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/28586/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 28586,
    "uuid": "40d84aa46ed044cda4c1342c321f9d59",
    "title": "WCRP CMIP6: Meteorological Research Institute of the Japan Meteorological Agency (MRI) MRI-ESM2-0 model output collection",
    "abstract": "World Climate Research Programme (WCRP) Coupled Model Intercomparison Project Phase 6 (CMIP6): Collection of simulations from the Meteorological Research Institute of the Japan Meteorological Agency (MRI) MRI-ESM2-0 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, MRI, MRI-ESM2-0",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28584/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28588/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28591/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28594/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28597/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28600/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28603/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28777/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28780/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28783/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28786/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28789/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29100/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29103/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29106/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29209/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29212/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29215/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29218/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29221/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29252/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29473/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29602/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29605/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29608/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29611/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29614/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29617/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29777/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29780/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29783/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29786/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29789/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29792/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29795/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29798/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30422/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30425/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30428/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/30923/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/31501/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121389/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121390/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121391/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121392/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121393/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121396/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121397/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121398/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121395/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121394/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/165217/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/165218/?format=api"
    ]
}