ToolAssay

Load the full page and measure time-to-first-byte, total load time, and download

Load the full page and measure time-to-first-byte, total load time, and downloaded size (capped at 5 MB). Use to gauge front-end performance before crawling, embedding, or depending on a page.

Answeringour last check, 2026-09-24
1 of 1checks answered this week
644 msmedian answer time
$0.03listed price per call
$0.03price 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

POST https://x402.cloudpulsepoint.com/agent/check/perf

CategoryEverything else
Provider hostx402.cloudpulsepoint.com
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days16 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-09-24 valid payment request 402$0.03 644 ms

Example input (from the provider)

{
  "body": {
    "url": "https://example.com"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {
            "url": {
              "description": "Full http(s) URL of the site to check, e.g. \"https://example.com\". Must resolve to a public address \u2014 private, loopback, link-local, and cloud-metadata targets are rejected with HTTP 400 before any payment.",
              "type": "string"
            }
          },
          "required": [
            "url"
          ]
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "check": {
              "const": "perf",
              "description": "Identifies which check produced this result."
            },
            "network": {
              "description": "CAIP-2 id of the chain the payment settled on (e.g. eip155:8453 = Base).",
              "type": "string"
            },
            "result": {
              "properties": {
                "contentSize": {
                  "description": "Bytes downloaded (capped at 5,242,880 = 5 MB).",
                  "type": [
                    "integer",
                    "null"
                  ]
                },
                "error": {
                  "description": "Human-readable failure reason, or null on success.",
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "loadTimeMs": {
                  "description": "Total time to download the page body (up to the 5 MB cap), in milliseconds.",
                  "type": [
                    "integer",
                    "null"
                  ]
                },
                "status": {
                  "description": "UP = loaded within threshold; WARN = slow (over the load-time threshold); DOWN = failed or timed out.",
                  "enum": [
                    "UP",
                    "WARN",
                    "DOWN"
                  ],
                  "type": "string"
                },
                "ttfbMs": {
                  "description": "Time to first byte, in milliseconds.",
                  "type": [
                    "integer",
                    "null"
                  ]
                },
                "url": {
                  "description": "The normalized URL that was checked.",
                  "type": "string"
                },
                "warning": {
                  "description": "Human-readable warning when the check passed but a threshold was crossed, else null.",
                  "type": [
                    "string",
                    "null"
                  ]
                }
              },
              "type": "object"
            }
          },
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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