Foursquare

Social

Interact with Foursquare users and places (geolocation-based checkins, photos, tips, events, etc)

OAuthHTTPSCORS ?

Auth

OAuth

HTTPS

Yes

CORS

Unknown

API URL

4chan

Simple image-based bulletin board dedicated to a variety of topics

Ayrshare

Social media APIs to post, get analytics, and manage multiple users social media accounts

aztro

Daily horoscope info for yesterday, today, and tomorrow