Open Standard for Digital Receipts

– electronic Quittance

The open standard for digital receipts

Truly open. Privacy-first. Forgery-proof. No licensing fees.

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How It Works

From Purchase to Insight

One open standard connects every step of the receipt journey.

Services

Click on any element to learn more

Paper receipts overflowing — environmental waste

The Problem

11.2 billion

paper receipts printed per year — in the UK alone.

BusinessWaste.co.uk, 2021

30+

incompatible digital receipt formats.

Zero

No interoperability between systems.

Walled Gardens

Existing formats are locked behind proprietary ecosystems, controlled by commercial interests.

The Solution

– One Open Format for Everyone

A single, open standard that works with any POS system, any consumer app, in any country - and belongs to no one (and everyone).

receipt.json

{
  "$schema": "https://eqstandard.org/schema/v1/receipt.json",
  "eq_version": "1.0.0",
  "receipt": {
    "id": "550e8400-e29b-41d4-a716-446655440000",
    "issued_at": "2026-01-31T14:30:00+01:00",
    "timezone": "Europe/Zurich",
    "receipt_type": "sale",
    "receipt_number": "R-2026-00001234",
    "currency": "CHF",
    "language": "de-CH",

    "merchant": {
      "name": "Bio Market", "legal_name": "Bio Market GmbH",
      "tax_id": "CHE-123.456.789 MWST", "tax_id_type": "CH_MWST",
      "address": {
        "line1": "Bahnhofstrasse 1", "city": "Zürich",
        "postal_code": "8001", "subdivision": "ZH", "country": "CH"
      },
      "address_standard": "EN16931",
      "contact": { "website": "https://biomarket.ch" }
    },

    "location": { "name": "Zürich Hauptbahnhof", "location_id": "LOC-001" },

    "transaction": {
      "transaction_id": "TXN-20260131-001234", "terminal_id": "POS-01",
      "payments": [{
        "method": "card", "amount": 12.50,
        "card_type": "debit", "card_brand": "Visa", "card_last_four": "4242"
      }]
    },

    "items": [{
      "line_number": 1, "description": "Bio Vollmilch 1L",
      "quantity": 2, "unit": "piece",
      "unit_price": 2.90, "total_price": 5.80,
      "tax_rate": 2.6, "tax_category": "reduced",
      "identifiers": { "gtin": "7612345678901" }
    }],

    "taxes": [{ "tax_rate": 2.6, "taxable_amount": 10.30, "tax_amount": 0.27 }],

    "totals": {
      "subtotal": 12.10, "tax_total": 0.42,
      "total": 12.52, "rounding": -0.02,
      "grand_total": 12.50, "amount_paid": 12.50
    },

    "extensions": {
      "eq:nutrition": { "items": [{
        "line_number": 1, "nutri_score": "B", "is_organic": true
      }] }
    },

    "signatures": {
      "merchant": {
        "algorithm": "ES256",
        "key_id": "biomarket-key-2026-01",
        "certificate_url": "https://biomarket.ch/.well-known/eq/cert.pem",
        "signed_fields": ["receipt"],
        "signature": "MEUCIQDf4...base64..."
      }
    }
  },

  "integrity": {
    "algorithm": "SHA-256",
    "hash": "a9f8b7c6d5e4f3a2b1c0d9e8...",
    "scope": "receipt"
  }
}