ONE PLATFORM. ROOM TO BUILD.

Validate invoices,
VAT numbers
and domains.

Get clear results on the website or integrate the same checks into your software. One account, useful tools and transparent monthly plans.

Create free account · No card required · Monthly plans for website tools

invoice.validate
// Send an invoice. Get a clear answer.
POST /v1/invoices/validate
Authorization: Bearer $APIVECT_API_KEY
Idempotency-Key: unique-request-id
Content-Type: application/xml

// Illustrative response
{
  "valid": true,
  "profile": "peppol-bis-billing-3",
  "documentType": "Invoice",
  "findings": []
}
Predictable JSON. Actionable rule codes.
One integration patternConsistent authentication and error responses.
Explicit usageProduct quotas and opt-in overage limits.
Keep document data privateInvoice contents processed in memory.

THE PRODUCT FAMILY

Small building blocks.
Useful possibilities.

Start with invoice validation. Add the checks your application needs through the same platform.

01 /
Invoice API

Invoice Validation

Check UBL invoices and credit notes against EN16931 and Peppol BIS Billing 3. Get rule codes your team can act on.

  • UBL 2.1 schema validation
  • Versioned European business rules
  • XML processed in memory
Invoice API details ↗
02 /
API available

EU VAT Validation

Build VAT verification into onboarding and billing, with a clear distinction between invalid numbers and unavailable upstream services.

  • EU VIES integration
  • Explicit validity and freshness
  • Provider date and cache status
VAT API details ↗
03 /
API available

Domain & Email

Understand DNS and email security settings through structured checks with explicit coverage for each check.

  • SPF, DKIM and DMARC checks
  • DNS and certificate diagnostics
  • Per-check coverage and findings
Domain API details ↗

WORKFLOWS FOR YOUR BUSINESS

More than individual checks.

Choose a workflow, see example results and compare its monthly allowance before signing in.

Bulk VAT lists

Upload CSV lists, review VIES results and export your records. Business and Platform plans support optional monthly rechecks.

Explore VAT list checks →

Invoice Tools

Convert supported JSON and UBL invoice data, or create a PDF reading copy with validation findings included.

Explore Invoice Tools →

Document Render

Turn supported HTML or JSON reports into private PDFs through an asynchronous API with a fixed monthly allowance.

Explore the PDF API →

Website Audit

Scan owned static websites for HTTP, metadata and indexing issues. Compare scans and download private reports.

Explore Website Audit →

NO CODE NEEDED

Run checks directly on the website.

Check invoices, EU VAT numbers and domain security from your account. Start with 10 free checks per month, at most 2 per day. Monthly manual plans include 50 or 200 checks.

Explore manual plans →

INVOICE PLANS

Start small. Scale clearly.

Monthly prices in EUR, excluding VAT. Start with a free account. Invoice subscriptions are available to businesses in the countries listed in Billing.

Developer

€7/ month

2,000 validations included

Optional overage: €0.004 / validation

Choose plan ↗

Business

€19/ month

10,000 validations included

Optional overage: €0.0025 / validation

Choose plan ↗

Platform

€39/ month

25,000 validations included

Optional overage: €0.002 / validation

Choose plan ↗

NEWS & GUIDES

Put the tools into practice.

Read our latest product guidance, understand the checks and find a useful next step for your invoice, VAT or domain workflow.

Read news and guides →

BUILD WITH CONFIDENCE

Clear contracts.
Fewer loose ends.

Read the API reference and see how ApiVect fits into your application.

Open documentation ↗