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/43293/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 43293,
    "uuid": "282e89e1582841b082fb5111d0618f77",
    "title": "ESA Sea Surface Salinity Climate Change Initiative (Sea_Surface_Salinity_cci): Sea surface salinity products from C-band, v1.0",
    "abstract": "The European Space Agency (ESA) Sea Surface Salinity Climate Change Initiative (CCI) consortium has produced  Sea Surface Salinity maps from C-band SAR data over 4 geographic regions....",
    "keywords": "ESA, Sea Surface Salinity, CCI",
    "discoveryKeywords": [],
    "publicationState": "preview",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/43294/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/43553/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/43554/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/43555/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206092/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206096/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206095/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206091/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206094/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206093/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206098/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206097/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206100/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206099/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206101/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206102/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206103/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206104/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206105/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206106/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206107/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206108/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206109/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206110/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206111/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206112/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206113/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206114/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206115/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206116/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206117/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206118/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206119/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206120/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206121/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/206122/?format=api"
    ]
}