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Send EHF Invoice

The Send EHF Invoice endpoint allows merchants to generate and send standardized electronic invoices (EHF) to corporate customers in Norway. EHF invoices conform to national and PEPPOL regulations, enabling seamless delivery to customer accounting systems and public sector entities. This API integrates Front Payment’s digital invoicing with your order workflow — encapsulating products, billing details, due dates, and delivery preferences into an EHF-enabled invoice.

Upon success, you'll receive an orderUuid and customerUuid to track the invoice lifecycle. To check invoice status go to Get Order Status By UUID page

Key Benefits

  • Automate invoicing workflows and reduce manual billing overhead.
  • Ensure compliance with Norwegian EHF (PEPPOL) standards.
  • Deliver invoices directly to recipients' systems via the PEPPOL network.
  • Monitor invoice status or reconcile with callbacks or queries.

Prerequisites

Before you start the integration, make sure you have:

1. API Access:

  • A valid API key and Bearer Token from Front Payment
  • Access to the demo and production environments

2. Technical Requirements:

  • Ability to make HTTPS API calls
  • Secure storage of tokens and keys
  • Callback endpoints to handle payment status updates

3. Test Environment:

Endpoint

POST https://demo-api.frontpayment.no/api/v1/connect/orders/ehf/create

Authorization

Include a Bearer Token in the Authorization header. You can obtain this token from Front Payment.

Example:

Authorization: Bearer YOUR_FRONTPAYMENT_BEARER_TOKEN

Request Payload

Send the following parameters as a JSON object in the request body:

{
    "products": {
        "0": {
            "name": "Hair Wash",
            "productId": "VFDDF",
            "quantity": "1",
            "rate": 51,
            "discount": 0,
            "tax": "0",
            "amount": 51
        }
    },
    "orderSummary": {
        "subTotal": "51.00",
        "totalTax": "0.00",
        "totalDiscount": "0.00",
        "grandTotal": "51.00"
    },
    "orderDate": "1703040812",
    "customerDetails": {
        "countryCode": "+47",
        "msisdn": "46567468",
        "email": "[email protected]",
        "name": "Kari Nordmann",
        "preferredLanguage": "en",
        "organizationId": "123456789,
        "address": {
            "street": "Luramyrveien 65",
            "zip": "4313",
            "city": "Sandnes",
            "country": "NO"
        }
    },
    "invoiceInterval": 0,
    "invoiceMaturity": 10,
    "invoiceFeeApplicable": true,
    "separateInvoices": true,
    "referenceNo": null,
    "customerReference": null,
    "callback": {
        "callbackUrl": "https://example.com/callback-url"
    }
}

Validation Rules

Make sure your request meets the following requirements:

Field Type Description
products.*.name string Required Name of the product.
products.*.productId string Optional Unique identifier for the product.
products.*.quantity numeric Required Quantity of the product.
products.*rate numeric Required Rate per unit of the product.
products.*.discount numeric Optional Discount applied to the product.
products.*.tax numeric Required Tax rate must be (e.g., 0, 12, 15, 25), Unless you have other configuration.
products.*.amount numeric Required Total amount for the product line item.
orderSummary.subTotal numeric Required Subtotal of all products before tax and discount.
orderSummary.totalTax numeric Required Total tax for the order.
orderSummary.totalDiscount numeric Required Total discount for the order.
orderSummary.grandTotal numeric Required Grand total of the order.
orderDate string Required Unix timestamp for the Date of the order.
customerDetails.countryCode string Required Country code for the customer's phone number (e.g., "+47").
customerDetails.msisdn string Required Mobile Subscriber ISDN Number (phone number).
customerDetails.email email Required Customer's email address.
customerDetails.name email Required Customer's full name.
customerDetails.preferredLanguage string Optional Customer preferred language. Available languages are en, no, sv, da, de. If nothing is given it will set default to no.
customerDetails.organizationId string Required Organization identification number, must contain only numbers and cannot contain spaces
customerDetails.address.street string Required Street address of the customer.
customerDetails.address.zip string Required Zip code of the customer's address.
customerDetails.address.city string Required City of the customer's address.
customerDetails.address.country string Required ISO Alpha-2 country code (e.g., NO). Custom validation IsoAlpha2Country applies.
invoiceInterval numeric Optional Default value is = 0. You can change it to 0, 1, 2. Daily = 0, Once a month = 1, Twice a month = 2.
invoiceFeeApplicable boolean Required Default value is true.
invoiceMaturity numeric Optional Default value is 14. if you want to set the value then give 14, 30 or 45.
separateInvoices boolean Optional Default value is true.
referenceNo string Nullable Any reference number.
customerReference string Nullable Any value for customer reference.
callback.callbackUrl url Required To receive real-time notifications on order state changes, you must provide a callback url. This is an server-to-server HTTP GET request.

Response

A successful request will return a 201 Created status with the following JSON payload:

{
    "status_code": 201,
    "status_message": "OK",
    "message": "orderAddedSuccessfully",
    "is_data": false,
    "data": {
        "uuid": "ODR3506777330",
        "customerUuid": "CSRT3463048878"
    }
}

API returns a 500 or 510 error, it means something failed on the server side

{
    "status_code": 500,
    "status_message": "Internal Dependency Error",
    "message": "internalErrorOccurredPleaseTryAgainLater",
    "is_error": true,
    "errors": {
        "happenedAt": "String",
        "internalErrorDetails": "Array"
    }
}
{
    "status_code": 510,
    "status_message": "Execution Exception Occurred",
    "message": "somethingWentWrong",
    "is_error": true,
    "errors": "Array"
}

Notifications via Callback URL

The callbackUrl is an endpoint on your server that our system will call via an HTTP GET request whenever the status of the specified order changes from its initial state.

Go to Notication Via Callback Url Page