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/33859/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 33859,
    "uuid": "3030e41d2a5b4d0cb2492c007df4ea03",
    "title": "WCRP CMIP6: the MIROC team MIROC-ES2H model output collection",
    "abstract": "The the MIROC team team consisted of the following agencies: Atmosphere and Ocean Research Institute (AORI), Centre for Climate System Research - National Institute for Environmental Studies (CCSR-NIES) and Atmosphere and Ocean Research Institute (AORI).World Climate Research Programme (WCRP) Coupled Model Intercomparison Project Phase 6 (CMIP6): Collection of simulations from the the MIROC team MIROC-ES2H 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, MIROC, MIROC-ES2H",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/33857/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40291/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/40294/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155222/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155216/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155224/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155217/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155218/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155219/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155215/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155214/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155225/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155220/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155223/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/155221/?format=api"
    ]
}