Finance template

Oman VAT Invoice

Oman Tax Authority (OTA) compliant bilingual tax invoice. VAT 5%, Royal Decree 121 / 2020.

Pro, Business & Scale plansCountry: OMLanguage: ar+enOM-OTA

slug: om-vat-invoiceRendered with sample data

Quick start

Reference the template by its slug and pass your data. The same call works from any language; pick whichever fits your stack. Replace $KAMY_API_KEY with a key from the dashboard.

curl

curl https://kamy.dev/api/v1/render \
  -H "Authorization: Bearer $KAMY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "templateSlug": "om-vat-invoice",
    "data": {
      "invoiceNumber": "OM-2026-00721",
      "issueDate": "2026-04-15",
      "supplyDate": "2026-04-12",
      "currency": "OMR",
      "supplier": {
        "name": "Muscat Cloud Networks LLC",
        "trn": "OM1100022345",
        "address": [
          "Office 408, Al Khuwair Plaza",
          "Muscat 112, Sultanate of Oman"
        ],
        "email": "[email protected]",
        "phone": "+968 2477 8800",
        "iban": "OM81 0001 8000 0001 2345 6789"
      },
      "recipient": {
        "name": "Salalah Logistics SAOC",
        "trn": "OM1100099876",
        "address": [
          "Salalah Free Zone, Block 3",
          "Salalah 211, Oman"
        ],
        "email": "[email protected]"
      },
      "lineItems": [
        {
          "description": "SD-WAN deployment — 6 sites",
      // …
    }
  }'

node.js

import { Kamy } from "@kamydev/sdk";

const kamy = new Kamy({ apiKey: process.env.KAMY_API_KEY! });

const { url } = await kamy.render({
  templateSlug: "om-vat-invoice",
  data: {
    "invoiceNumber": "OM-2026-00721",
    "issueDate": "2026-04-15",
    "supplyDate": "2026-04-12",
    "currency": "OMR",
    "supplier": {
      "name": "Muscat Cloud Networks LLC",
      "trn": "OM1100022345",
      "address": [
        "Office 408, Al Khuwair Plaza",
        "Muscat 112, Sultanate of Oman"
      ],
      "email": "[email protected]",
      "phone": "+968 2477 8800",
      "iban": "OM81 0001 8000 0001 2345 6789"
    },
    "recipient": {
      "name": "Salalah Logistics SAOC",
      "trn": "OM1100099876",
      "address": [
        "Salalah Free Zone, Block 3",
        "Salalah 211, Oman"
      ],
      "email": "[email protected]"
    },
    "lineItems": [
      {
        "description": "SD-WAN deployment — 6 sites",
    // …
  },
});

console.log(url); // signed URL, valid for 1 hour

python

import os, requests

resp = requests.post(
    "https://kamy.dev/api/v1/render",
    headers={"Authorization": f"Bearer {os.environ['KAMY_API_KEY']}"},
    json={
        "templateSlug": "om-vat-invoice",
        "data": {
          "invoiceNumber": "OM-2026-00721",
          "issueDate": "2026-04-15",
          "supplyDate": "2026-04-12",
          "currency": "OMR",
          "supplier": {
            "name": "Muscat Cloud Networks LLC",
            "trn": "OM1100022345",
            "address": [
              "Office 408, Al Khuwair Plaza",
              "Muscat 112, Sultanate of Oman"
            ],
            "email": "[email protected]",
            "phone": "+968 2477 8800",
            "iban": "OM81 0001 8000 0001 2345 6789"
          },
          "recipient": {
            "name": "Salalah Logistics SAOC",
            "trn": "OM1100099876",
            "address": [
              "Salalah Free Zone, Block 3",
              "Salalah 211, Oman"
            ],
            "email": "[email protected]"
          },
          "lineItems": [
            {
              "description": "SD-WAN deployment — 6 sites",
          // …
        },
    },
)
resp.raise_for_status()
print(resp.json()["url"])

Sample payload

The full sample data the live preview above renders from. Use it as a starting point for your own integration — every field is optional except those marked required in the schema below.

json

{
  "invoiceNumber": "OM-2026-00721",
  "issueDate": "2026-04-15",
  "supplyDate": "2026-04-12",
  "currency": "OMR",
  "supplier": {
    "name": "Muscat Cloud Networks LLC",
    "trn": "OM1100022345",
    "address": [
      "Office 408, Al Khuwair Plaza",
      "Muscat 112, Sultanate of Oman"
    ],
    "email": "[email protected]",
    "phone": "+968 2477 8800",
    "iban": "OM81 0001 8000 0001 2345 6789"
  },
  "recipient": {
    "name": "Salalah Logistics SAOC",
    "trn": "OM1100099876",
    "address": [
      "Salalah Free Zone, Block 3",
      "Salalah 211, Oman"
    ],
    "email": "[email protected]"
  },
  "lineItems": [
    {
      "description": "SD-WAN deployment — 6 sites",
      "quantity": 6,
      "unitPrice": 850,
      "netAmount": 5100,
      "vatRate": 5,
      "vatAmount": 255,
      "lineTotal": 5355
    },
    {
      "description": "Annual managed services",
      "quantity": 1,
      "unitPrice": 2400,
      "netAmount": 2400,
      "vatRate": 5,
      "vatAmount": 120,
      "lineTotal": 2520
    }
  ],
  "subtotal": 7500,
  "discountAmount": 0,
  "totalVat": 375,
  "total": 7875,
  "paymentTerms": "Net 30 from issue date.",
  "notes": "VAT 5% per Royal Decree 121/2020."
}

JSON Schema

The render endpoint validates your payload against this JSON Schema before queuing the render. Validation errors come back with HTTP 400 and a VALIDATION_FAILED code listing every offending path.

json

{
  "type": "object",
  "required": [
    "invoiceNumber",
    "issueDate",
    "supplier",
    "recipient",
    "lineItems",
    "subtotal",
    "totalVat",
    "total"
  ],
  "properties": {
    "invoiceNumber": {
      "type": "string",
      "minLength": 1
    },
    "issueDate": {
      "type": "string"
    },
    "supplyDate": {
      "type": "string"
    },
    "currency": {
      "type": "string",
      "minLength": 3,
      "maxLength": 3
    },
    "exchangeRate": {
      "type": "number"
    },
    "supplier": {
      "type": "object",
      "required": [
        "name",
        "trn"
      ],
      "properties": {
        "name": {
          "type": "string",
          "minLength": 1
        },
        "trn": {
          "type": "string",
          "pattern": "^OM[0-9]{10}$|^[0-9A-Z]{10,15}$"
        },
        "address": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "email": {
          "type": "string",
          "format": "email"
        },
        "phone": {
          "type": "string"
        },
        "iban": {
          "type": "string"
        }
      }
    },
    "recipient": {
      "type": "object",
      "required": [
        "name"
      ],
      "properties": {
        "name": {
          "type": "string",
          "minLength": 1
        },
        "trn": {
          "type": "string"
        },
        "address": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "email": {
          "type": "string",
          "format": "email"
        }
      }
    },
    "lineItems": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "object",
        "required": [
          "description",
          "quantity",
          "unitPrice",
          "netAmount",
          "vatRate",
          "vatAmount",
          "lineTotal"
        ],
        "properties": {
          "description": {
            "type": "string",
            "minLength": 1
          },
          "quantity": {
            "type": "number",
            "minimum": 0
          },
          "unitPrice": {
            "type": "number"
          },
          "netAmount": {
            "type": "number"
          },
          "vatRate": {
            "type": "number",
            "minimum": 0
          },
          "vatAmount": {
            "type": "number",
            "minimum": 0
          },
          "lineTotal": {
            "type": "number"
          }
        }
      }
    },
    "subtotal": {
      "type": "number"
    },
    "discountAmount": {
      "type": "number"
    },
    "totalVat": {
      "type": "number"
    },
    "total": {
      "type": "number"
    },
    "notes": {
      "type": "string"
    },
    "paymentTerms": {
      "type": "string"
    }
  }
}