ToolAssay

Ethereum blob fee

Ethereum blob fee: EIP-4844 blob base fee in wei and gwei, cost of one and six blobs in ETH, blobs in the latest block and whether fees are rising.

Answeringour last check, 2026-10-21
1 of 1checks answered this week
822 msmedian answer time
$0.01listed price per call
$0.01price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://saylorinnovations.com/api/chain/blob-fee

CategoryMarket data
Provider hostsaylorinnovations.com
Networkseip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-10-21 valid payment request 402$0.01 822 ms

Example input (from the provider)

{
  "method": "GET",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "blob_base_fee_gwei": {
              "description": "blob base fee in gwei",
              "type": "number"
            },
            "blob_base_fee_wei": {
              "description": "blob base fee in wei, as a string",
              "type": "string"
            },
            "blob_gas_used_latest": {
              "description": "blob gas used by the latest block",
              "type": [
                "number",
                "null"
              ]
            },
            "blob_target_per_block": {
              "description": "target blobs per block used for the pressure label",
              "type": "number"
            },
            "blobs_in_latest_block": {
              "description": "blobs used by the latest block",
              "type": [
                "number",
                "null"
              ]
            },
            "chain": {
              "description": "the chain name that was queried",
              "type": "string"
            },
            "chain_id": {
              "description": "EIP-155 chain id of that network",
              "type": "number"
            },
            "cost_of_one_blob_eth": {
              "description": "cost of one blob (131,072 blob gas) in ETH",
              "type": "number"
            },
            "cost_of_six_blobs_eth": {
              "description": "cost of six blobs in ETH",
              "type": "number"
            },
            "excess_blob_gas": {
              "description": "excess blob gas carried in the latest header",
              "type": [
                "number",
                "null"
              ]
            },
            "execution_gas_price_gwei": {
              "description": "normal gas price, gwei",
              "type": [
                "number",
                "null"
              ]
            },
            "latest_block": {
              "description": "latest block number",
              "type": [
                "number",
                "null"
              ]
            },
            "note": {
              "description": "plain-language reading of the result, including units",
              "type": "string"
            },
            "pressure": {
              "description": "whether blob demand is above or below target",
              "type": [
                "string",
                "null"
              ]
            },
            "source": {
              "description": "where the data was read from",
              "type": "string"
            }
          },
          "required": [
            "chain",
            "chain_id",
            "blob_base_fee_wei",
            "blob_base_fee_gwei",
            "cost_of_one_blob_eth",
            "note",
            "source"
          ],
          "type": "object"
        },
        "type": {
          "const": "json",
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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