Api Endpoint

Saylor Innovations Coin & Denom

Coin and denomination reference - issuing countries, materials, designers and images (Wikidata)

Open interactive test console

Offering

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

Endpoint context

URL
https://saylorinnovations.com/api/numismatics/coin
MIME type
Not provided
First seen
2026-10-16T01:51:51.176Z
Last seen
Tags
numismatics, coins, Currency, wikidata

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
78 ms
Average latency
544 ms
HTTP status
402
Last checked
Reachability
100% over 10 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": {
        "name": {
          "description": "required coin or denomination name, 2-100 plain-text characters (query)",
          "type": "string"
        }
      },
      "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": {
            "name": {
              "description": "required coin or denomination name, 2-100 plain-text characters (query)",
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "alternate_matches": {
              "items": {
                "type": "object"
              },
              "type": "array"
            },
            "caveat": {
              "type": "string"
            },
            "countries": {
              "items": {
                "type": "string"
              },
              "type": "array"
            },
            "description": {
              "type": [
                "string",
                "null"
              ]
            },
            "designers": {
              "items": {
                "type": "string"
              },
              "type": "array"
            },
            "found": {
              "type": "boolean"
            },
            "image": {
              "type": [
                "string",
                "null"
              ]
            },
            "inception": {
              "type": [
                "string",
                "null"
              ]
            },
            "materials": {
              "items": {
                "type": "string"
              },
              "type": "array"
            },
            "name": {
              "type": "string"
            },
            "query": {
              "type": "string"
            },
            "source": {
              "type": "string"
            },
            "wikidata_id": {
              "type": "string"
            },
            "wikipedia": {
              "type": [
                "string",
                "null"
              ]
            }
          },
          "required": [
            "found",
            "name",
            "wikidata_id",
            "countries",
            "materials",
            "caveat"
          ],
          "type": "object"
        },
        "type": {
          "const": "json",
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}