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/13340/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 13340,
    "uuid": "8e1662bfe93d4720adfcfd8925862bad",
    "title": "ESA Aerosol Climate Change Initiative (CCI) Dataset Collection",
    "abstract": "Datasets of aerosol products produced by the Aerosol project within the ESA Climate Change Initiative (CCI). \r\n\r\nThe primary products produced in the aerosol_cci project are level 2 (daily 10km and 50km pixel products) and level 3 (aggregated monthly gridded datasets) multi-spectral AOD and associated probabilities of pre-defined aerosol types for a number of European satellite instruments (ATSR-2, AATSR, MERIS, POLDER, GOME, SCIAMACHY, OMI, GOME-2, AVHRR/3); stratospheric aerosols are observed with GOMOS (and tested for SCIAMACHY).",
    "keywords": "ESA, Aerosol, CCI, ECV",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2015-12-18T06:30:04",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13304/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13305/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13308/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13310/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13312/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13314/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13316/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13318/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13320/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13322/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13326/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/13328/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19106/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19108/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19112/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19114/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19116/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19118/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19120/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19122/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19124/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19126/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19128/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19130/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19132/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19134/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19136/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19828/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/19831/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/54516/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50974/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50975/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105446/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50973/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50977/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105395/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/105422/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50976/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/50972/?format=api"
    ]
}