NBP Exchange Rate History for a Currency (National Bank of Poland)

nbp/rate-history

The most recent daily exchange rates NBP (Narodowy Bank Polski, the National Bank of Poland) has published for one currency, oldest first, in Polish zloty (PLN) per unit: mid rates from table a or b, or buy and sell rates from table c. You choose how many of the latest quotations, 1 to 255. Each entry has its table number and publication date; quotations exist for business days only. Currency names come back in Polish. National Bank of Poland data as served by Eden Engine, not an official NBP product.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $5.

Data source

Narodowy Bank Polski (National Bank of Poland)

Data from Narodowy Bank Polski (National Bank of Poland), published through its NBP Web API at api.nbp.pl. No attribution requirement was found in the material reviewed; credit offered as a courtesy: Source: Narodowy Bank Polski (api.nbp.pl). Served by Eden Engine; not an official NBP product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

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agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "nbp/rate-history" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "nbp/rate-history" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "nbp/rate-history", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "nbp/rate-history", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

Not connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.

Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0026

Updated: Oct 20, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "required": [
    "code",
    "count"
  ],
  "properties": {
    "code": {
      "type": "string",
      "pattern": "^[A-Za-z]{3}$",
      "description": "Three-letter ISO 4217 currency code, for example USD or EUR. Must appear in the chosen table."
    },
    "count": {
      "type": "integer",
      "maximum": 255,
      "minimum": 1,
      "description": "How many of the most recent daily quotations to return, 1 to 255. Required."
    },
    "table": {
      "type": "string",
      "default": "a",
      "pattern": "^[abcABC]$",
      "description": "NBP table: a is the table of mid rates of major currencies, b the table of mid rates of other currencies, c the table of buy and sell rates. Defaults to a."
    }
  },
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "table",
    "currency",
    "code",
    "rates"
  ],
  "properties": {
    "code": {
      "type": "string",
      "description": "Currency code."
    },
    "rates": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "no",
          "effectiveDate"
        ],
        "properties": {
          "no": {
            "type": "string",
            "description": "Table number, for example 203/A/NBP/2026."
          },
          "ask": {
            "type": "number",
            "description": "Sell rate in PLN. Table c only."
          },
          "bid": {
            "type": "number",
            "description": "Buy rate in PLN. Table c only."
          },
          "mid": {
            "type": "number",
            "description": "Mid rate in PLN per unit of the currency. Tables a and b."
          },
          "tradingDate": {
            "type": "string",
            "description": "Trading date, YYYY-MM-DD. Table c only."
          },
          "effectiveDate": {
            "type": "string",
            "description": "Publication date, YYYY-MM-DD."
          }
        },
        "additionalProperties": true
      },
      "description": "The latest quotations, one entry each, oldest first."
    },
    "table": {
      "type": "string",
      "description": "Table letter, for example A."
    },
    "currency": {
      "type": "string",
      "description": "Currency name as NBP publishes it, in Polish, for example dolar amerykański."
    }
  },
  "description": "The currency and its recent rates, oldest first.",
  "additionalProperties": true
}