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/45082/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 45082,
    "uuid": "3d56835a52ff401b8445d60a1825ccd0",
    "title": "ESA Sea Ice Climate Change Initiative (Sea Ice CCI) Dataset Collection for Sea Ice Thickness v4.0 Products",
    "abstract": "Collection of Climate Data Records of Sea Ice Thickness v4.0 products as part of the ESA Sea Ice Climate Change Initiative (CCI) project.\r\n\r\nThe Sea Ice CCI is developing improved and validated timeseries of ice concentration for the Arctic and Antarctic and ice thickness datasets for the Arctic to support climate research and monitoring. Since sea ice is a sensitive climate indicator with large seasonal and regional variability, the climate research community require long-term and regular observations of the key ice parameters in both Arctic and Antarctic.",
    "keywords": "ESA, Sea Ice, CCI, ECV",
    "discoveryKeywords": [],
    "publicationState": "working",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44270/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44273/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44274/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44275/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44276/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44277/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44278/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44279/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44280/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44281/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44282/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44283/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44284/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44285/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44286/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44287/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44288/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44289/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/215766/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/215767/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/215768/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/215769/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/215771/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/215772/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/215773/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/215774/?format=api"
    ]
}