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/16277/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 16277,
    "uuid": "a5015c985d4d40bea3c7a021a8f95db1",
    "title": "EXMIX: in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for EXMIX Project Details.",
    "keywords": "EXMIX, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2014-07-14T13:38:13",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16276/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16301/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17288/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17292/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17296/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62474/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62466/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62467/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62473/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62465/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62470/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62471/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62472/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62468/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/62469/?format=api"
    ]
}