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Api Endpoint

Saylor Innovations Dev Tools

Speed converter - convert between mph, km/h, m/s, knots and ft/s with all equivalents

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Offering

Provider
saylorinnovations.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
General Utilities
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://saylorinnovations.com/api/convert/speed
MIME type
Not provided
First seen
2026-10-16T01:51:51.176Z
Last seen
Tags
convert, speed, calculator

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.01 USDC
Atomic price: 10000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7"
  }
]

Observed health

Status
Healthy
Latest latency
102 ms
Average latency
280 ms
HTTP status
402
Last checked
Reachability
100% over 5 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "method": {
      "enum": [
        "GET",
        "POST",
        "PUT",
        "PATCH",
        "DELETE",
        "HEAD"
      ],
      "type": "string"
    },
    "queryParams": {
      "properties": {
        "from": {
          "description": "Unit to convert from",
          "type": "string"
        },
        "to": {
          "description": "Unit to convert to",
          "type": "string"
        },
        "value": {
          "description": "Number to convert",
          "type": "string"
        }
      },
      "required": [
        "value",
        "from",
        "to"
      ],
      "type": "object"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method"
  ],
  "type": "object"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "POST",
            "PUT",
            "PATCH",
            "DELETE",
            "HEAD"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "from": {
              "description": "Unit to convert from",
              "type": "string"
            },
            "to": {
              "description": "Unit to convert to",
              "type": "string"
            },
            "value": {
              "description": "Number to convert",
              "type": "string"
            }
          },
          "required": [
            "value",
            "from",
            "to"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "category": {
              "description": "Category",
              "type": "string"
            },
            "checked_at": {
              "description": "Time the check was run (UTC)",
              "type": [
                "string",
                "null"
              ]
            },
            "equivalents": {
              "description": "Equivalent values in other units",
              "type": "object"
            },
            "formula": {
              "description": "Formula used for the calculation",
              "type": "string"
            },
            "from": {
              "description": "Start of the range",
              "type": "string"
            },
            "result": {
              "description": "Result of the operation",
              "type": "number"
            },
            "to": {
              "description": "End of the range",
              "type": "string"
            },
            "units": {
              "description": "Units of measure",
              "items": {
                "type": "string"
              },
              "type": "array"
            },
            "value": {
              "description": "Value of the requested item",
              "type": "number"
            }
          },
          "required": [
            "result",
            "from",
            "to"
          ],
          "type": "object"
        },
        "type": {
          "const": "json",
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}