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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: security captcha spam

Protocols: JavaScript, HTTP

Data Formats: TXT

API home: https://developers.google.com/recaptcha/intro

This is 1 of: 110 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 ]

Belmonte Online

Developers using reCAPTCHA[ Add me ]

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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