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/26018/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 26018,
    "uuid": "5fcae68057ea43259d0a4530d34e4ba5",
    "title": "UKCP18 Simulations of Sea Surface Elevation for UK Waters",
    "abstract": "Historical and future simulations of sea surface elevation for UK waters for 1970-2100 produced by the Met Office for UK Climate Projections 2018 (UKCP2018). The data is available at hourly temporal resolution.",
    "keywords": "UKCP18, UKCP, Climate, Marine, Simulations, Historical, Projections",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2018-11-26T09:00:00",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26016/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26017/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/108813/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/108811/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/108812/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/108814/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/108816/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/108817/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/112313/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/108810/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/112311/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/108815/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/112312/?format=api"
    ]
}