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/21884/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 21884,
    "uuid": "bf3c7e63092b45f2927e3e1d260c4f01",
    "title": "WCRP CMIP5: The MIROC team MIROC-ESM model output collection",
    "abstract": "WCRP CMIP5: The MIROC team MIROC-ESM model output collection.The MIROC team consisted of the following agencies: Japan Agency for Marine-Earth Science and Technology (JAMSTEC) and Centre for Climate System Research / National Institute for Environmental Studies, Japan.",
    "keywords": "CMIP5, WCRP, climate change, MIROC, MIROC-ESM, CMIP",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2013-11-21T13:53:36.514516",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21883/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21887/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21890/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21893/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21896/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21899/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21902/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21905/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21908/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21911/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21914/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21917/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21920/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21923/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21926/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21929/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21932/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87388/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87377/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87378/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87381/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87382/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87386/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87387/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87376/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87379/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87383/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87380/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87384/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/87385/?format=api"
    ]
}