opensourcestartups
                          _|                                                                                                  (             h       . )            g          '                    #    -        @          
        \[                                                                                         } }                                            .               g|    >                         +           .             
                             =<    H                          {         .       ;    \ (                                                     .                                         .      !                             
   .               ]   @        \                                  "                       ;                          .      ]         .           .            [       .  .                                          .     
           @             `                                                    _  @                                                         :           *                0.      #                            +              
                                 .         :                                 !(                                                                 .                       /    .                                   ^        H 
                              *      `                     )                @                                                          >                 0                                                    !             
            _                                                          .       *                                                 .            {* #                       |                  '     1   - 0 /             ;   
  .:             /               /     1                                                      ]              |                                  +            _      `                       .  -~          /                
              `                                 .              .                                  ]                            .                                                                                            
                     ,                                  =         /<                             <              /       !    ]        0.                                                          <             .           
                                                           [                 {                   g                                                               \             !        "                                   
               [*    0                                                                            |                        ,                                     "    } ]     ._                             \              
                      "  )       _        g           g                           ^                              /      `           =                                  |            *                   }                   
        1  -                                                                           '/            _                                                                                {#         ~   (                      
  .                                     _                                                                     ;                              1       .    "                .                                                
                               [0                                                        .             @                                 ]                        #              "               g             g            
                                >  #  @                  .                  :                               .               .  >                    .   )_                   .                                              
             }    h                                  ,                 >             >                          }                                     .                            -             ;     #                    
          =                                                              .            \          ^                  +       H `    !             .                                 0     ]              ;                   
                                                               (             /          |        ( ~                                                  ,            _                                       .  -             
         [`      )                          ;                  #  . >                =  -                    .     ;                              ,                         -                        1                      
                  h    .                                                             \                             +  , `                        . "        .             <              .       }        _            H .  
             *        (         ]      .                    h                    _}  )                    -                                  ~@                                                !                .           
    .              =                /                                           g                   0                                    :H   '      [                                          '                -          
              .                                             # [     .                                                               .         [        !                                 /                              .   
.~                                  h    H                      \                       .                           ;             ,                                               !            `                        :   
         >                              .                                           `        |                              1             H                                                  `          +                   
                                                      >   *                =                    }             _    {                         .      .                                                             '         
                                       +          0 =                 .                        /              ,                  ]        g   "                                             #  )                            

> /v1/apis · THE FREE API DIRECTORY

Public APIs[0557]

557 free public APIs across 52 categories. Filter by auth, CORS, HTTPS support — find what you need to build with.

30 of 557 APIs · page 18 / 19CLEAR FILTERS ↻
// GAMES & COMICS0511

Universalis

Final Fantasy XIV market board data

NO AUTHHTTPSCORS: YESOPEN ↗
// VIDEO0512

uNoGS

Unofficial Netflix Online Global Search, Search all netflix regions in one place

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// ANTI-MALWARE0513

URLhaus

Bulk queries and Download Malware Samples

NO AUTHHTTPSCORS: YESOPEN ↗
// DOCUMENTS & PRODUCTIVITY0514

URL to Markdown

Convert web page to MarkDown

NO AUTHHTTPSCORS: YESOPEN ↗
// DATA VALIDATION0515

US Autocomplete

Enter address data quickly with real-time address suggestions

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DEVELOPMENT0516

UserAgent

User agent parsing API is designed to help you better understand and interact with your users. By identifying browser, device, and OS data from user agent strings, this API empowers you with accurate, real-time insights into your audience.

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DATA VALIDATION0517

US Extract

Extract postal addresses from any text including emails

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// BUSINESS0518

USPTO Trademark

Trademark keyword search, availability, owner, serial search, attorney info, MCP ready

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DATA VALIDATION0519

US Street Address

Validate and append data for any US postal address

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// WEATHER0520

US Weather

US National Weather Service

NO AUTHHTTPSCORS: YESOPEN ↗
// GEOCODING0521

US ZipCode

Validate and append data for any US ZipCode

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// FINANCE0522

Validate IBAN API

This API lets you quickly validate IBAN bank codes

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// FINANCE0523

Validate Swift/BIC

Validates BIC/SWIFT code

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DATA VALIDATION0524

Validate UK Postcodes

This API validates postal codes within UK

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// FINANCE0525

ValueRay

Technical, quantitative and sentiment data for stocks and ETFs, optimized for AI/LLM

NO AUTHHTTPSCORS: YESOPEN ↗
// DATA VALIDATION0526

VatcheckAPI

VAT Number Validation & Lookup REST API

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// CURRENCY EXCHANGE0527

VATComply.com

Exchange rates, geolocation and VAT number validation

NO AUTHHTTPSCORS: YESOPEN ↗
// PERSONALITY0528

Vedika

AI-powered Vedic astrology API with birth charts, compatibility, doshas, AI chatbot in 22 languages

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// EMAIL0529

Verifier

Verifies that a given email is real

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// PHONE0530

Veriphone

Phone number validation & carrier lookup

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// ANTI-MALWARE0531

Verisys Antivirus API

Antivirus as a service - REST API that scans provided files for malware and NSFW content

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// VIDEO0532

Video Thumbnail API

Create Video Thumbnails from any video or URL

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// WEATHER0533

Visual Crossing

Global historical and weather forecast data

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// ANIME0534

Waifu.im

Get waifu pictures from an archive of over 4000 images and multiple tags

NO AUTHHTTPSCORS: YESOPEN ↗
// ANIME0535

Waifu.it

Free RESTful API for Anime Quotes, Facts, Emotes, Gifs, Nekos, Waifus and More!

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// AUTHENTICATION & AUTHORIZATION0536

Warrant

APIs for authorization and access control

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// ENVIRONMENT0537

WattBuy

Electricity usage estimations, carbon footprint estimations, and utility data

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DOCUMENTS & PRODUCTIVITY0538

WAV to MP3 API

This API lets you convert wav files to mp3

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// WEATHER0539

WeatherAPI

Weather API with other stuff like Astronomy and Geolocation API

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// CLOUD STORAGE & FILE SHARING0540

Web3 Storage

File Sharing and Storage for Free with 1TB Space

AUTH: APIKEYHTTPSCORS: YESOPEN ↗