API directory now includes
45 SEO APIs. The newest is the
SEOlytics API. The most popular, in terms of mashups, is the
Google AdSense API. We list
77 Google AdSense mashups. Below you’ll find some more stats from the directory, including the entire list of SEO APIs.


In terms of the technical details, REST and XML lead the way. There are
31 SEO REST APIs and
7 SEO SOAP APIs. Our directory lists
31 SEO XML APIs and
22 SEO JSON APIs.

The most common tags within SEO are
27 Internet SEO APIs,
10 search SEO APIs and
8 marketing SEO APIs.

On the mashup side, we list
14 SEO mashups. We named
Domlia as mashup of the day in June.
For reference, here is a list of all 45 SEO APIs.
AdGooroo API: Keyword search marketing platform
Alexa Top Sites API: Web site traffic rankings
Alexa Web Information Service API: Web site information and traffic data
Analytics SEO API: SEO optimization service
AuthorityLabs Account API: SEO Rank checking service
AuthorityLabs Partner API: SEO Rank checking service
BuiltWith API: Website information service
ComputerSniffer API: Web page ranking service
Daum Context Keyword API: Contextual keyword extraction service
Directory Maximizer Directory Submissions API: SEO Link Building Service
eCoComa Marketing API: Online marketing service
Examineurl Online Analysis API: Website analytics and Intenet tools service
Ginzametrics API: SEO service
Google AdSense API: Advertising management
HTTP Redirect Chain Enumerator API: Search Engine Optimization tool
Link Emperor API: SEO campaign management service
LinkTiger API: Link Checking Service
Majestic SEO Enterprise API: SEO intelligence service
Masspublisher API: Website and widget publishing and marketing service
PositionMonitor API: Keyword and rank monitor
Qirina API: Keyword analysis database
Raven SEO Tools API: Internet Marketing Tools
Raven Tools API: Search engine optimization services
Regator Semantic API: Content aggregator and analysis service
Scribe API: SEO improvement service
SEO Engine API: SEO improvement and implementation service
SEO metrics API: SEO metrics gathering service
SEOBudget API: Search engine promotion valuation service
SEOlytics API: SEO analytics software
SEOmoz API: Search engine optimization services
SEOshop WebshopApp API: Search engine optimized webshop service
SetLinks API: SEO link buying service
Twingly API: Blog Search Service
Unofficial Alexa Rank and Backlink API: Check the Alexa rank of any domain
UrlTrends API: Link tracking and search optimization
VeryRelated Mind Maps Keyword API: Keywords generation service
VideoBloom API: VideoBloom is a leader in end-to-end online video advertising and distribution solutions.
WebSEOAnalytics API: SEO analytics service
Wordpot API: Search engine optimization services
Wordsfinder Keywords Extractor API: SEO term extraction service
Wordstream Keyword Tool API: Keyword suggestion service
wrap.im API: Anonymous linking library
Yahoo Site Explorer API: Web site analysis service
zanox API: Internet monetization services
ZoomRank API: SEO rank monitoring service
Original post: http://blog.programmableweb.com/2012/10/09/45-seo-apis-google-adsense-alexa-and-yahoo-site-explorer/