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/28609/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 28609,
    "uuid": "7dcfc1657ae14e3d959e578c40ebe771",
    "title": "WCRP CMIP6: NASA Goddard Institute for Space Studies (NASA GISS) GISS-E2-1-G model output collection",
    "abstract": "World Climate Research Programme (WCRP) Coupled Model Intercomparison Project Phase 6 (CMIP6): Collection of simulations from the NASA Goddard Institute for Space Studies (NASA GISS) GISS-E2-1-G model.\n\nThe official CMIP6 Citation, and its associated DOI, is provided as an online resource linked to this record.",
    "keywords": "CMIP6, WCRP, climate change, NASA-GISS, GISS-E2-1-G",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28607/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28611/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28792/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28795/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28801/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28804/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29109/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29112/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29115/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29118/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29121/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29339/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29390/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29476/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29479/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30431/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30434/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31188/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31191/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31194/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31197/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31201/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31439/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31442/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31445/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31448/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31535/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34401/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34404/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34407/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34410/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34542/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34545/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/39928/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44392/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44468/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121517/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121518/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121519/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121520/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121521/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121524/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121525/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121526/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121523/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121522/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/165249/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/165250/?format=api"
    ]
}