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Integrate in days. Not months

A REST API to calculate tax, issue invoices and bill on behalf of suppliers — with predictable objects and clear errors.

Explore the API docs View quickstart
Tax calculationCreate invoiceSelf-billing
POST /v1/tax/calculate

{
  "amount": 120.00,
  "currency": "EUR",
  "customer": {
    "country": "FR",
    "type": "business"
  }
}

Resources

Quickstart

From API key to first invoice

  1. 01Get your API keysCreate test and live keys from your dashboard.
  2. 02Declare your transaction modelBuy & resell, commission agent, self-billing or hybrid.
  3. 03Calculate tax and issue the invoiceOne call for the tax, one for the document.
Response · 201
{
  "id": "inv_8f2a",
  "type": "customer",
  "status": "issued",
  "subtotal": 120.00,
  "tax_amount": 24.00,
  "total": 144.00,
  "pdf_url": "[PDF URL]"
}

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