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/28636/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 28636,
    "uuid": "bb0886963981420d8f673b1886173f24",
    "title": "WCRP CMIP6: Geophysical Fluid Dynamics Laboratory (GFDL) GFDL-CM4 model output collection",
    "abstract": "World Climate Research Programme (WCRP) Coupled Model Intercomparison Project Phase 6 (CMIP6): Collection of simulations from the Geophysical Fluid Dynamics Laboratory (GFDL) GFDL-CM4 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, NOAA-GFDL, GFDL-CM4",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28634/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28638/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28885/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28888/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28891/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28894/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28897/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28967/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28970/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28973/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28976/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28979/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29428/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29620/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29622/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29824/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29827/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29854/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30468/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30471/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30474/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31253/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31256/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31259/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/33980/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/34425/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/44430/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121655/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121656/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121657/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121658/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121659/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121662/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121663/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121664/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121661/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121660/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/165283/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/165284/?format=api"
    ]
}