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

curl --location --request POST "$LAGO_URL/api/v1/credit_notes" \
  --header "Authorization: Bearer $API_KEY" \
  --header 'Content-Type: application/json' \
  --data-raw '{
    "credit_note": {
      "invoice_id": "__LAGO_INVOICE_ID__",
      "reason": "duplicated_charge",
      "credit_amount_cents": 10,
      "refund_amount_cents": 5,
      "items": [
        {
          "fee_id": "__LAGO_FEE_ID__",
          "amount_cents": 10
        },
        {
          "fee_id": "__LAGO_FEE_ID__",
          "amount_cents": 5
        }
      ]
    }'

from lago_python_client.client import Client
from lago_python_client.exceptions import LagoApiError
from lago_python_client.models.credit_note import Item, Items, CreditNote

client = Client(api_key='__YOUR_API_KEY__')

item1 = Item(
  fee_id="__LAGO_FEE_ID__",
  amount_cents=10
)

item2 = Item(
  fee="__LAGO_FEE_ID__",
  amount_cents=5,
)

credit_note = CreditNote(
  lago_id="__LAGO_INVOICE_ID__",
  reason="other",
  credit_amount_cents=10,
  refund_amount_cents=5,
  items= Items(__root__=[item1, item2])
)

try:
    client.credit_notes.create(credit_note)
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__'})

credit_note = {
  invoice_id: '__LAGO_INVOICE_ID__',
  reason: 'duplicated_charge',
  credit_amount_cents: 10,
  refund_amount_cents: 5,
  items: [
    {
      fee_id: '__LAGO_FEE_ID__',
      amount_cents: 10
    },
    {
      fee_id: '__LAGO_FEE_ID__',
      amount_cents: 5
    }
  ]
}

client.credit_notes.create(credit_note)

import { CreditNoteObject } from "lago-javascript-client";

const creditNoteObject = {
  invoice_id: "__LAGO_INVOICE_ID__",
  reason: "other" as CreditNoteObject["reason"],
  credit_amount_cents: 10,
  refund_amount_cents: 5,
  items: [
    {
      fee_id: "__LAGO_FEE_ID__",
      amount_cents: 10,
    },
    {
      fee_id: "__LAGO_FEE_ID__",
      amount_cents: 5,
    },
  ],
};

await client.creditNotes.createCreditNote({ creditNote: creditNoteObject });

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

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

  creditNoteInput := &lago.CreditNoteInput{
    LagoInvoiceID: "__LAGO_INVOICE_ID__",
    Reason:        lago.CreditNoteReasonDuplicatedCharge,
    CreditAmountCents 10,
    RefundAmountCents 5,
    Items:         []lago.CreditNoteItemInput{
      {
        LagoFeeID         "__LAGO_FEE_ID__",
        AmountCents 10,
      },
      {
        LagoFeeID         "__LAGO_FEE_ID__",
        AmountCents 5,
      },
    },
  }

  creditNote, err := lagoClient.CreditNote().Create(creditNoteInput)
  if err != nil {
    // Error is *lago.Error
    panic(err)
  }

  fmt.Println(creditNote)
}

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

namespace Example
{
  public class CreateCreditNoteExample
  {
      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 CreditNotesApi(Configuration.Default);
          var creditNoteInput = new CreditNoteInput(); // CreditNoteInput | Credit note payload

          try
          {
              // Create a new Credit note
              CreditNote result = apiInstance.CreateCreditNote(creditNoteInput);
              Debug.WriteLine(result);
          }
          catch (ApiException e)
          {
              Debug.Print("Exception when calling CreditNotesApi.CreateCreditNote: " + 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\CreditNotesApi(
  // 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
);
$credit_note_input = new \OpenAPI\Client\Model\CreditNoteInput(); // \OpenAPI\Client\Model\CreditNoteInput | Credit note payload

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