An OP Stack fee meant to estimate the costs associated with posting data to the L1 that is attributed to the user’s transaction fee
cURL
curl --request GET \ --url https://api.blockworks.com/v1/metrics/transaction-l1-fee-total-native \ --header 'x-api-key: <api-key>'
{ "projectName": [ { "date": "2025-08-10", "value": 123456.789 }, { "date": "2025-08-11", "value": 234567.89 }, { "date": "2025-08-12", "value": 345678.901 } ] }
curl -H "x-api-key: YOUR_API_KEY" \ "https://api.blockworks.com/v1/metrics/transaction-l1-fee-total-native?project=katana"
{ "katana": [ { "date": "2025-11-18", "value": 0.009082805157716908 }, { "date": "2025-11-17", "value": 0.00018293696511630705 }, { "date": "2025-11-16", "value": 0.00004626577649967401 }, { "date": "2025-11-15", "value": 0.000012255268668283998 }, { "date": "2025-11-14", "value": 0.00022418096047398096 } ] }
Project slug (comma-separated for multiple).
katana
"katana"
Start date (YYYY-MM-DD)
End date (YYYY-MM-DD)
OK