Geophysical observation variables catalog from WMO OSCAR/Space

GET

/api/v1/environment/oscar-wmo/variables

Last modified:2026-05-10 09:22:39

Maintainer:Not configured

OperationId:environment_oscar_wmo_variables

Return a filtered page of the WMO OSCAR/Space observation variables catalog. The catalog covers 237 geophysical variables such as sea surface temperature, atmospheric temperature, aerosol optical depth, soil moisture, biomass, sea ice extent, cloud top height. A subset carry the GCOS Essential Climate Variable (ECV) flag. Each variable publishes the 5-step relative capability rating criteria and the list of instruments that measure it. Attribution: WMO OSCAR/Space (World Meteorological Organization).

Request

Authorization

API Key

Add parameter in header

x-api-key

Example:

x-api-key: ********************

Query Params

Header Params

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location '/api/v1/environment/oscar-wmo/variables?q=sea%20surface%20temperature&limit=100&offset=0' \
--header 'x-api-key: <api-key>'

Responses

🟢200

application/json

Paginated list of variable records matching the requested filters, with total and filtered counts.

Bodyapplication/json

Example

{
    "data": {
        "variables": [
            {
                "variable_id": 0,
                "slug": "string",
                "name": "string",
                "ecv_variable": true,
                "sorting_criteria": "string",
                "sorting_criteria_html": "string",
                "instruments": [
                    {
                        "instrument_id": 0,
                        "instrument_slug": "string",
                        "instrument_name": "string",
                        "instrument_fullname": "string",
                        "providing_agency": "string",
                        "capability_rating": "string"
                    }
                ]
            }
        ],
        "total": 0,
        "filtered": 0,
        "limit": 0,
        "offset": 0,
        "notes": "string"
    },
    "meta": {
        "endpoint": "/api/v1/fred/us/cpi",
        "data_time": "2026-04-16T14:30:00Z",
        "response_time": "2026-04-16T14:30:12Z",
        "provider": "Sugra API v1.0.1",
        "source": "string",
        "fallback_used": true,
        "fallback_chain": [
            "string"
        ],
        "cached": true
    }
}

🟠401

🟠422

🟠429

🔴503

Modified at 2026-05-10 09:22:39

Single instrument record from WMO OSCAR/Space

Single observation variable record from WMO OSCAR/Space