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Updated by Richard Tomlinson on Oct 13, 2014
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Handy Data Services and API's

If you're in the business of data integration or app development, here are a ton of new web services and API's to take advantage of...

Fliptop - Social Intelligence

Turn email addresses into full demographic & social profiles from Twitter, Facebook & LinkedIn data. Identify overlap across social networks, brand ambassadors, and more

Klout - Welcome to the Klout Developer Network!

Follow the steps below to start using the API: Klout makes the following information available to or dev ecosystem: For more more info on our scoring check out "What is the Klout Score?" See below for some of the ways our partners our leveraging Klout data.


The PeerIndex API provides programmatic access to the data of the PeerIndex platform. This allows developers to integrate PeerIndex ranks into their applications. These pages provide the documentation necessary to get started with using the PeerIndex API. To get started with using the PeerIndex API follow these steps: By using the PeerIndex API you are agreeing to adhere to our terms of service.


Rapleaf wants every person to be able to have a meaningful, personalized online experience. To achieve this, Rapleaf helps leading businesses personalize customer interactions through deeper customer insight. The San Francisco based company also brings new and effective data segments to the online marketplace to help advertisers reach their ideal audience.

ifttt / Put the internet to work for you.

Put the internet to work for you.


Facebook Graph API

Facebook Graph API

At Facebook's core is the social graph; people and the connections they have to everything they care about. The Graph API presents a simple, consistent view of the Facebook social graph, uniformly representing objects in the graph (e.g., people, photos, events, and pages) and the connections between them (e.g., friend relationships, shared content, and photo tags).

WebPurify™ Profanity Filter

WebPurify is an accurate and efficient profanity filter web service that can be easily integrated into any web application. With WebPurify, the profanity list updates automatically to maximize accuracy. In addition to scanning for profanity, WebPurify allows the user to add their personal list of words to filter.

Are you looking for quality technology solutions?

Creative technology freaks, with passion and commitment to service our worldwide clients with our wide range of IT solutions. Know why and how we're different! We offer customized and result-oriented business IT solutions to enterprises and enhance their business performance.

Geo Data and IP Intelligence | Infochimps

Powerful geo APIs and solutions for your websites and applications help you leverage a world of data. Location matters, now more than ever, as our world becomes more mobile. Use our collection of geo-data pulled from dozens of in-demand resources including Foursquare, Wikipedia, NCDC Historical Weather, and more to enhance your apps and analytics.

Data sets, databases, statistics for free download and for sale | Infochimps

The 2009 American Community Survey (ACS) Drilldown API provides detailed demographic data based on your geographically defined query. This geo to ACS data API performs a "drilldown" in core subject areas, providing detailed table data for each subject area. The API searches by lat/long coordinates to retrieve ACS data about a geographical area, including in-depth ...

The Google Geocoding API - Google Maps API Web Services - Google Code

This document discusses the newest version of the Geocoding API (V3). Note that the legacy Geocoding API V2 has been deprecated. Users of that service should upgrade to this version. Looking to use this service in a JavaScript application? Check out the Geocoder class of the Google Maps API v3.

International address verification, validation, correction and deduplication with AddressDoctor

Whether you are in the hotel, online retail or postal services sector, we have the right solution for company-wide address quality. From our Web Service to our Software Library, we have the ideal product for correct addresses worldwide. AddressDoctor corrects addresses from all over the world.

Kred | We all have Kred somewhere

You need to be logged in to do this. You need a Twitter account to do this. Want to add Twitter account now? Extend your Free Trial a Day by publishing a link to a Result! Maximum number of extensions is 90 days.

Measure your internet marketing |

Free SEO tool that measures the marketing effectiveness of a website. Website Grader has graded over 3,000,000 sites and won numerous awards. Twitter Grader is a free tool for measuring the power, authority and reach of a Twitter user. How do you stack up on Twitter? NEW!

National Digital Forecast Database XML/SOAP Service - NOAA's National Weather Service

National Digital Forecast Database (NDFD) Extensible Markup Language (XML) is a service providing the public, government agencies, and commercial enterprises with data from the National Weather Service's (NWS) digital forecast database. This service, which is defined in a Service Description Document, provides NWS customers and partners the ability to request NDFD data over the internet and receive the information back in an XML format.

CrunchBase API

The CrunchBase API allows developers to access data from CrunchBase for use in their own applications. The API is free to use and does not require registration. Please check out the official CrunchBase API Google Group for developer documentation, examples, news, and support.

Email Marketing and Social Media Marketing Software - iContact

iContactPlus adds managed services and advanced solutions to iContact's email marketing platform - via dedicated account management, customized solutions and more. Learn more. iContact is your source for all things social. Save time by drafting, scheduling, posting, and tracking your social media messages, all from one convenient location. Learn more now.

bitly | shorten, share and track your links

bitly, shorten, share and track your links

GeoIQ — GeoIQ API Overview

GeoIQ is the engine that powers the GeoCommons Community. GeoIQ includes a full Application Programming Interface (API) that allows developers to build unique and powerful domain specific applications. The API provides capability for uploading and download data, searching for data and maps, building, embedding, and theming maps or charts, as well as general user, group, and permissions management.

Public Data Sets on Amazon Web Services (AWS)

Public Data Sets on AWS provides a centralized repository of public data sets that can be seamlessly integrated into AWS cloud-based applications. AWS is hosting the public data sets at no charge for the community, and like all AWS services, users pay only for the compute and storage they use for their own applications.

Real Estate Data, Mortgage Data, API - Zillow Developer Tools

The new Zillow API Network turns member sites into mini real estate portals by offering fresh and provocative real estate content to keep people coming back. The Zillow API Network is a free service. Network Member requirements are summarized below; for details please see our Terms of Use.

Come explore, discuss, meet others in the same field, and develop the data and apps in the community that you care about. Join in the discussions by going to communities below that interest you. First open source code released for the Open Government Platform delivered by the governments of India and the U.S.

ProgrammableWeb - Mashups, APIs, and the Web as Platform

NodeSummit, a two day conference in San Francisco, will discuss the transformative role Node.js is playing in both the future of computing and today's deployed systems. It's coming up on the 24th & 25th of January. As I anticipate this meeting of the minds, I've been searching out the experts.

Mashery API Network - Welcome to the Mashery API Network!

Sign In and discover new APIs from our open data commons of RESTful APIs or contributed from our open source I/O Docs GitHub Project API Explorer is a nifty blend of, "Let's get this party started!" and, "Slow down son, let's understand how this works." The performance and availability of an API is paramount.