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/30745/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 30745,
    "uuid": "80890e9046994ad099af30a45a3c7031",
    "title": "WCRP CMIP6: the FIO-QLNM team FIO-ESM-2-0 model output collection",
    "abstract": "The the FIO-QLNM team team consisted of the following agencies: The First Institute of Oceanography (FIO) and Qingdao National Laboratory for Marine Science and Technology (QNLM).World Climate Research Programme (WCRP) Coupled Model Intercomparison Project Phase 6 (CMIP6): Collection of simulations from the the FIO-QLNM team FIO-ESM-2-0 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, FIO-QLNM, FIO-ESM-2-0",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30743/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30747/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31385/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31388/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31391/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/33822/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/33825/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/33828/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34275/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133612/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133620/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133621/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133622/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133623/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133615/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133617/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133619/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133613/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133618/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133616/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/133614/?format=api"
    ]
}