Die E-Rechnungs-API, die die Umsatzsteuer mitdenkt

from factora import FactoraClient client = FactoraClient(api_key="fa_live_...") invoice = client.create_atomic_invoice({    "api_mode": "atomic_single_post",    "invoice_header": {        "invoice_number": "RE-2026-0042",        "invoice_date": "2026-08-06",        "buyer_reference": "04011000-12345-34",        "profile": "xrechnung",    },    "validation_totals": {        "net_amount": "1500.00",        "vat_amount": "285.00",        "gross_amount": "1785.00",    },    "seller_snapshot": {...},    "buyer": {...},    "items": [...],}) print(invoice["valid"], invoice["data"]["profile"])

curl -X POST https://console.factora.software/api/v1/invoices/atomic/ \  -H "Authorization: Bearer fa_live_..." \  -H "Idempotency-Key: 8f14e45f-ea6b-4f1d-9a1e-3b0f2c7d1a55" \  -H "Content-Type: application/json" \  -d '{    "api_mode": "atomic_single_post",    "invoice_header": {      "invoice_number": "RE-2026-0042",      "invoice_date": "2026-08-06",      "buyer_reference": "04011000-12345-34",      "profile": "xrechnung"    },    "validation_totals": {      "net_amount": "1500.00",      "vat_amount": "285.00",      "gross_amount": "1785.00"    },    "seller_snapshot": { "name": "Muster GmbH", "...": "" },    "buyer": { "name": "Kunde AG", "...": "" },    "items": [{ "description": "Beratung", "...": "" }]  }'

$client = new GuzzleHttpClient(); $response = $client->post('https://console.factora.software/api/v1/invoices/atomic/', [    'headers' => [        'Authorization'   => 'Bearer fa_live_...',        'Idempotency-Key' => '8f14e45f-ea6b-4f1d-9a1e-3b0f2c7d1a55',    ],    'json' => [        'api_mode'       => 'atomic_single_post',        'invoice_header' => [            'invoice_number'  => 'RE-2026-0042',            'invoice_date'    => '2026-08-06',            'buyer_reference' => '04011000-12345-34',            'profile'         => 'xrechnung',        ],        'validation_totals' => [...],        'seller_snapshot'   => [...],        'buyer'             => [...],        'items'             => [...],    ],]); $invoice = json_decode($response->getBody(), true);

const response = await fetch(  "https://console.factora.software/api/v1/invoices/atomic/",  {    method: "POST",    headers: {      "Authorization": "Bearer fa_live_...",      "Idempotency-Key": "8f14e45f-ea6b-4f1d-9a1e-3b0f2c7d1a55",      "Content-Type": "application/json",    },    body: JSON.stringify({      api_mode: "atomic_single_post",      invoice_header: {        invoice_number: "RE-2026-0042",        invoice_date: "2026-08-06",        buyer_reference: "04011000-12345-34",        profile: "xrechnung",      },      validation_totals: { /* ... */ },      seller_snapshot: { /* ... */ },      buyer: { /* ... */ },      items: [ /* ... */ ],    }),  },); const invoice = await response.json();

using var client = new HttpClient();client.DefaultRequestHeaders.Add("Authorization", "Bearer fa_live_...");client.DefaultRequestHeaders.Add("Idempotency-Key", "8f14e45f-ea6b-4f1d-9a1e-3b0f2c7d1a55"); var payload = new{    api_mode = "atomic_single_post",    invoice_header = new    {        invoice_number  = "RE-2026-0042",        invoice_date    = "2026-08-06",        buyer_reference = "04011000-12345-34",        profile         = "xrechnung",    },    // validation_totals, seller_snapshot, buyer, items}; var response = await client.PostAsJsonAsync(    "https://console.factora.software/api/v1/invoices/atomic/", payload); var invoice = await response.Content.ReadFromJsonAsync<JsonElement>();