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/13034/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 13034,
    "uuid": "d7e02c75191a4515a28a208c8a069e70",
    "title": "UK ICE-D: atmospheric measurements dataset collection",
    "abstract": "This dataset collection holds datasets from the FAAM BAe-146 aircraft and ground-based measurements taken in Cape Verde off the coast of Senegal, Africa during 2015 and 2016 in support of the UK Ice in Clouds Experiment - Dust (UK ICE-D) project.",
    "keywords": "dust, convective clouds, aerosol, cloud droplets, supercooled raindrops, ice particles, cloud condensation nuclie",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2015-10-16T13:01:46",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15560/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/15569/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16049/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/16224/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17619/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17623/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17627/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/17631/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18639/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18651/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18655/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18659/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18667/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18671/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18675/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/18679/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25109/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102922/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/72499/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/72498/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102924/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/49921/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102920/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102921/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102923/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/49920/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/111858/?format=api"
    ]
}