 .. Licensed to the Apache Software Foundation (ASF) under one
    or more contributor license agreements.  See the NOTICE file
    distributed with this work for additional information
    regarding copyright ownership.  The ASF licenses this file
    to you under the Apache License, Version 2.0 (the
    "License"); you may not use this file except in compliance
    with the License.  You may obtain a copy of the License at

 ..   http://www.apache.org/licenses/LICENSE-2.0

 .. Unless required by applicable law or agreed to in writing,
    software distributed under the License is distributed on an
    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, either express or implied.  See the License for the
    specific language governing permissions and limitations
    under the License.

REST API Reference
==================

Airflow exposes an REST API. It is available through the webserver. Endpoints are
available at ``/api/experimental/``.

.. warning::

  The API structure is not stable. We expect the endpoint definitions to change.

Endpoints
---------

.. http:post:: /api/experimental/dags/<DAG_ID>/dag_runs

  Creates a dag_run for a given dag id.

  **Trigger DAG with config, example:**

  .. code-block:: bash

    curl -X POST \
      http://localhost:8080/api/experimental/dags/<DAG_ID>/dag_runs \
      -H 'Cache-Control: no-cache' \
      -H 'Content-Type: application/json' \
      -d '{"conf":"{\"key\":\"value\"}"}'


.. http:get:: /api/experimental/dags/<DAG_ID>/dag_runs

  Returns a list of Dag Runs for a specific DAG ID.


.. http:get:: /api/experimental/dags/<string:dag_id>/dag_runs/<string:execution_date>

  Returns a JSON with a dag_run's public instance variables. The format for the <string:execution_date> is expected to be "YYYY-mm-DDTHH:MM:SS", for example: "2016-11-16T11:34:15".


.. http:get:: /api/experimental/test

  To check REST API server correct work. Return status 'OK'.


.. http:get:: /api/experimental/dags/<DAG_ID>/tasks/<TASK_ID>

  Returns info for a task.


.. http:get:: /api/experimental/dags/<DAG_ID>/dag_runs/<string:execution_date>/tasks/<TASK_ID>

  Returns a JSON with a task instance's public instance variables. The format for the <string:execution_date> is expected to be "YYYY-mm-DDTHH:MM:SS", for example: "2016-11-16T11:34:15".


.. http:get:: /api/experimental/dags/<DAG_ID>/paused/<string:paused>

  '<string:paused>' must be a 'true' to pause a DAG and 'false' to unpause.


.. http:get:: /api/experimental/dags/<DAG_ID>/paused

  Returns the paused state of a DAG


.. http:get:: /api/experimental/latest_runs

  Returns the latest DagRun for each DAG formatted for the UI.


.. http:get:: /api/experimental/pools

  Get all pools.


.. http:get:: /api/experimental/pools/<string:name>

  Get pool by a given name.


.. http:post:: /api/experimental/pools

  Create a pool.


.. http:delete:: /api/experimental/pools/<string:name>

  Delete pool.