Best Free APIs Directory
Find free APIs for AI, weather, finance, and development projects in our curated directory.
The Best Free APIs for Developers
Find the perfect free API for your next project. Our curated directory features hundreds of free APIs across AI, weather, finance, and developer tools - all verified to offer genuine free tiers without credit card requirements.
Whether you need AI APIs for natural language processing, Weather APIs for forecasts and historical data, Finance APIs for stock and crypto data, or Developer APIs for GitHub integration and more - we have you covered.
Pro tip: Each API card includes a copy button for the endpoint URL. Click to copy and integrate into your projects quickly.
Showing 1-48 of 1467 APIs
AdoptAPet
Animals
AdoptAPet is an API listed in the Animals category that provides access to resource to help get pets adopted. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available; CORS is listed as Yes. This makes AdoptAPet a useful integration candidate when a project needs resource to help get pets adopted through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Axolotl
Animals
Axolotl is an API listed in the Animals category that provides access to collection of axolotl pictures and facts. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as No. This makes Axolotl a useful integration candidate when a project needs collection of axolotl pictures and facts through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Cat Facts
Animals
Cat Facts is an API listed in the Animals category that provides access to daily cat facts. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as No. This makes Cat Facts a useful integration candidate when a project needs daily cat facts through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Cataas
Animals
Cataas is an API listed in the Animals category that provides access to cat as a service (cats pictures and gifs). It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as No. This makes Cataas a useful integration candidate when a project needs cat as a service (cats pictures and gifs) through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Cats
Animals
Cats is an API listed in the Animals category that provides access to pictures of cats from Tumblr. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available; CORS is listed as No. This makes Cats a useful integration candidate when a project needs pictures of cats from Tumblr through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Dog Facts
Animals
Dog Facts is an API listed in the Animals category that provides access to random dog facts. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Dog Facts a useful integration candidate when a project needs random dog facts through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Dogs
Animals
Dogs is an API listed in the Animals category that provides access to based on the Stanford Dogs Dataset. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Dogs a useful integration candidate when a project needs based on the Stanford Dogs Dataset through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
eBird
Animals
eBird is an API listed in the Animals category that provides access to retrieve recent or notable birding observations within a region. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available; CORS is listed as No. This makes eBird a useful integration candidate when a project needs retrieve recent or notable birding observations within a region through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
FishWatch
Animals
FishWatch is an API listed in the Animals category that provides access to information and pictures about individual fish species. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes FishWatch a useful integration candidate when a project needs information and pictures about individual fish species through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
HTTP Cat
Animals
HTTP Cat is an API listed in the Animals category that provides access to cat for every HTTP Status. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes HTTP Cat a useful integration candidate when a project needs cat for every HTTP Status through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
HTTP Dog
Animals
HTTP Dog is an API listed in the Animals category that provides access to dogs for every HTTP response status code. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes HTTP Dog a useful integration candidate when a project needs dogs for every HTTP response status code through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
IUCN
Animals
IUCN is an API listed in the Animals category that provides access to IUCN Red List of Threatened Species. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as unavailable; CORS is listed as No. This makes IUCN a useful integration candidate when a project needs IUCN Red List of Threatened Species through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
MeowFacts
Animals
MeowFacts is an API listed in the Animals category that provides access to get random cat facts. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as No. This makes MeowFacts a useful integration candidate when a project needs get random cat facts through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Movebank
Animals
Movebank is an API listed in the Animals category that provides access to movement and Migration data of animals. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Movebank a useful integration candidate when a project needs movement and Migration data of animals through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Petfinder
Animals
Petfinder is an API listed in the Animals category that provides access to petfinder is dedicated to helping pets find homes, another resource to get pets adopted. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available; CORS is listed as Yes. This makes Petfinder a useful integration candidate when a project needs petfinder is dedicated to helping pets find homes, another resource to get pets adopted through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
PlaceBear
Animals
PlaceBear is an API listed in the Animals category that provides access to placeholder bear pictures. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes PlaceBear a useful integration candidate when a project needs placeholder bear pictures through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
PlaceDog
Animals
PlaceDog is an API listed in the Animals category that provides access to placeholder Dog pictures. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes PlaceDog a useful integration candidate when a project needs placeholder Dog pictures through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
PlaceKitten
Animals
PlaceKitten is an API listed in the Animals category that provides access to placeholder Kitten pictures. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes PlaceKitten a useful integration candidate when a project needs placeholder Kitten pictures through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
RandomDog
Animals
RandomDog is an API listed in the Animals category that provides access to random pictures of dogs. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes RandomDog a useful integration candidate when a project needs random pictures of dogs through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
RandomDuck
Animals
RandomDuck is an API listed in the Animals category that provides access to random pictures of ducks. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as No. This makes RandomDuck a useful integration candidate when a project needs random pictures of ducks through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
RandomFox
Animals
RandomFox is an API listed in the Animals category that provides access to random pictures of foxes. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as No. This makes RandomFox a useful integration candidate when a project needs random pictures of foxes through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
RescueGroups
Animals
RescueGroups is an API listed in the Animals category that provides access to adoption. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes RescueGroups a useful integration candidate when a project needs adoption through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Shibe.Online
Animals
Shibe.Online is an API listed in the Animals category that provides access to random pictures of Shiba Inu, cats or birds. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Shibe.Online a useful integration candidate when a project needs random pictures of Shiba Inu, cats or birds through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
The Dog
Animals
The Dog is an API listed in the Animals category that provides access to a public service all about Dogs, free to use when making your fancy new App, Website or Service. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available; CORS is listed as No. This makes The Dog a useful integration candidate when a project needs a public service all about Dogs, free to use when making your fancy new App, Website or Service through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
xeno-canto
Animals
xeno-canto is an API listed in the Animals category that provides access to bird recordings. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes xeno-canto a useful integration candidate when a project needs bird recordings through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Zoo Animals
Animals
Zoo Animals is an API listed in the Animals category that provides access to facts and pictures of zoo animals. It is intended for developers who want to integrate this type of animals data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Zoo Animals a useful integration candidate when a project needs facts and pictures of zoo animals through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
AniAPI
Anime
AniAPI is an API listed in the Anime category that provides access to anime discovery, streaming & syncing with trackers. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies OAuth as the authentication method; HTTPS support is listed as available; CORS is listed as Yes. This makes AniAPI a useful integration candidate when a project needs anime discovery, streaming & syncing with trackers through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
AniDB
Anime
AniDB is an API listed in the Anime category that provides access to anime Database. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as unavailable. This makes AniDB a useful integration candidate when a project needs anime Database through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
AniList
Anime
AniList is an API listed in the Anime category that provides access to anime discovery & tracking. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies OAuth as the authentication method; HTTPS support is listed as available. This makes AniList a useful integration candidate when a project needs anime discovery & tracking through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
AnimeChan
Anime
AnimeChan is an API listed in the Anime category that provides access to anime quotes (over 10k+). It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as No. This makes AnimeChan a useful integration candidate when a project needs anime quotes (over 10k+) through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
AnimeFacts
Anime
AnimeFacts is an API listed in the Anime category that provides access to anime Facts (over 100+). It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes AnimeFacts a useful integration candidate when a project needs anime Facts (over 100+) through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
AnimeNewsNetwork
Anime
AnimeNewsNetwork is an API listed in the Anime category that provides access to anime industry news. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes AnimeNewsNetwork a useful integration candidate when a project needs anime industry news through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Catboy
Anime
Catboy is an API listed in the Anime category that provides access to neko images, funny GIFs & more. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Catboy a useful integration candidate when a project needs neko images, funny GIFs & more through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Danbooru Anime
Anime
Danbooru Anime is an API listed in the Anime category that provides access to thousands of anime artist database to find good anime art. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available; CORS is listed as Yes. This makes Danbooru Anime a useful integration candidate when a project needs thousands of anime artist database to find good anime art through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Jikan
Anime
Jikan is an API listed in the Anime category that provides access to unofficial MyAnimeList API. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Jikan a useful integration candidate when a project needs unofficial MyAnimeList API through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Kitsu
Anime
Kitsu is an API listed in the Anime category that provides access to anime discovery platform. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies OAuth as the authentication method; HTTPS support is listed as available; CORS is listed as Yes. This makes Kitsu a useful integration candidate when a project needs anime discovery platform through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
MangaDex
Anime
MangaDex is an API listed in the Anime category that provides access to manga Database and Community. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available. This makes MangaDex a useful integration candidate when a project needs manga Database and Community through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Mangapi
Anime
Mangapi is an API listed in the Anime category that provides access to translate manga pages from one language to another. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available. This makes Mangapi a useful integration candidate when a project needs translate manga pages from one language to another through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
MyAnimeList
Anime
MyAnimeList is an API listed in the Anime category that provides access to anime and Manga Database and Community. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies OAuth as the authentication method; HTTPS support is listed as available. This makes MyAnimeList a useful integration candidate when a project needs anime and Manga Database and Community through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
NekosBest
Anime
NekosBest is an API listed in the Anime category that provides access to neko Images & Anime roleplaying GIFs. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes NekosBest a useful integration candidate when a project needs neko Images & Anime roleplaying GIFs through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Shikimori
Anime
Shikimori is an API listed in the Anime category that provides access to anime discovery, tracking, forum, rates. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies OAuth as the authentication method; HTTPS support is listed as available. This makes Shikimori a useful integration candidate when a project needs anime discovery, tracking, forum, rates through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Studio Ghibli
Anime
Studio Ghibli is an API listed in the Anime category that provides access to resources from Studio Ghibli films. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Studio Ghibli a useful integration candidate when a project needs resources from Studio Ghibli films through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Trace Moe
Anime
Trace Moe is an API listed in the Anime category that provides access to a useful tool to get the exact scene of an anime from a screenshot. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Trace Moe a useful integration candidate when a project needs a useful tool to get the exact scene of an anime from a screenshot through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Waifu.im
Anime
Waifu.im is an API listed in the Anime category that provides access to get waifu pictures from an archive of over 4000 images and multiple tags. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Waifu.im a useful integration candidate when a project needs get waifu pictures from an archive of over 4000 images and multiple tags through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Waifu.pics
Anime
Waifu.pics is an API listed in the Anime category that provides access to image sharing platform for anime images. It is intended for developers who want to integrate this type of anime data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as No. This makes Waifu.pics a useful integration candidate when a project needs image sharing platform for anime images through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
AbuseIPDB
Anti-Malware
AbuseIPDB is an API listed in the Anti-Malware category that provides access to IP/domain/URL reputation. It is intended for developers who want to integrate this type of anti-malware data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available. This makes AbuseIPDB a useful integration candidate when a project needs IP/domain/URL reputation through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
AlienVault Open Threat Exchange (OTX)
Anti-Malware
AlienVault Open Threat Exchange (OTX) is an API listed in the Anti-Malware category that provides access to IP/domain/URL reputation. It is intended for developers who want to integrate this type of anti-malware data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available. This makes AlienVault Open Threat Exchange (OTX) a useful integration candidate when a project needs IP/domain/URL reputation through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
CAPEsandbox
Anti-Malware
CAPEsandbox is an API listed in the Anti-Malware category that provides access to malware execution and analysis. It is intended for developers who want to integrate this type of anti-malware data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available. This makes CAPEsandbox a useful integration candidate when a project needs malware execution and analysis through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Frequently Asked Questions About Free APIs
What are the best free APIs for developers?
The best free APIs include OpenAI API (free tier), GitHub REST API, OpenWeather API, and Alpha Vantage for finance data. Our directory lists hundreds of free APIs across AI, weather, finance, and developer categories.
Do these APIs require a credit card?
Most APIs in our directory offer free tiers that don't require a credit card. Some may require registration for an API key, but you won't be charged for basic usage within their free limits.
How do I integrate these APIs into my project?
Each API listing includes the endpoint URL with a copy button. Click to copy the endpoint, then use it in your HTTP requests. Visit the API's documentation (linked on each page) for authentication details and usage examples.
What's the difference between free and paid API tiers?
Free API tiers typically have rate limits (requests per minute/day) and may offer fewer features. They're perfect for development, testing, and small projects. Paid tiers offer higher limits, more features, and SLAs for production use.
Can I use these APIs for commercial projects?
Most APIs allow commercial use on their free tiers, but check each API's terms of service. Some may require attribution or have specific usage restrictions for commercial applications.