Skip to main content
POST
/
api
/
v1
/
customer
/
{chain}
/
fee-history
/
filter
Filter Fee History
curl --request POST \
  --url https://api-gateway.sonarx.com/api/v1/customer/{chain}/fee-history/filter \
  --header 'Content-Type: application/json' \
  --header 'apikey: <api-key>' \
  --data '
{
  "from_block": 81901160,
  "to_block": 81901165
}
'
{
  "from_block": 81901160,
  "to_block": 81901165,
  "from_datetime": null,
  "to_datetime": null,
  "offset": 0,
  "limit": 10,
  "result": [
    {
      "block_number": 81901165,
      "timestamp": 1768922302,
      "datetime": "2026-01-20T15:18:22",
      "base_fee_per_gas": 600795160350,
      "gas_used": 39500751,
      "gas_limit": 65000000,
      "gas_used_ratio": 0.6077038615384616
    },
    {
      "block_number": 81901164,
      "timestamp": 1768922300,
      "datetime": "2026-01-20T15:18:20",
      "base_fee_per_gas": 602611448639,
      "gas_used": 34100066,
      "gas_limit": 65000000,
      "gas_used_ratio": 0.5246164
    }
  ],
  "count": 2
}
Range Filter Constraint: Use either block range (from_block/to_block) OR datetime range (from_datetime/to_datetime), but not both simultaneously. These filter pairs are mutually exclusive.

Authorizations

​
apikey
string
header
required

API key for authentication

Path Parameters

​
chain
enum<string>
required

The blockchain network to query

Available options:
polygon
Example:

"polygon"

Query Parameters

​
limit
integer
default:10

Maximum number of results (1-50)

Required range: 1 <= x <= 50
​
offset
integer
default:0

Number of results to skip for pagination

Required range: x >= 0

Body

application/json

Base filter request with range parameters. Validation rules: (1) Must provide either block range OR datetime range, not both and not neither. (2) When using block range, both from_block AND to_block are required. (3) When using datetime range, both from_datetime AND to_datetime are required. (4) to_block must be >= from_block. (5) to_datetime must be >= from_datetime. (6) Block range cannot exceed 100 blocks.

​
from_block
integer

Start block number. Required if using block range.

Required range: x >= 0
​
to_block
integer

End block number. Required if using block range. Must be >= from_block and within 100 blocks.

Required range: x >= 0
​
from_datetime
string<date-time>

Start datetime (ISO 8601, timezone required, e.g., 2024-01-15T10:30:00Z or 2024-01-15T10:30:00+00:00). Required if using datetime range.

​
to_datetime
string<date-time>

End datetime (ISO 8601, timezone required, e.g., 2024-01-15T10:30:00Z or 2024-01-15T10:30:00+00:00). Required if using datetime range. Must be >= from_datetime.

Response

Fee history data

​
from_block
integer | null
​
to_block
integer | null
​
from_datetime
string | null
​
to_datetime
string | null
​
offset
integer
​
limit
integer
​
result
object[]
​
count
integer