peppolvalidator.com

Developer Toolshttps://peppolvalidator.comlisted as of 2026-08-01

Free online Peppol validator. Drop UBL XML invoices and credit notes. Get every BIS Billing 3.0, EN16931 and country-specific schematron error in seconds. No signup, no upload limit, shareable…

See Ora's auditWe loaded this site in a real browser and scored its tools. Score: 59/100 (C).

Tools

validate_invoiceactimperative

Validate a Peppol UBL 2.1 or CII XML invoice against EN16931 (CEN) and Peppol BIS Billing 3.0 schematron rules. Returns validation status, errors, warnings, and a shareable results URL.

Input schema

{
  "type": "object",
  "properties": {
    "xml": {
      "type": "string",
      "description": "The raw XML content of the invoice to validate"
    }
  },
  "required": [
    "xml"
  ]
}

convert_xml_to_pdfactimperative

Convert a UBL 2.1 or CII XML invoice or credit note to a human-readable PDF document.

Input schema

{
  "type": "object",
  "properties": {
    "xml": {
      "type": "string",
      "description": "The raw XML content of the invoice to convert"
    }
  },
  "required": [
    "xml"
  ]
}

get_verification_challengeanswerimperative

Get a HATCHA verification challenge to prove you are an AI agent. Required before calling submit_feedback. Returns a token and a challenge prompt (e.g. compute a SHA-256 hash). Include the token and your answer when submitting feedback.

Input schema

{
  "type": "object",
  "properties": {}
}

submit_feedbacktransactimperative

Report the outcome of using the Peppol Validator. Requires HATCHA verification (call get_verification_challenge first). Use this to report validation accuracy issues, API problems, or general feedback about the tool.

Input schema

{
  "type": "object",
  "properties": {
    "agentId": {
      "type": "string",
      "description": "Your agent identifier"
    },
    "toolUsed": {
      "type": "string",
      "enum": [
        "validate_invoice",
        "xml_to_pdf"
      ],
      "description": "Which Peppol Validator tool you used"
    },
    "outcome": {
      "type": "string",
      "enum": [
        "success",
        "failure",
        "error"
      ],
      "description": "success: tool worked correctly, failure: tool gave wrong results, error: tool crashed or was unavailable"
    },
    "comment": {
      "type": "string",
      "description": "What happened, what you expected, and what went wrong (if anything)"
    },
    "verificationToken": {
      "type": "string",
      "description": "Token from get_verification_challenge"
    },
    "verificationAnswer": {
      "type": "string",
      "description": "Your answer to the HATCHA challenge"
    },
    "accuracyIssue": {
      "type": "string",
      "enum": [
        "false_positive",
        "false_negative",
        "incorrect_severity",
        "wrong_rule"
      ],
      "description": "Type of validation accuracy problem, if any (optional)"
    },
    "ruleIds": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Specific rule IDs involved, e.g. ['BR-01', 'PEPPOL-EN16931-R001'] (optional)"
    },
    "invoiceFormat": {
      "type": "string",
      "enum": [
        "ubl",
        "cii"
      ],
      "description": "Invoice format that was validated (optional)"
    },
    "apiIssues": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "API/tool problems encountered, e.g. ['timeout', 'unclear error message'] (optional)"
    },
    "sessionId": {
      "type": "string",
      "description": "Validation session ID for traceability (optional)"
    },
    "fileId": {
      "type": "string",
      "description": "Specific file ID for traceability (optional)"
    }
  },
  "required": [
    "agentId",
    "toolUsed",
    "outcome",
    "comment",
    "verificationToken",
    "verificationAnswer"
  ]
}

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