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/26630/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 26630,
    "uuid": "e302b4dd46f54dd5b2dceb374f390c4a",
    "title": "CMORPH precipitation estimates",
    "abstract": "This dataset collection contains 0.25 degree resolution 3-hourly and daily global Climate Prediction Center morphing method (CMORPH) precipitation data. CMORPH is the CPC Morphing technique which derives precipitation estimates from low orbiter satellite microwave observations.",
    "keywords": "CMORPH, rainfall, precipitation",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2018-10-12T16:05:19",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26527/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26628/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/111903/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/111905/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/111906/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/111908/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/111909/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/111904/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/204918/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/132768/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/111907/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168850/?format=api"
    ]
}