E-Invoicing & Tax Compliance Suite

E-Invoicing & Tax Compliance Suite — Handle e-invoicing with one API: extract data from invoice PDFs and text, validate VAT, tax IDs, and EINs, and generate compliant invoice documents.

🧾 OCR + validators

🚀 Newcomer launch pricing — limited-time introductory rates while we earn our first reviews.

Built for finance and compliance teams, e-invoicing and ERP developers.

Why this exists

E-invoicing means reading invoices, validating every tax identifier, and generating compliant output — across separate vendors.

What you get

One API key extracts invoice data, validates tax identifiers, and generates documents — the e-invoicing pipeline.

Endpoints (6 total)

• POST /v1/invoice/from-pdf
• POST /v1/invoice/from-text
• POST /v1/vat/validate
• POST /v1/tax/validate
• POST /v1/ein/validate
• POST /v1/invoice/generate

Sample request

curl -X POST https://api-einvoice-suite.knowlez.com/v1/invoice/from-pdf -H "X-API-Key: <your-key>" -H "Content-Type: application/json" -d '{}'

Pricing

• Starter — $19/mo · 500 ops included · $0.05/op overage
• Pro — $79/mo · 5,000 ops included · $0.03/op overage
• Scale — $299/mo · 50,000 ops included · $0.015/op overage

Swagger / OpenAPI: api-einvoice-suite.knowlez.com/docs