Choose the rail. Make a real documented request.

curl "$TECHNOMINDS_API_URL/v1/zatca/invoices/generate/simplified" \
  -X POST \
  -H "Authorization: Bearer $TECHNOMINDS_API_KEY" \
  -H "Idempotency-Key: invoice-demo-001" \
  -H "Content-Type: application/json" \
  --data @- <<JSON
{
  "organization_id": "$TECHNOMINDS_ORGANIZATION_ID",
  "egs_unit_id": null,
  "taxpayer_profile_id": null,
  "tax_calculation_mode": "TECHNOMINDS_CALCULATES",
  "requested_invoice_type": "SIMPLIFIED_TAX_INVOICE",
  "seller": {
    "legal_name": "Synthetic Najd Retail",
    "vat_number": "310000000000003",
    "commercial_registration": null,
    "address": null,
    "branch": "Riyadh",
    "additional_identifiers": []
  },
  "buyer": {
    "legal_name": null,
    "vat_number": null,
    "commercial_registration": null,
    "address": null,
    "additional_identifiers": [],
    "buyer_type": "individual"
  },
  "supply": {
    "supply_date": "2026-08-10",
    "end_date": null,
    "purchase_order_reference": null,
    "contract_reference": null,
    "delivery_reference": null,
    "payment_terms": null,
    "payment_method": "card"
  },
  "line_items": [
    {
      "line_id": "line-1",
      "name_ar": "عنصر تجريبي",
      "name_en": "Synthetic sandbox item",
      "description": "Fictional developer fixture",
      "quantity": 1,
      "unit_code": "PCE",
      "unit_price": 10000,
      "discounts": [],
      "charges": [],
      "tax_category": "standard_rated",
      "tax_rate": 15,
      "tax_exemption_reason": null
    }
  ],
  "notes": {}
}
JSON

curl "$TECHNOMINDS_API_URL/v1/address/resolve-short" \
  -X POST \
  -H "Authorization: Bearer $TECHNOMINDS_API_KEY" \
  -H "Idempotency-Key: address-demo-001" \
  -H "Content-Type: application/json" \
  --data @- <<JSON
{
  "short_address": "RRRD2929",
  "language": "en"
}
JSON

curl "$TECHNOMINDS_API_URL/v1/connected-businesses" \
  -X POST \
  -H "Authorization: Bearer $TECHNOMINDS_API_KEY" \
  -H "Idempotency-Key: business-demo-001" \
  -H "Content-Type: application/json" \
  --data @- <<JSON
{
  "external_reference": "customer-demo-001",
  "display_name": "Synthetic Customer Business",
  "legal_name_ar": "منشأة عميل تجريبية",
  "legal_name_en": "Synthetic Customer Business",
  "products": [
    "fatoorah",
    "address"
  ]
}
JSON