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[1506]

1,506 free public APIs across 52 categories. Filter by auth, CORS, HTTPS support — find what you need to build with.

30 of 1506 APIs · page 9 / 51CLEAR FILTERS ↻
// MACHINE LEARNING0241

Cohere

Harness the power of language understanding. Join the developers and businesses who are using Cohere to generate, categorize and organize text at a scale that was previously unimaginable.

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// CRYPTOCURRENCY0242

CoinAPI

All Currency Exchanges integrate under a single api

AUTH: APIKEYHTTPSCORS: NOOPEN ↗
// CRYPTOCURRENCY0243

Coinbase

Bitcoin, Bitcoin Cash, Litecoin and Ethereum Prices

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// CRYPTOCURRENCY0244

Coinbase Pro

Cryptocurrency Trading Platform

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// CRYPTOCURRENCY0245

CoinCap

Real time Cryptocurrency prices through a RESTful API

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// CRYPTOCURRENCY0246

CoinDCX

Cryptocurrency Trading Platform

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// CRYPTOCURRENCY0247

CoinGecko

Cryptocurrency Price, Market, and Developer/Social Data

NO AUTHHTTPSCORS: YESOPEN ↗
// CRYPTOCURRENCY0248

Coinigy

Interacting with Coinigy Accounts and Exchange Directly

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// CRYPTOCURRENCY0249

Coinlib

Crypto Currency Prices

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// CRYPTOCURRENCY0250

Coinlore

Cryptocurrencies prices, volume and more

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// CRYPTOCURRENCY0251

CoinMarketCap

Cryptocurrencies Prices

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// CRYPTOCURRENCY0252

Coinpaprika

Cryptocurrencies prices, volume and more

NO AUTHHTTPSCORS: YESOPEN ↗
// CRYPTOCURRENCY0253

CoinRanking

Live Cryptocurrency data

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// CRYPTOCURRENCY0254

Coinremitter

Cryptocurrencies Payment & Prices

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// CRYPTOCURRENCY0255

CoinStats

Blockchain and DeFi across 120+ chains, market, historical data, portfolio tracking, news, sentiment, MCP, and agent skills

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// SPORTS & FITNESS0256

CollegeFootballData.com

Unofficial detailed American college football statistics, records, and results API

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// OPEN DATA0257

CollegeScoreCard.ed.gov

Data on higher education institutions in the United States

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// DICTIONARIES0258

Collins

Bilingual Dictionary and Thesaurus Data

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// GOVERNMENT0259

Colorado Information Marketplace

Colorado State Government Open Data

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// WEATHER0260

ColorfulClouds

Weather

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// ART & DESIGN0261

ColorMagic

Color Palette Generator

NO AUTHHTTPSCORS: YESOPEN ↗
// ART & DESIGN0262

ColourLovers

Get various patterns, palettes and images

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// GAMES & COMICS0263

Comic Vine

Comics

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// TRANSPORTATION0264

Community Transit

Transitland API

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// BUSINESS0265

CompanyEnrich

API for B2B company data enrichment, domain enrichment, and website enrichment

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// SECURITY0266

Complete Criminal Checks

Provides data of offenders from all U.S. States and Puerto Rico

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// VIDEO0267

Compress Video API

Compress video files through an asynchronous workflow, a practical API for large-scale or long-duration videos / tasks

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DEVELOPMENT0268

Contentful Images

Used to retrieve and apply transformations to images

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// CURRENCY EXCHANGE0269

Convert Currency to Multiple Currencies

Convert currencies from a source currency to multiple target currencies.

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DOCUMENTS & PRODUCTIVITY0270

Convert HTML to PDF API

This API converts any HTML (file, url, base64) to a PDF

AUTH: APIKEYHTTPSCORS: YESOPEN ↗