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/30720/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 30720,
    "uuid": "1115547829c14ed79c627ac53f426732",
    "title": "WCRP CMIP6: the CSIRO-ARCCSS team ACCESS-CM2 model output collection",
    "abstract": "The the CSIRO-ARCCSS team team consisted of the following agencies: Commonwealth Scientific and Industrial Research Organisation (CSIRO) and ARCCSS (Australian Research Council Centre of Excellence for Climate System Science).World Climate Research Programme (WCRP) Coupled Model Intercomparison Project Phase 6 (CMIP6): Collection of simulations from the the CSIRO-ARCCSS team ACCESS-CM2 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, CSIRO-ARCCSS, ACCESS-CM2",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30718/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30722/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30725/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30728/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30731/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30944/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30947/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30950/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30953/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31352/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31355/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31358/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31361/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/33953/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/33956/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/33959/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34329/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34332/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34335/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34338/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34341/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133317/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133325/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133326/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133327/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133328/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133320/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133322/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133324/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133318/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133323/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133321/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133319/?format=api"
    ]
}