LAGO_URL="https://api.getlago.com"
API_KEY="__YOUR_API_KEY__"

curl --location --request POST "$LAGO_URL/api/v1/invoices" \
  --header "Authorization: Bearer $API_KEY" \
  --header 'Content-Type: application/json' \
  --data-raw '{
    "invoice": {
      "external_customer_id": "hooli_1234",
      "currency": "USD",
      "fees": [
        {
          "add_on_code": "setup_fee",
          "units": 2.5,
          "unit_amount_cents": 1200,
          "description": "This is a description.",
          "tax_codes": ["french_standard_vat]
        }
      ]
    }
  }'

from lago_python_client.client import Client
from lago_python_client.exceptions import LagoApiError
from lago_python_client.models import InvoiceFee, OneOffInvoice, InvoiceFeesList

client = Client(api_key='__YOUR_API_KEY__')

fee_object = InvoiceFee(
  add_on_code='setup_fee',
  units=2.5,
  unit_amount_cents=1200,
  description='This is a description.'
)

invoice_create = OneOffInvoice(
  external_customer_id="hooli_1234",
  currency="USD",
  fees=InvoiceFeesList(__root__=[fee_object])
)

try:
    client.invoices.create(invoice_create)
except LagoApiError as e:
    repair_broken_state(e)  # do something on error or raise your own exception

require 'lago-ruby-client'

client = Lago::Api::Client.new({api_key: '__YOUR_API_KEY__'})

client.invoices.create({
  external_customer_id: "hooli_1234",
  currency: 'USD',
  fees: [
    {
      add_on_code: 'setup_fee',
      units: 2.5,
      unit_amount_cents: 1200,
      description: 'This is a description.'
    }
  ]
})

const invoiceObject = {
  external_customer_id: "hooli_1234",
  currency: "USD",
  fees: [
    {
      add_on_code: "setup_fee",
      description: "This is a description.",
      units: 2.5,
      unit_amount_cents: 1200,
    },
  ],
};

await client.invoices.createInvoice({
  invoice: invoiceObject,
});

import "fmt"
import "github.com/getlago/lago-go-client"

func main() {
lagoClient := lago.New().
    SetApiKey("__YOUR_API_KEY__")

invoiceInput := &lago.OneOffInput{
    ExternalCustomerId: custID,
        currency: "USD",
    Fees: [
    &InvoiceFeesInput{
        AddOnCode: "setup_fee",
        Description: "This is a description.",
        Units: 2.5,
        UnitAmountCents: 1200
    }
    ]
}

invoice, err := lagoClient.Invoice().Create(invoiceInput)
if err != nil {
    // Error is *lago.Error
    panic(err)
}

// invoice is *lago.Invoice
fmt.Println(invoice)
}

using System.Collections.Generic;
using System.Diagnostics;
using Org.OpenAPITools.Api;
using Org.OpenAPITools.Client;
using Org.OpenAPITools.Model;

namespace Example
{
  public class UpdateInvoiceExample
  {
      public static void Main()
      {
          Configuration.Default.BasePath = "https://api.getlago.com/api/v1";
          // Configure HTTP bearer authorization: bearerAuth
          Configuration.Default.AccessToken = "YOUR_ACCESS_TOKEN";

          var apiInstance = new InvoicesApi(Configuration.Default);
          var id = "183da83c-c007-4fbb-afcd-b00c07c41ffe";  // string | ID of the existing Lago Invoice
          var invoiceInput = new InvoiceOneOffInput();

          try
          {
              // Update an existing invoice status
              Invoice result = apiInstance.CreateInvoice(invoiceInput);
              Debug.WriteLine(result);
          }
          catch (ApiException e)
          {
              Debug.Print("Exception when calling InvoicesApi.CreateInvoice: " + e.Message );
              Debug.Print("Status Code: "+ e.ErrorCode);
              Debug.Print(e.StackTrace);
          }
      }
  }
}

<?php
require_once(__DIR__ . '/vendor/autoload.php');


// Configure Bearer authorization: bearerAuth
$config = OpenAPI\Client\Configuration::getDefaultConfiguration()->setAccessToken('YOUR_ACCESS_TOKEN');


$apiInstance = new OpenAPI\Client\Api\InvoicesApi(
  // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
  // This is optional, `GuzzleHttp\Client` will be used as default.
  new GuzzleHttp\Client(),
  $config
);
$invoice_input = new \OpenAPI\Client\Model\InvoiceOneOffInput();

try {
  $result = $apiInstance->createInvoice($invoice_input);
  print_r($result);
} catch (Exception $e) {
  echo 'Exception when calling InvoicesApi->createInvoice: ', $e->getMessage(), PHP_EOL;
}