Release: Amazon Mechanical Turk on 2007-03-20

Release Notes>Amazon Mechanical Turk>Release: Amazon Mechanical Turk on 2007 03 20
This release of the Amazon Mechanical Turk includes a new version of the API, known as "2007-03-12," with a new feature that lets you configure the number of assignments a Worker can accept for your HITs.


Submitted By: cheriaws
Created On: March 8, 2007 11:49 PM GMT
Last Updated: March 20, 2007 9:56 PM GMT
Release Date: 2007-03-20
Latest WSDL/API Version: 2007-03-12


New Features

Feature Description
New API version The latest version of the Mechanical Turk Requester Service API is: 2007-03-12

To use the new API, make sure your application is specifying the API version in each request: SOAP users, upgrade your application to the latest WSDL. REST users, specify the Version parameter with a value of 2007-03-12 with each request, and use the latest schema. See the Developer Guide for more information.
Configure how many assignments a Worker can accept You can now configure how many assignments a Worker can accept for your HITs using the SetWorkerAcceptLimit API. You can set an accept limit for all of your HITs or just for a particular HIT type.

Resolved Issues

Issue Description
Binary element in the QuestionForm cannot take in an HTTPS address. In the Binary element of the QuestionForm data structure, the DataURL element can now take in an HTTPS address.
Documentation error for the GrantBonus API. The GrantBonus API has a required parameter called reason. The reason parameter was incorrectly documented as optional in prior versions of the technical documentation. This error has now been corrected.
Documentation error for the Notification Reception API. Prior documentation since the 2006-06-20 release had an incorrect link and version for the notification WSDL in the Notification Reception API section under Operations. The technical documentation has been updated to include the correct link and version.

Known Issues

Issue Description
Cannot disable retry delay for a Qualification type once enabled. There is currently no way to disable the ability to re-request a Qualification if the Qualification type allows retries. This release introduces the ability to add a retry delay to a type that doesn't have one, or modify the delay if it does. Once a type has a retry delay, then retries are permanently enabled for the type.
Cannot remove a test from a Qualification type. There is currently no way to remove a Qualification test from a Qualification type that has one. This release introduces the ability to configure a Qualification type to automatically approve Qualification requests instead of using a Qualification test. Because tests cannot be removed from an existing type, a Qualification type with a test cannot be re-configured to use the auto-approval feature.
SearchHITs can include duplicate HITs in results. The SearchHITs API may return a HIT more than once in the results if there are more than 100 active HITs created by the caller.

If you have any questions or information regarding a potential bug, please let us know using the "Contact Us" form on the Requester web site. Visit, select "FAQ" from the upper right-hand corner, and then select "ContactUs."

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