curl --request POST \
  --url https://api.leanpay.fr/v1/public/invoices/complete \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "reference": "<string>",
  "client": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  },
  "amount": 1,
  "issueDate": "2023-12-25",
  "dueDates": [
    {
      "dueDate": "2023-12-25",
      "currency": "<string>",
      "amount": 1,
      "defaultCurrencyAmount": 1
    }
  ],
  "externalId": "<string>",
  "dueDate": "2023-12-25",
  "payments": [
    {
      "date": "2023-12-25",
      "amount": 1,
      "externalId": "<string>"
    }
  ],
  "creditNoteLinks": [
    {
      "date": "2023-12-25",
      "creditNote": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
      },
      "amount": 1,
      "externalId": "<string>"
    }
  ]
}
'

import requests

url = "https://api.leanpay.fr/v1/public/invoices/complete"

payload = {
    "reference": "<string>",
    "client": { "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a" },
    "amount": 1,
    "issueDate": "2023-12-25",
    "dueDates": [
        {
            "dueDate": "2023-12-25",
            "currency": "<string>",
            "amount": 1,
            "defaultCurrencyAmount": 1
        }
    ],
    "externalId": "<string>",
    "dueDate": "2023-12-25",
    "payments": [
        {
            "date": "2023-12-25",
            "amount": 1,
            "externalId": "<string>"
        }
    ],
    "creditNoteLinks": [
        {
            "date": "2023-12-25",
            "creditNote": { "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a" },
            "amount": 1,
            "externalId": "<string>"
        }
    ]
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    reference: '<string>',
    client: {id: '3c90c3cc-0d44-4b50-8888-8dd25736052a'},
    amount: 1,
    issueDate: '2023-12-25',
    dueDates: [
      {
        dueDate: '2023-12-25',
        currency: '<string>',
        amount: 1,
        defaultCurrencyAmount: 1
      }
    ],
    externalId: '<string>',
    dueDate: '2023-12-25',
    payments: [{date: '2023-12-25', amount: 1, externalId: '<string>'}],
    creditNoteLinks: [
      {
        date: '2023-12-25',
        creditNote: {id: '3c90c3cc-0d44-4b50-8888-8dd25736052a'},
        amount: 1,
        externalId: '<string>'
      }
    ]
  })
};

fetch('https://api.leanpay.fr/v1/public/invoices/complete', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.leanpay.fr/v1/public/invoices/complete",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'reference' => '<string>',
    'client' => [
        'id' => '3c90c3cc-0d44-4b50-8888-8dd25736052a'
    ],
    'amount' => 1,
    'issueDate' => '2023-12-25',
    'dueDates' => [
        [
                'dueDate' => '2023-12-25',
                'currency' => '<string>',
                'amount' => 1,
                'defaultCurrencyAmount' => 1
        ]
    ],
    'externalId' => '<string>',
    'dueDate' => '2023-12-25',
    'payments' => [
        [
                'date' => '2023-12-25',
                'amount' => 1,
                'externalId' => '<string>'
        ]
    ],
    'creditNoteLinks' => [
        [
                'date' => '2023-12-25',
                'creditNote' => [
                                'id' => '3c90c3cc-0d44-4b50-8888-8dd25736052a'
                ],
                'amount' => 1,
                'externalId' => '<string>'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.leanpay.fr/v1/public/invoices/complete"

	payload := strings.NewReader("{\n  \"reference\": \"<string>\",\n  \"client\": {\n    \"id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  },\n  \"amount\": 1,\n  \"issueDate\": \"2023-12-25\",\n  \"dueDates\": [\n    {\n      \"dueDate\": \"2023-12-25\",\n      \"currency\": \"<string>\",\n      \"amount\": 1,\n      \"defaultCurrencyAmount\": 1\n    }\n  ],\n  \"externalId\": \"<string>\",\n  \"dueDate\": \"2023-12-25\",\n  \"payments\": [\n    {\n      \"date\": \"2023-12-25\",\n      \"amount\": 1,\n      \"externalId\": \"<string>\"\n    }\n  ],\n  \"creditNoteLinks\": [\n    {\n      \"date\": \"2023-12-25\",\n      \"creditNote\": {\n        \"id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n      },\n      \"amount\": 1,\n      \"externalId\": \"<string>\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.leanpay.fr/v1/public/invoices/complete")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"reference\": \"<string>\",\n  \"client\": {\n    \"id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  },\n  \"amount\": 1,\n  \"issueDate\": \"2023-12-25\",\n  \"dueDates\": [\n    {\n      \"dueDate\": \"2023-12-25\",\n      \"currency\": \"<string>\",\n      \"amount\": 1,\n      \"defaultCurrencyAmount\": 1\n    }\n  ],\n  \"externalId\": \"<string>\",\n  \"dueDate\": \"2023-12-25\",\n  \"payments\": [\n    {\n      \"date\": \"2023-12-25\",\n      \"amount\": 1,\n      \"externalId\": \"<string>\"\n    }\n  ],\n  \"creditNoteLinks\": [\n    {\n      \"date\": \"2023-12-25\",\n      \"creditNote\": {\n        \"id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n      },\n      \"amount\": 1,\n      \"externalId\": \"<string>\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.leanpay.fr/v1/public/invoices/complete")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"reference\": \"<string>\",\n  \"client\": {\n    \"id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  },\n  \"amount\": 1,\n  \"issueDate\": \"2023-12-25\",\n  \"dueDates\": [\n    {\n      \"dueDate\": \"2023-12-25\",\n      \"currency\": \"<string>\",\n      \"amount\": 1,\n      \"defaultCurrencyAmount\": 1\n    }\n  ],\n  \"externalId\": \"<string>\",\n  \"dueDate\": \"2023-12-25\",\n  \"payments\": [\n    {\n      \"date\": \"2023-12-25\",\n      \"amount\": 1,\n      \"externalId\": \"<string>\"\n    }\n  ],\n  \"creditNoteLinks\": [\n    {\n      \"date\": \"2023-12-25\",\n      \"creditNote\": {\n        \"id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n      },\n      \"amount\": 1,\n      \"externalId\": \"<string>\"\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "tenantId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "clientId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "externalId": "<string>",
  "reference": "<string>",
  "amount": 123,
  "remainingAmount": 123,
  "paidAmount": 123,
  "offsetAmount": 123,
  "sentDate": "2023-11-07T05:31:56Z",
  "issueDate": "2023-11-07T05:31:56Z",
  "dueDate": "2023-11-07T05:31:56Z",
  "upcomingPaymentDate": "2023-11-07T05:31:56Z",
  "dueDates": [
    {
      "dueDate": "2023-11-07T05:31:56Z",
      "currency": "<string>",
      "amount": 1,
      "defaultCurrencyAmount": 1
    }
  ],
  "payments": [
    {
      "date": "2023-11-07T05:31:56Z",
      "amount": 1,
      "defaultCurrencyAmount": 1,
      "externalId": "<string>"
    }
  ],
  "creditNoteLinks": [
    {
      "date": "2023-11-07T05:31:56Z",
      "amount": 1,
      "defaultCurrencyAmount": 1,
      "externalId": "<string>",
      "creditNote": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "externalId": "<string>"
      }
    }
  ],
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z"
}