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/26049/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 26049,
    "uuid": "1cec31b7f73d429d8d273064d0a8f824",
    "title": "ODYSEA: Ocean Dynamics as Driver of Seasonal to Decadal European Atmospheric variability project data",
    "abstract": "A collection of data products produced by the NERC project ODYSEA: Ocean Dynamics as Driver of Seasonal to Decadal European Atmospheric variability.",
    "keywords": "NE/M006107/1, decadal European atmospheric variability",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2018-04-19T13:54:47",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26047/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109046/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109039/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109040/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109041/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109044/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109047/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109042/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109043/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/169541/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/109045/?format=api"
    ]
}