Index onlineMerchant portal
Api Endpoint

Saylor Innovations Data Desk

Polish zloty exchange rate and gold price - NBP daily mid rate for USD, EUR, GBP and others with recent history, plus gold per gram

Open interactive test console

Offering

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

Endpoint context

URL
https://saylorinnovations.com/api/fx/poland
MIME type
Not provided
First seen
2026-10-16T01:59:13.392Z
Last seen
Tags
polish zloty exchange rate, usd pln, eur pln, nbp rates, gold price poland

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
542 ms
Average latency
1006 ms
HTTP status
402
Last checked
Reachability
100% over 6 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": {
        "currency": {
          "description": "optional three-letter currency code, default USD",
          "type": "string"
        },
        "days": {
          "description": "optional recent days 1-60 (default 10)",
          "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": {
            "currency": {
              "description": "optional three-letter currency code, default USD",
              "type": "string"
            },
            "days": {
              "description": "optional recent days 1-60 (default 10)",
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "change_vs_prior_day_pct": {
              "description": "Change vs prior day, as a percentage",
              "type": [
                "number",
                "null"
              ]
            },
            "currency": {
              "description": "Currency code",
              "type": "string"
            },
            "currency_name": {
              "description": "Currency name",
              "type": [
                "string",
                "null"
              ]
            },
            "gold_price_pln_per_gram": {
              "description": "Gold price pln per gram",
              "type": [
                "object",
                "null"
              ]
            },
            "latest": {
              "description": "Most recent value or version",
              "type": "object"
            },
            "note": {
              "description": "Caveat or context for reading the result",
              "type": "string"
            },
            "rates": {
              "description": "Rates keyed by code",
              "type": "array"
            },
            "source": {
              "description": "Data source the values come from",
              "type": "string"
            }
          },
          "required": [
            "currency",
            "latest"
          ],
          "type": "object"
        },
        "type": {
          "const": "json",
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}