All Things API

Get any site's company logo with just a URL

Google’s machine learning algorithms w/ RESTful interface

Make the uber for anything, or everything

Make stuff with us. Signup for early access to the PH API :)

Explore the largest API directory in the galaxy

Harness the power of live with Meerkat's public API

Build your own Siri. Speech interface for apps and devices.

Move your app forward with the Uber API

Instantly locate any device w/ WiFi, celltowers & IP address

API for face detection – also detects gender, age, pose

API for email inboxes

Company search API

Incorporate pinning into your app (beta signup)

Fetch any push, from any app – in real time

Build with Wunderlist

Build rich application-to-user messaging

Spend more time winning customers and less gathering data

Online Banking API for Business

Build on the largest on-demand ordering fleet

Create a RESTful API complete with beautiful docs in 30s

Connect any API data to Slack

Image Recognition API

Get logos for site/app with this dead-simple HTML API

Get thousands of email templates into your application

API for importing address books from 242 email providers.

Build the next great app with Genius

Drive up organic retention with our user interest API

Traction API: Let your data do your pitching

Instant search and offline access to 150+ APIs on iOS

StackHut turns code into live APIs, powered by containers

Natural Language API

APIs change. Don't get caught off guard.

Real-time analytics for APIs and microservices

An API for invoicing

Add rich information about companies to your application

The first stock brokerage API company

All the Star Wars data you've ever wanted

HIPAA compliant data store. Secure API to store health data

An API for for the English language

Unified Calendar API for developers

Find Person Info from an email as a simple API

Flexible, RESTful access to the user's inbox

Easy text message API

SEC filings API

Simple API to find person info from an email or phone.

A free JSON API to check your email messages' spam scores

APIs: Find and Be Found

Slack's Real Time Messaging API

API's for SMS, voice, and phone verification

Turn telephone numbers into full profiles

An API you can use to print custom swags for your customers

Blueprint for API Development

REST API for public transportation data

Facial recognition & mood detection API

API to 100's of on-demand product manufacturers

programmatically send Yos (contextual messages) through API

API Zen for App Developers

Real time air quality monitoring & API

HTML5 framework and API for Bitcoin, Litecoin, and Dogecoin

Add live voice, video, text & data features to your app