GET
/
v1
/
metrics
/
base-fees
Base Fees
curl --request GET \
  --url https://api.blockworks.com/v1/metrics/base-fees \
  --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
    }
  ]
}

​
Overview

  • Unit: native units
  • Interval: daily
  • Source: Blockworks

​
Example Request

curl -H "x-api-key: YOUR_API_KEY" \
  "https://api.blockworks.com/v1/metrics/base-fees?project=base"

​
Example Response

{
  "base": [
    {
      "date": "2025-09-03",
      "value": 1.9897759085574547
    },
    {
      "date": "2025-09-04",
      "value": 3.6428247030972867
    },
    {
      "date": "2025-09-05",
      "value": 5.532678046411918
    },
    {
      "date": "2025-09-06",
      "value": 3.350181318972436
    },
    {
      "date": "2025-09-07",
      "value": 1.0841716591902273
    }
  ]
}

​
Notes

  • Intervals are daily unless otherwise noted.
  • Data is updated daily and may be revised after late-arriving data.
For fiat values, see Base Fees (USD).

Authorizations

​
x-api-key
string
header
required

Query Parameters

​
project
enum<string>
required

Project slug (comma-separated for multiple).

Available options:
arbitrum,
base,
ethereum,
solana
Example:

"arbitrum"

​
start_date
string<date>

Start date (YYYY-MM-DD)

​
end_date
string<date>

End date (YYYY-MM-DD)

Response

200
application/json

OK

The response is of type object.