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/32603/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 32603,
    "uuid": "ea21f06880c345e0bba8862c03fdf54a",
    "title": "GRACES: Collection of remote sensing and surface observations",
    "abstract": "Collection of datasets produced by the NERC funded GRACES (G-band RAdar for Cloud and prEcipitation Studies) project and third-party datasets utilised by the project.\r\n\r\nIn addition to 3 GHz and 94 GHz radar data collected specifically for the GRACES project at the Chilbolton Atmospheric Observatory (CAO) the project made use of standard data products from a range of surface instrumentation from the CAO site. These were augmented with the use of data from the Met Office NIMROD rain radar network for specific case studies.",
    "keywords": "",
    "discoveryKeywords": [
        1142
    ],
    "publicationState": "published",
    "dataPublishedTime": "2023-09-12T13:38:01",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/3496/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/3500/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/3504/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/3531/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/3538/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/3546/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/5739/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/11021/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/12264/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13373/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/32605/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/145205/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/145206/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/145207/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/145208/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/145209/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/145210/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/145211/?format=api"
    ]
}