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/8547/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 8547,
    "uuid": "42bcf75ae7f0b2a12d84dfa2216c31e5",
    "title": "Landmap: Features Earth Observation Collection",
    "abstract": "The Landmap project features data collection consists of building heights, classes of buildings (including place names) for the main conurbations of the UK, and Kinematic GPS (KGPS) data for over 6,400km of roads. The Joint Information Systems Committee (JISC) funded Landmap service which ran from 2001 to July 2014 collected and hosted a large amount of earth observation data for the majority of the UK. After removal of JISC funding in 2013, the Landmap service is no longer operational, with the data now held at the NEODC.",
    "keywords": "Landmap, Features, Building heights, classes",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2014-08-21T14:10:04",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/8548/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/8552/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/8556/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/8560/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/5475/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/33824/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/33826/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/33827/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/33828/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41870/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41871/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/46834/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/33825/?format=api"
    ]
}