyHTTPSCORS

Data Validation

US Weather

US National Weather Service

No authHTTPSCORS

Weather

US ZipCode

Validate and append data for any US ZipCode

apiKeyHTTPSCORS

Geocoding

USAJOBS

US government job board

apiKeyHTTPSCORS ?

Jobs

U

USAspending.gov

US federal spending data

No authHTTPSCORS ?

Government

Userstack

Secure User-Agent String Lookup JSON API

OAuthHTTPSCORS ?

Development

USGS Earthquake Hazards Program

Earthquakes data real-time

No authHTTPSNo CORS

Science & Math

USGS Water Services

Water quality and level info for rivers and lakes

No authHTTPSNo CORS

Science & Math

USPTO

USA patent api services

No authHTTPSCORS ?

Patent

Utah AGRC

Utah Web API for geocoding Utah addresses

apiKeyHTTPSCORS ?

Geocoding

Utilorax

203 JSON endpoints: hashing, encoding, unit conversion, text, dates and file conversion

apiKeyHTTPSCORS

Development

UUID Generator

Generate UUIDs

No authHTTPSNo CORS

Test Data

V

Vadivelu HTTP Codes

On demand HTTP Codes with images

No authHTTPSNo CORS

Personality

V

Vagalume

Crowdsourced lyrics and music knowledge

apiKeyHTTPSCORS ?

Music

Valorant (non-official)

An extensive API containing data of most Valorant in-game items, assets and more

No authHTTPSCORS ?

Games & Comics

VALR

Cryptocurrency Exchange based in South Africa

apiKeyHTTPSCORS ?

Cryptocurrency

VAT Validation

Validate VAT numbers and calculate VAT rates

apiKeyHTTPSCORS

Finance

VATComply.com

Exchange rates, geolocation and VAT number validation

No authHTTPSCORS

Currency Exchange

VATlayer

VAT number validation

apiKeyHTTPSCORS ?

Data Validation

Veabird

Beach (sargassum, waves, hurricanes) and ski snow forecasts for 1,900+ resorts, no key

No authHTTPSCORS

Weather

Vector Express v2.0

Free vector file converting API

No authHTTPSNo CORS

Documents & Productivity

VedIntel™ AstroAPI

Vedic astrology computation — birth charts, dashas, panchang, AI narratives

apiKeyHTTPSCORS

Science & Math

Velib metropolis, Paris, France

Velib Open Data API

No authHTTPSNo CORS

Transportation

Veridion

US congressional stock-trade disclosures and the President's OGE reports, linked to each filing

No authHTTPSCORS

Government

Verif Entreprise FR

French company checks by SIREN: status, insolvency (BODACC), VAT (VIES); free preview

No authHTTPSCORS

Business

Verified Handles

Official social media handles and identifiers of 155,000+ notable people and organisations

No authHTTPSCORS

Open Data

V

Verifier

Verifies that a given email is real

apiKeyHTTPSCORS

Email

VerifNow

Validates email, phone, IBAN, EU VAT against VIES, and Canadian, Spanish and US national IDs

apiKeyHTTPSNo CORS

Data Validation

Veriphone

Phone number validation & carrier lookup

apiKeyHTTPSCORS

Phone

VeriRoute Intel

CNAM caller ID, carrier/LRN lookup and spam scoring for North American phone numbers

apiKeyHTTPSCORS ?

Phone

Verome

Music API for searching, streaming and exploring music data from YouTube Music, YouTube, and Last.fm

No authHTTPSCORS ?

Music

Vessel Class Finder

IACS class society, class status and survey dates for ships by IMO number

apiKeyHTTPSCORS

Transportation

Vett

Screen names & companies against OFAC, PEP, watchlists & recalls

No authHTTPSCORS

Government

ViaCep

Brazil RESTful zip codes API

No authHTTPSCORS ?

Geocoding

Vibeworker

Upwork job listings with client data and AI fit scores, plus webhooks and RSS

apiKeyHTTPSNo CORS

Jobs

Video to Markdown

Turn a YouTube URL into a markdown thumbnail image link

No authHTTPSCORS

Video

VidWords

YouTube transcripts and subtitles as TXT, SRT, VTT or DOCX, plus AI video analysis

apiKeyHTTPSNo CORS

Video

Village

Person and company enrichment plus warm introduction paths through your network

apiKeyHTTPSCORS

Business

Vimeo

Vimeo Developer API

OAuthHTTPSCORS ?

Video

V

Virushee

Virushee file/data scanning

No authHTTPSCORS

Security

VirusTotal

VirusTotal File/URL Analysis

apiKeyHTTPSCORS ?

Anti-Malware

Visual Crossing

Global historical and weather forecast data

apiKeyHTTPSCORS

Weather

vk

Read and write vk data

OAuthHTTPSCORS ?

Social

Voidly

Internet censorship measurements, incidents, and ISP-level blocking data across 126 countries

No authHTTPSNo CORS

Open Data

Vornamencheck

Gender probability for a first name, optionally per country; documentation in German

No authHTTPSCORS

Development

VotePredictor

US election forecasts, congressional voting records and forecaster accuracy ratings

No authHTTPSCORS

Government

Voxell Forge

OpenAI-compatible text embeddings API, free-forever model with no credit card required

apiKeyHTTPSNo CORS

Machine Learning

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