Get a list of Collections objects. Collections have a 1:1 mapping with Observations.

### Available end points:

- `/observationcollections/` - Will list all Collections in the database
- `/observationcollections.json` - Will return all Collections in json format
- `/observationcollections/<object_id>/` - Returns Collections object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `uuid`
- `title`
- `keywords`
- `discoveryKeywords`
- `publicationState`

### How to use filters:

- `/observationcollections/?uuid=ab4ca8d019d148f78afba1cd20872bdd`

- `/observationcollections.json?publicationState=citable`

GET /api/v2/observationcollections/24918/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 24918,
    "uuid": "2d0118fccc86444f9bdb87d2dfce4a52",
    "title": "Poles Apart: Why has Antarctic sea ice increased and why don't coupled climate models reproduce observations",
    "abstract": "Datasets collected as part of the NERC project Poles Apart Why has Antarctic sea ice increased and why don't coupled climate models reproduce observations? (NE/K012150/1, NE/K011561/1).  \r\n\r\nThe aim of this project was to model atmospheric drivers of changes in surface wind forcing. The project began in June 2014 and completed at the end of June 2017.",
    "keywords": "Climate, Ozone, GHG, Aerosol, HadGEM3, UKCA",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2017-08-07T09:22:11",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24914/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101979/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101977/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101975/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101974/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101973/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101972/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101971/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105385/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101976/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/169542/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101978/?format=api"
    ]
}