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/20235/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 20235,
    "uuid": "c115c8f8693346bbbcad373348a32367",
    "title": "SWAAMI: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for South West Asian Aerosol Monsoon Interactions (SWAAMI).",
    "keywords": "SWAAMI, FAAM, airborne, atmospheric measurements, sa-monsoon",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2016-12-12T16:16:26",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20234/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20244/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20280/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20304/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20316/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/20320/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/27438/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78680/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78672/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78673/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78679/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78671/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78676/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78677/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78678/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78674/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78675/?format=api"
    ]
}