ToolAssay

Status board for 16 EVM chains in one call

Status board for 16 EVM chains in one call: latest block, head age, gas price and a health flag, with the slowest chain and the cheapest gas.

Answeringour last check, 2026-10-21
1 of 1checks answered this week
883 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/status-all

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$0.01 883 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": {
            "chains_answering": {
              "description": "chains that answered",
              "type": "number"
            },
            "chains_healthy": {
              "description": "chains with a head under 120 seconds old",
              "type": "number"
            },
            "chains_queried": {
              "description": "chains asked",
              "type": "number"
            },
            "cheapest_gas_chain": {
              "description": "chain with the lowest gas price in gwei",
              "type": [
                "string",
                "null"
              ]
            },
            "elapsed_ms": {
              "description": "total time for all chains",
              "type": "number"
            },
            "note": {
              "description": "plain-language reading of the result",
              "type": "string"
            },
            "results": {
              "description": "one entry per chain",
              "items": {
                "properties": {
                  "block_number": {
                    "description": "latest block height",
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "chain": {
                    "description": "chain name",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "gas_price_gwei": {
                    "description": "gas price in gwei",
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "head_age_seconds": {
                    "description": "age of the latest block",
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "healthy": {
                    "description": "true when head age is under 120 seconds",
                    "type": [
                      "boolean",
                      "null"
                    ]
                  },
                  "layer": {
                    "description": "L1 or L2",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "ok": {
                    "description": "false when the chain did not answer",
                    "type": [
                      "boolean",
                      "null"
                    ]
                  }
                },
                "type": "object"
              },
              "type": [
                "array",
                "null"
              ]
            },
            "slowest_head_chain": {
              "description": "chain with the oldest latest block",
              "type": [
                "string",
                "null"
              ]
            },
            "source": {
              "description": "where the data was read from or how it was computed",
              "type": "string"
            }
          },
          "required": [
            "chains_queried",
            "chains_answering",
            "chains_healthy",
            "results",
            "note",
            "source"
          ],
          "type": "object"
        },
        "type": {
          "const": "json",
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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