Observation Collection Instance – Django REST framework

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/45846/?format=api

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 45846,
    "uuid": "a41bd9968f684eebb978af872a4f1c6e",
    "title": "ESA Water Vapour Climate Change Initiative (Water_Vapour_cci):   Total Column Water Vapour over land (CDR1), v4.2",
    "abstract": "This collection of data comprises an updated version of the European Space Agency (ESA) Water Vapour Climate Change Initiative (Water Vapour_cci) Total Column Water Vapour over land, Climate Data Record 1 (TCWV-land (CDR1)).   It comprises four datasets providing daily and monthly averages at 0.5 and 0.05 degree resolution respectively.\r\n\r\nThis is an updated version of the previous v3.2 version.",
    "keywords": "total column, water vapour, cci",
    "discoveryKeywords": [],
    "publicationState": "published",
    "dataPublishedTime": "2026-05-14T07:54:31",
    "doiPublishedTime": null,
    "member": [
        "https://catalogue.ceda.ac.uk/api/v2/observations/45793/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/observations/45794/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/observations/45847/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/observations/45848/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219132/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219131/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219133/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219134/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219135/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219136/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219137/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219138/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219140/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219139/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219382/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219383/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219141/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219142/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219143/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219144/?format=api"
    ]
}