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/24699/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 24699,
    "uuid": "81fb84c4b00640b7a3acb58346497977",
    "title": "ESA Antarctic Ice Sheet Climate Change Initiative (Antarctic_Ice_Sheet_cci) Dataset Collection",
    "abstract": "Collection of datasets from the European Space Agency's (ESA) Antarctic Ice Sheets Climate Change Initiative (CCI) project.  This is producing long term and reliable climate data records from satellite data for a number of Essential Climate Variables (ECV's) for Antarctica.  \r\n\r\nCurrent data products relate to Ice Velocities, Gravimetric Mass Balance, Grounding Line Locations and Surface Elevation Changes.",
    "keywords": "Antarctic, CCI, Ice Sheet",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19879/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24694/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/24695/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26543/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/32600/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/32601/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/32602/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/32692/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101130/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101131/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101132/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105406/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105411/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105436/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105460/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/101129/?format=api"
    ]
}