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/41667/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 41667,
    "uuid": "457a3c58a8f04b4d973e15708fe4e868",
    "title": "Department for Energy Security and Net Zero (DESNZ) Research",
    "abstract": "This data collection contains environmental datasets produced through research projects funded by the Department for Energy Security and Net Zero (DESNZ).",
    "keywords": "",
    "discoveryKeywords": [],
    "publicationState": "preview",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41421/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/203043/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/203044/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/203045/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/203046/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/203047/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/203048/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/203049/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/203050/?format=api"
    ]
}