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/28643/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 28643,
    "uuid": "7e0da77bd086457890820aa3411e63b2",
    "title": "WCRP CMIP6: Beijing Climate Center (BCC) BCC-CSM2-MR model output collection",
    "abstract": "World Climate Research Programme (WCRP) Coupled Model Intercomparison Project Phase 6 (CMIP6): Collection of simulations from the Beijing Climate Center (BCC) BCC-CSM2-MR 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, BCC, BCC-CSM2-MR",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28641/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28645/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28648/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28651/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28866/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28869/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28872/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28875/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28879/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28882/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28900/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28903/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/28906/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29001/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29004/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29007/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29234/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29237/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29240/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29348/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29351/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29354/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29357/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29360/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29625/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29628/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29631/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29634/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29887/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/38528/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121697/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121698/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121699/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121700/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121701/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121704/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121705/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121706/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121703/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/121702/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/165293/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/165294/?format=api"
    ]
}