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/856/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 856,
    "uuid": "3378c4a2059de4ca03dc397f057305fd",
    "title": "Climateprediction.net: collection of simulation outputs",
    "abstract": "The Climateprediction.net project is harnessing the spare CPU cycles of tens of thousands of individual users' PCs to run a massive ensemble of climate simulations using the Met Office's Unified Model. A multi-thousand member ensemble of simulation results from the perturbed physics climate sensitivity experiment is available for research purposes.",
    "keywords": "climateprediciton.net, climate, simulation",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2006-12-10T02:36:52",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/857/?format=api"
    ],
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/574/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/575/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/10302/?format=api"
    ],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/2779/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/2783/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/2781/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/2782/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/2785/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41711/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41714/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/2780/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50764/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41712/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/41713/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/169554/?format=api"
    ]
}