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reCAPTCHA API

reCAPTCHA is a freely available CAPTCHA implementation. It distinguishes humans from computers. reCAPTCHA is a CAPTCHA program, used to distinguish humans from computers, that uses the answers provided by the user to help digitize scans of old books and newspapers.

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reCAPTCHA: Highlights

Summary
Security and Book Digitalization Service
Category
Security
Tags
Protocols
JavaScript, HTTP
Data Formats
TXT
API home
https://developers.google.com/recaptcha/intro 
This is 1 of
116 APIs by Google

reCAPTCHA: Specifications

Functionality

Client Install Required
 
Service Endpoint
http://www.google.com/recaptcha/api/verify

Signup and Licensing

Signup Requirements
API key  
Developer Key Required
Yes  
Account Required
Yes  
Commercial Licensing
 
Provider
www.google.com/recaptcha  
Company
Google  
Non-Commercial Lic.
 
Data Licensing
 
Usage Fees
 
Program Fees
 
Certification Program
 
Usage Limits
 
Terms of Service
www.google.com/recaptcha/terms 

Security

Authentication Model
API Key 
SSL Support
 
Read-only Without Login
 

Support

Vendor API Kits
 
Community API Kits
 
API Blog
 
Site Blog
blog.recaptcha.net/ 
API Forum
 
Developer Support
 
Console URL
 

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Mashups, Developers & Source Code

Mashups using reCAPTCHA[ Add a mashup ]

Developers using reCAPTCHA[ Add me ]

  • mediamogul

Source Code for reCAPTCHA[ Add a source code link ]

There are no source code libraries or how-to links for reCAPTCHA. If you know one why not add it?

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