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/30334/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 30334,
    "uuid": "fffdb393206747c8bdc2f2613b1f0f5e",
    "title": "WCRP CMIP6: the NIMS-KMA team UKESM1-0-LL model output collection",
    "abstract": "The the NIMS-KMA team team consisted of the following agencies: National Institute of Meteorological Sciences (NIMS) and Korea Meteorological Administration (KMA).World Climate Research Programme (WCRP) Coupled Model Intercomparison Project Phase 6 (CMIP6): Collection of simulations from the the NIMS-KMA team UKESM1-0-LL model.\n\nThe official CMIP6 Citation, and its associated DOI, is provided as an online resource linked to this record.",
    "keywords": "CMIP6, WCRP, climate change, NIMS-KMA, UKESM1-0-LL",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30332/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30890/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/33499/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34551/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34554/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/38365/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/38368/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/38811/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/38814/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131140/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131148/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131149/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131150/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131151/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131143/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131145/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131147/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131141/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131146/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131144/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/131142/?format=api"
    ]
}