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/29262/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 29262,
    "uuid": "388d8c06a1c8401480b38d400b333f96",
    "title": "WCRP CMIP6: Centro Euro-Mediterraneo per I Cambiamenti Climatici (CMCC) CMCC-CM2-VHR4 model output collection",
    "abstract": "World Climate Research Programme (WCRP) Coupled Model Intercomparison Project Phase 6 (CMIP6): Collection of simulations from the Centro Euro-Mediterraneo per I Cambiamenti Climatici (CMCC) CMCC-CM2-VHR4 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, CMCC, CMCC-CM2-VHR4",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29260/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31008/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31011/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34155/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34158/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/125195/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/125196/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/125197/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/125198/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/125199/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/125202/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/125203/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/125204/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/125201/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/125200/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/166099/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/166100/?format=api"
    ]
}