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/41163/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 41163,
    "uuid": "dd0d8d4051684412b54d188ca1d4970f",
    "title": "PTECE : in-situ airborne observations by the FAAM BAE-146 aircraft",
    "abstract": "In-situ airborne observations by the FAAM BAE-146 aircraft for PTECE  FAAM Aircraft Project.",
    "keywords": "PTECE ,  AEOG-4, FAAM, airborne, atmospheric measurments",
    "discoveryKeywords": [],
    "publicationState": "preview",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41115/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41132/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41140/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41148/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41156/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/41162/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/200182/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/200183/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/200184/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/200185/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/200186/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/200187/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/200188/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/200189/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/200190/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/200191/?format=api"
    ]
}