GWOSC API

Return the full list of all parameter estimations from all pipelines for an event version.

GET /api/v2/event-versions/GW230721_222634-v1/parameters?format=api

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

{
    "next": null,
    "previous": null,
    "results_count": 2,
    "results_per_page": 20,
    "num_pages": 1,
    "page_number": 1,
    "results": [
        {
            "name": "GWTC-4.0_CWB_GW230721_222634",
            "description": "na",
            "date_added": "2025-08-26",
            "data_url": "",
            "pipeline": "CWB",
            "pipeline_type": "search",
            "waveform_family": "na",
            "is_preferred": false,
            "links": [],
            "parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 290.0,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 7.9,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.02,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                }
            ]
        },
        {
            "name": "GWTC-4.0_MBTA_GW230721_222634",
            "description": "na",
            "date_added": "2025-08-26",
            "data_url": "",
            "pipeline": "MBTA",
            "pipeline_type": "search",
            "waveform_family": "na",
            "is_preferred": false,
            "links": [],
            "parameters": [
                {
                    "name": "far",
                    "unit": "1/yr",
                    "description": "na",
                    "best": 4.1,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "network_matched_filter_snr",
                    "unit": "",
                    "description": "na",
                    "best": 7.6,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                },
                {
                    "name": "p_astro",
                    "unit": "",
                    "description": "na",
                    "best": 0.73,
                    "upper_error": null,
                    "lower_error": null,
                    "is_upper_limit": false,
                    "is_lower_limit": false
                }
            ]
        }
    ]
}

Parameter List