Steam
Steam Web API documentation
Auth
apiKey
HTTPS
Yes
CORS
No
More Games & Comics APIs
View allAmiiboAPI
Nintendo Amiibo Information
No AuthHTTPSCORS
Atlas Academy
API for Fate/Grand Order game data
No AuthHTTPS
Autochess VNG
Rest Api for Autochess VNG
No AuthHTTPSCORS
Barter.VG
Provides information about Game, DLC, Bundles, Giveaways, Trading
No AuthHTTPSCORS
Battle.net
Diablo III, Hearthstone, StarCraft II and World of Warcraft game data APIs
OAuthHTTPSCORS
Blue Archive
Provides Blue Archive characters information
No AuthHTTPSCORS