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/27293/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 27293,
    "uuid": "ab029e4d61e94aaba2ecbf40779ad42d",
    "title": "Southern OceaN optimal Approach To Assess the carbon state, variability and climatic drivers (SONATA):  Atmospheric carbon dioxide, oxygen and atmospheric potential oxygen",
    "abstract": "This dataset contains atmospheric carbon dioxide, oxygen and atmospheric potential oxygen data from the Southern OceaN optimal Approach To Assess the carbon state, variability and climatic drivers (SONATA) was funded by the Natural Environment Research Council (NERC, grant: NE/P021360/1).",
    "keywords": "SONATA, Carbon dioxide, SHIP, Oxygen, BAS, Antarctica, Halley",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2019-02-21T11:57:59",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26620/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27286/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27548/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/114132/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/114122/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/114123/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/114127/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/114128/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/114129/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/114121/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/114125/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168874/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/114133/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/114130/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/114131/?format=api"
    ]
}