ToolAssay

Modular type scale

Modular type scale: sizes in px and rem for steps below and above a base size, by named ratio (major third, golden) or number.

Answeringour last check, 2026-10-21
1 of 1checks answered this week
833 msmedian answer time
$0.02listed price per call
$0.02price 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://css-design-calc.x402tookit.com/type-scale

CategoryEverything else
Provider hostcss-design-calc.x402tookit.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$0.02 833 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "base": 16,
    "down": 2,
    "ratio": "major-third",
    "up": 5
  },
  "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"
        },
        "queryParams": {
          "properties": {
            "base": {
              "description": "Base font size in px (step 0), for example 16",
              "type": "number"
            },
            "down": {
              "description": "Steps below the base, 0 to 6 (default 2)",
              "type": "integer"
            },
            "ratio": {
              "description": "Ratio name (minor-second, major-second, minor-third, major-third, perfect-fourth, augmented-fourth, perfect-fifth, minor-sixth, golden, major-sixth, minor-seventh, major-seventh, octave) or a number above 1 (default major-third = 1.25)",
              "type": "string"
            },
            "rootPx": {
              "description": "Root font size in px for rem output (default 16)",
              "type": "number"
            },
            "up": {
              "description": "Steps above the base, 0 to 12 (default 6)",
              "type": "integer"
            }
          },
          "required": [
            "base"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "asOf": {
              "type": [
                "null",
                "string"
              ]
            },
            "base": {
              "type": [
                "null",
                "number"
              ]
            },
            "customProperties": {
              "type": [
                "null",
                "string"
              ]
            },
            "degraded": {
              "type": [
                "boolean",
                "null"
              ]
            },
            "disclaimer": {
              "type": [
                "null",
                "string"
              ]
            },
            "notChecked": {
              "items": {
                "type": "string"
              },
              "type": [
                "array",
                "null"
              ]
            },
            "ratio": {
              "type": [
                "null",
                "number"
              ]
            },
            "ratioName": {
              "type": [
                "null",
                "string"
              ]
            },
            "reasons": {
              "items": {
                "type": "string"
              },
              "type": [
                "array",
                "null"
              ]
            },
            "rootPx": {
              "type": [
                "null",
                "number"
              ]
            },
            "source": {
              "type": [
                "null",
                "string"
              ]
            },
            "steps": {
              "items": {
                "properties": {
                  "css": {
                    "type": [
                      "null",
                      "string"
                    ]
                  },
                  "px": {
                    "type": [
                      "null",
                      "number"
                    ]
                  },
                  "rem": {
                    "type": [
                      "null",
                      "number"
                    ]
                  },
                  "step": {
                    "type": [
                      "null",
                      "number"
                    ]
                  }
                },
                "type": "object"
              },
              "type": [
                "array",
                "null"
              ]
            },
            "stepsAbove": {
              "type": [
                "null",
                "number"
              ]
            },
            "stepsBelow": {
              "type": [
                "null",
                "number"
              ]
            },
            "summary": {
              "type": [
                "null",
                "string"
              ]
            },
            "verdict": {
              "type": [
                "null",
                "string"
              ]
            }
          },
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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