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/21275/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 21275,
    "uuid": "46be9daa3a9c4afabb62be75e6e44999",
    "title": "WCRP CMIP5: Canadian Centre for Climate Modelling and Analysis (CCCma) CanCM4 model output collection",
    "abstract": "WCRP CMIP5: Canadian Centre for Climate Modelling and Analysis (CCCma) CanCM4 model output collection.",
    "keywords": "CMIP5, WCRP, climate change, CCCma, CanCM4, CMIP",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2017-03-17T14:12:21.839349",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21274/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21278/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21281/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21284/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21287/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21290/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21293/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21296/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21299/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21302/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21305/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21308/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21311/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21314/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21317/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21320/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21323/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21326/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21329/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21332/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21335/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21338/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21341/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21344/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21347/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21350/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21353/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21356/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21359/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21362/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21365/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21368/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21371/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21374/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21377/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21380/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21383/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21386/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21389/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21392/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21395/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21398/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21401/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21404/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21407/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21410/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21413/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21416/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21419/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21422/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21425/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21428/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21431/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/21434/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/83802/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/83795/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/83796/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/83797/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/83798/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/83794/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/83800/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/83801/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/83799/?format=api"
    ]
}