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/20240/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 20240,
    "uuid": "1873b605e2a74cac8b4f5d12593e54fc",
    "title": "INCOMPASS: radiosonde and in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "Radiosonde and in-situ airborne observations by the FAAM BAE-146 aircraft for Interaction of Convective Organization and Monsoon Precipitation, Atmosphere, Surface and Sea (INCOMPASS).",
    "keywords": "INCOMPASS, FAAM, airborne, atmospheric measurements, sa-monsoon",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2016-12-13T10:27:23",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20239/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20244/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20248/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20252/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20256/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20260/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20264/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20268/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20272/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20276/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20280/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20284/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20288/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20292/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20296/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20300/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20308/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20312/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20320/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25105/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27438/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31859/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/32232/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78704/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78696/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78697/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78703/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78695/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78700/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78701/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78702/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78698/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78699/?format=api"
    ]
}