Yahoo! Contacts API
The Yahoo! Contacts API is a member of the YOS Social family of APIs that enables your application to leverage the social relationships that exist in the Yahoo! Address Book. With this API, you will be able to create mailing lists for invitations, look up specific addresses to assist with communications such as email, instant messaging, SMS or even plain old postal mail. With the Contacts API you'll be able to help users leverage the relationships they've already built in a manner that respects user privacy and permissions.
How Do I Get Started?
- Get an API Key
- Read the online documentation
- Learn about OAuth
- Get our PHP SDK or Flash SDK (optional)
Using the API or Web Service
Overview
Typical uses of the Yahoo! Contacts API include e-mail address and contact look up, social network invitations, phone number look up for mobile messaging and postal addressees for shopping and photo sharing services.
The Contacts API enables you to construct a search and return contact records that match a certain set of criteria based on attribute values.
Flash Support
Build Yahoo! Social Applications with Flash. Learn more.
Support and Community
Questions and suggestions on the Contacts API are discussed on the Yahoo! Contacts Developer Community forum. If you have questions or need technical support, please use this forum.
Rate Limits
The Contacts API service is limited to 5,000 queries per IP per day.
Terms of Use
Use of the Yahoo! Contacts API is governed by the Yahoo! APIs Terms of Use.
What Kind of Application Are You Building?
Open Apps
Write applications that can be added to a wide range of Yahoo! Network pages.
Web/Client Apps
Choose this option if you're integrating Yahoo! APIs with your own web application or client application.
Yahoo! Forum Discussions
view all
Mon, 29 Jun 2009
Fetching the user's own email address with Yahoo! Contacts API (the OAuth one)
Fri, 26 Jun 2009
Mon, 22 Jun 2009
.NET SDK for OAuth and Contacts API
Thu, 18 Jun 2009