Polish VAT Taxpayer Register Entry by NIP (Biała Lista VAT)

plvatwhitelist/taxpayer

The Polish VAT taxpayer register entry for one NIP on one date: legal name, VAT status (Czynny active, Zwolniony exempt, or not registered), REGON, KRS, registered address, registration and removal dates, and the registered bank accounts. Use it to verify a Polish counterparty. Dates reach back about 5 years. A malformed NIP or date is refused as invalid input. Data from the Polish Ministry of Finance, passed through unmodified and served by Eden Engine; not an official 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

Ministerstwo Finansów (Wykaz podatników VAT)

Data from the Polish Ministry of Finance, Wykaz podatników VAT (wl-api.mf.gov.pl). Served by Eden Engine; not an official Ministry of Finance 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.

Connect once and your AI can find and run this tool, and any other it needs.

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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: "plvatwhitelist/taxpayer" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "plvatwhitelist/taxpayer" })

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

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

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Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0026

Updated: Oct 21, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "required": [
    "nip",
    "date"
  ],
  "properties": {
    "nip": {
      "type": "string",
      "pattern": "^\\d{10}$",
      "description": "The 10-digit Polish tax number (NIP), digits only."
    },
    "date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "The date the register is read as of, YYYY-MM-DD (the register is queried for one day at a time and holds about 5 years of history)."
    }
  },
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "result"
  ],
  "properties": {
    "result": {
      "type": "object",
      "required": [
        "subject"
      ],
      "properties": {
        "subject": {
          "type": [
            "object",
            "null"
          ],
          "properties": {
            "krs": {
              "type": [
                "string",
                "null"
              ]
            },
            "nip": {
              "type": "string"
            },
            "name": {
              "type": "string"
            },
            "regon": {
              "type": [
                "string",
                "null"
              ]
            },
            "statusVat": {
              "type": [
                "string",
                "null"
              ],
              "description": "Czynny (active), Zwolniony (exempt) or Niezarejestrowany (not registered)."
            },
            "removalDate": {
              "type": [
                "string",
                "null"
              ]
            },
            "accountNumbers": {
              "type": "array",
              "items": {
                "type": "string"
              },
              "description": "Registered bank accounts, 26 digits."
            },
            "workingAddress": {
              "type": [
                "string",
                "null"
              ]
            },
            "residenceAddress": {
              "type": [
                "string",
                "null"
              ]
            },
            "registrationLegalDate": {
              "type": [
                "string",
                "null"
              ]
            }
          },
          "description": "The register entry, or null when the NIP is not in the register on that date.",
          "additionalProperties": true
        },
        "requestId": {
          "type": "string"
        },
        "requestDateTime": {
          "type": "string"
        }
      },
      "additionalProperties": true
    }
  },
  "additionalProperties": true
}