# Validate a KSeF FA(3) Invoice Before Submission

**Use case:** 

A structured FA(3) e-invoice returns ACCEPTED against schema v1-0E with the KSeF technical-checks document date and ERP consistency checks on the record.

## Input

```json
{
  "documents": "***",
  "resultDetail": "FINDINGS",
  "maxFindingsPerDocument": 100,
  "storeXmlReport": false,
  "storeHtmlReport": false
}
```

## Output

```json
{
  "conformanceStatus": {
    "label": "Technical assessment",
    "format": "string"
  },
  "previewConformanceStatus": {
    "label": "Future rules preview",
    "format": "string"
  },
  "validationScope": {
    "label": "Validation scope",
    "format": "string"
  },
  "externalStateStatus": {
    "label": "Network and registry state coverage",
    "format": "string"
  },
  "processingStatus": {
    "label": "Processing",
    "format": "string"
  },
  "documentId": {
    "label": "Document ID",
    "format": "string"
  },
  "fileName": {
    "label": "File name",
    "format": "string"
  },
  "sourceFormat": {
    "label": "Source format",
    "format": "string"
  },
  "validationFamily": {
    "label": "Validation family",
    "format": "string"
  },
  "syntax": {
    "label": "Syntax",
    "format": "string"
  },
  "profile": {
    "label": "Profile",
    "format": "string"
  },
  "container": {
    "label": "Container checks",
    "format": "object"
  },
  "counts": {
    "label": "Finding counts",
    "format": "object"
  },
  "sha256": {
    "label": "Input SHA-256",
    "format": "string"
  }
}
```

## About this Actor

This example demonstrates how to use [Poland KSeF FA(3) Preflight Validator - e-Faktura XML](https://apify.com/kamerozkan/poland-ksef-preflight-validator) with a specific input configuration. Visit the [Actor detail page](https://apify.com/kamerozkan/poland-ksef-preflight-validator) to learn more, explore other use cases, and run it yourself.


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This Task's input is already configured above — use it as-is rather than inventing a new one.

- **AI agents and MCP clients** — the [Apify MCP server](https://docs.apify.com/integrations/mcp.md) at `https://mcp.apify.com` (remote, streamable HTTP, OAuth on first use).
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For full API examples (JavaScript, Python, CLI, MCP, OpenAPI), see this Task's Actor page: https://apify.com/kamerozkan/poland-ksef-preflight-validator.md

For more details, see Apify documentation as [Markdown index](https://docs.apify.com/llms.txt) and [Markdown full-text](https://docs.apify.com/llms-full.txt).