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Bevan Rudge, 2011-05-20 01:46
Adding link to Drupal Redmine API module

Redmine API

Redmine exposes some of its data through a REST API. This API provides access and basic CRUD operations (create, update, delete) for the resources described below.

API Description

Resource Status Notes Availability
Issues Beta Usable with some bugs and rough edges. 1.0
Projects Beta Usable with some bugs and rough edges. 1.0
Users Beta 1.1
TimeEntries Beta 1.1
News Prototype Prototype implementation for index only 1.1
Wiki Pages Planned 1.2

Status legend:

  • Stable - feature complete, no major changes planned
  • Beta - usable for integrations with some bugs or missing minor functionality
  • Alpha - major functionality in place, needs feedback from API users and integrators
  • Prototype - very rough implementation, possible major breaking changes mid-version. Not recommended for integration
  • Planned - planned in a future version, depending on developer availability

General topics


Most of the time, the API requires authentication. To enable the API-style authentication, you have to check Enable REST API in Administration -> Settings -> Authentication. Then, authentication can be done in 2 different ways:
  • using your regular login/password via HTTP Basic authentication.
  • using your API key which is a handy way to avoid putting a password in a script. The API key may be attached to each request as a "key" parameter or it may be passed in as a username with a random password. You can find your API key on your account page ( /my/account ) when logged in, on the right-hand pane of the default layout.

Collection resources and pagination

The response to a GET request on a collection ressources (eg. /issues.xml, /users.xml) generally won't return all the objets available in your database. Redmine 1.1.0 introduces a common way to query such ressources using the following parameters:

  • offset: the offset of the first object to retrieve
  • limit: the number of items to be present in the response (default is 25, maximum is 100)

Alternatively, you can use the page parameter, instead of offset, in conjunction with limit.


GET /issues.xml
=> returns the 25 first issues

GET /issues.xml?limit=100
=> returns the 100 first issues

GET /issues.xml?offset=30&limit=10
=> returns 10 issues from the 30th

GET /issues.xml?page=3&limit=10
=> same as above

Responses to GET requests on collection ressources provide information about the total object count available in Redmine and the offset/limit used for the response. Examples:

GET /issues.xml

<issues type="array" total_count="2595" limit="25" offset="0">
GET /issues.json

{ "issues":[...], "total_count":2595, "limit":25, "offset":0 }

Note: if you're using a REST client that does not support such top level attributes (total_count, limit, offset), you can set the nometa parameter or X-Redmine-Nometa HTTP header to 1 to get responses without them. Example:

GET /issues.xml?nometa=1

<issues type="array">

Fetching associated data

Since of 1.1.0, you have to explicitly specify the associations you want to be included in the query result by appending the include parameter to the query url :


To retrieve issue journals with its description :

GET /issues/296.xml?include=journals

  <journals type="array">

API Usage in various languages/tools

Updated by Bevan Rudge about 12 years ago · 37 revisions locked