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/38971/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 38971,
    "uuid": "fe0b7703520346ab98983d898684c897",
    "title": "PRIMAVERA: Centro Euro-Mediterraneo per I Cambiamenti Climatici (CMCC) CMCC-CM2-VHR4 model output collection",
    "abstract": "PRIMAVERA Project : Collection of simulations from the Centro Euro-Mediterraneo per I Cambiamenti Climatici (CMCC) CMCC-CM2-VHR4 model.",
    "keywords": "PRIMAVERA, HighResMIP, climate change, CMCC, CMCC-CM2-VHR4",
    "discoveryKeywords": [],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/38969/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/38972/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/38974/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/38976/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/38978/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/187413/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/187406/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/187407/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/187408/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/187409/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/187410/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/187405/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/187412/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/187411/?format=api"
    ]
}