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/22787/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 22787,
    "uuid": "4c244a3540ec4a0d82dd9d89c344f20a",
    "title": "WCRP CMIP5: Beijing Climate Center (BCC) bcc-csm1-1-m model output collection",
    "abstract": "WCRP CMIP5: Beijing Climate Center (BCC) bcc-csm1-1-m model output collection.",
    "keywords": "CMIP5, WCRP, climate change, BCC, bcc-csm1-1-m, CMIP",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2017-03-17T14:06:45.512416",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22786/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22790/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22793/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22796/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22799/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22802/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22805/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22808/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22811/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22814/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22817/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/22820/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/91868/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/91861/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/91862/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/91863/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/91864/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/91860/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/91866/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/91867/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/91865/?format=api"
    ]
}