curl --request PATCH \
  --url https://api.meetcampfire.com/coa/api/v1/bill/{id}/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "lines": [
    {
      "account": 123,
      "id": 123,
      "bill": 123,
      "description": "<string>",
      "amount": 0,
      "tax": 0,
      "tax_description": "<string>",
      "source": "<string>",
      "source_id": "<string>",
      "currency": "<string>",
      "tax_rate": 123,
      "bill_customer": 123,
      "department": 123
    }
  ],
  "item_date": "2023-12-25",
  "migrated_journal_id": 123,
  "chat_uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "mailing_address": "<string>",
  "bill_number": "<string>",
  "bill_date": "2023-12-25",
  "due_date": "2023-12-25",
  "paid_date": "2023-12-25",
  "message_on_bill": "<string>",
  "ita_allocation_number": "<string>",
  "source_id": "<string>",
  "source": "<string>",
  "source_bill_data": null,
  "external_ramp_id": "<string>",
  "currency": "<string>",
  "exchange_rate": 0,
  "exchange_rate_book": 0,
  "chat_id": -1,
  "entity": 123,
  "vendor": 123,
  "payment_term": 123,
  "journal_entry": 123,
  "source_file": 123,
  "tax_rate": 123,
  "ap_account": 123,
  "voided_journal_entry": 123
}
'

import requests

url = "https://api.meetcampfire.com/coa/api/v1/bill/{id}/"

payload = {
    "lines": [
        {
            "account": 123,
            "id": 123,
            "bill": 123,
            "description": "<string>",
            "amount": 0,
            "tax": 0,
            "tax_description": "<string>",
            "source": "<string>",
            "source_id": "<string>",
            "currency": "<string>",
            "tax_rate": 123,
            "bill_customer": 123,
            "department": 123
        }
    ],
    "item_date": "2023-12-25",
    "migrated_journal_id": 123,
    "chat_uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "mailing_address": "<string>",
    "bill_number": "<string>",
    "bill_date": "2023-12-25",
    "due_date": "2023-12-25",
    "paid_date": "2023-12-25",
    "message_on_bill": "<string>",
    "ita_allocation_number": "<string>",
    "source_id": "<string>",
    "source": "<string>",
    "source_bill_data": None,
    "external_ramp_id": "<string>",
    "currency": "<string>",
    "exchange_rate": 0,
    "exchange_rate_book": 0,
    "chat_id": -1,
    "entity": 123,
    "vendor": 123,
    "payment_term": 123,
    "journal_entry": 123,
    "source_file": 123,
    "tax_rate": 123,
    "ap_account": 123,
    "voided_journal_entry": 123
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    lines: [
      {
        account: 123,
        id: 123,
        bill: 123,
        description: '<string>',
        amount: 0,
        tax: 0,
        tax_description: '<string>',
        source: '<string>',
        source_id: '<string>',
        currency: '<string>',
        tax_rate: 123,
        bill_customer: 123,
        department: 123
      }
    ],
    item_date: '2023-12-25',
    migrated_journal_id: 123,
    chat_uuid: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    mailing_address: '<string>',
    bill_number: '<string>',
    bill_date: '2023-12-25',
    due_date: '2023-12-25',
    paid_date: '2023-12-25',
    message_on_bill: '<string>',
    ita_allocation_number: '<string>',
    source_id: '<string>',
    source: '<string>',
    source_bill_data: null,
    external_ramp_id: '<string>',
    currency: '<string>',
    exchange_rate: 0,
    exchange_rate_book: 0,
    chat_id: -1,
    entity: 123,
    vendor: 123,
    payment_term: 123,
    journal_entry: 123,
    source_file: 123,
    tax_rate: 123,
    ap_account: 123,
    voided_journal_entry: 123
  })
};

fetch('https://api.meetcampfire.com/coa/api/v1/bill/{id}/', 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.meetcampfire.com/coa/api/v1/bill/{id}/",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'lines' => [
        [
                'account' => 123,
                'id' => 123,
                'bill' => 123,
                'description' => '<string>',
                'amount' => 0,
                'tax' => 0,
                'tax_description' => '<string>',
                'source' => '<string>',
                'source_id' => '<string>',
                'currency' => '<string>',
                'tax_rate' => 123,
                'bill_customer' => 123,
                'department' => 123
        ]
    ],
    'item_date' => '2023-12-25',
    'migrated_journal_id' => 123,
    'chat_uuid' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'mailing_address' => '<string>',
    'bill_number' => '<string>',
    'bill_date' => '2023-12-25',
    'due_date' => '2023-12-25',
    'paid_date' => '2023-12-25',
    'message_on_bill' => '<string>',
    'ita_allocation_number' => '<string>',
    'source_id' => '<string>',
    'source' => '<string>',
    'source_bill_data' => null,
    'external_ramp_id' => '<string>',
    'currency' => '<string>',
    'exchange_rate' => 0,
    'exchange_rate_book' => 0,
    'chat_id' => -1,
    'entity' => 123,
    'vendor' => 123,
    'payment_term' => 123,
    'journal_entry' => 123,
    'source_file' => 123,
    'tax_rate' => 123,
    'ap_account' => 123,
    'voided_journal_entry' => 123
  ]),
  CURLOPT_HTTPHEADER => [
    "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.meetcampfire.com/coa/api/v1/bill/{id}/"

	payload := strings.NewReader("{\n  \"lines\": [\n    {\n      \"account\": 123,\n      \"id\": 123,\n      \"bill\": 123,\n      \"description\": \"<string>\",\n      \"amount\": 0,\n      \"tax\": 0,\n      \"tax_description\": \"<string>\",\n      \"source\": \"<string>\",\n      \"source_id\": \"<string>\",\n      \"currency\": \"<string>\",\n      \"tax_rate\": 123,\n      \"bill_customer\": 123,\n      \"department\": 123\n    }\n  ],\n  \"item_date\": \"2023-12-25\",\n  \"migrated_journal_id\": 123,\n  \"chat_uuid\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"mailing_address\": \"<string>\",\n  \"bill_number\": \"<string>\",\n  \"bill_date\": \"2023-12-25\",\n  \"due_date\": \"2023-12-25\",\n  \"paid_date\": \"2023-12-25\",\n  \"message_on_bill\": \"<string>\",\n  \"ita_allocation_number\": \"<string>\",\n  \"source_id\": \"<string>\",\n  \"source\": \"<string>\",\n  \"source_bill_data\": null,\n  \"external_ramp_id\": \"<string>\",\n  \"currency\": \"<string>\",\n  \"exchange_rate\": 0,\n  \"exchange_rate_book\": 0,\n  \"chat_id\": -1,\n  \"entity\": 123,\n  \"vendor\": 123,\n  \"payment_term\": 123,\n  \"journal_entry\": 123,\n  \"source_file\": 123,\n  \"tax_rate\": 123,\n  \"ap_account\": 123,\n  \"voided_journal_entry\": 123\n}")

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

	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.patch("https://api.meetcampfire.com/coa/api/v1/bill/{id}/")
  .header("Content-Type", "application/json")
  .body("{\n  \"lines\": [\n    {\n      \"account\": 123,\n      \"id\": 123,\n      \"bill\": 123,\n      \"description\": \"<string>\",\n      \"amount\": 0,\n      \"tax\": 0,\n      \"tax_description\": \"<string>\",\n      \"source\": \"<string>\",\n      \"source_id\": \"<string>\",\n      \"currency\": \"<string>\",\n      \"tax_rate\": 123,\n      \"bill_customer\": 123,\n      \"department\": 123\n    }\n  ],\n  \"item_date\": \"2023-12-25\",\n  \"migrated_journal_id\": 123,\n  \"chat_uuid\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"mailing_address\": \"<string>\",\n  \"bill_number\": \"<string>\",\n  \"bill_date\": \"2023-12-25\",\n  \"due_date\": \"2023-12-25\",\n  \"paid_date\": \"2023-12-25\",\n  \"message_on_bill\": \"<string>\",\n  \"ita_allocation_number\": \"<string>\",\n  \"source_id\": \"<string>\",\n  \"source\": \"<string>\",\n  \"source_bill_data\": null,\n  \"external_ramp_id\": \"<string>\",\n  \"currency\": \"<string>\",\n  \"exchange_rate\": 0,\n  \"exchange_rate_book\": 0,\n  \"chat_id\": -1,\n  \"entity\": 123,\n  \"vendor\": 123,\n  \"payment_term\": 123,\n  \"journal_entry\": 123,\n  \"source_file\": 123,\n  \"tax_rate\": 123,\n  \"ap_account\": 123,\n  \"voided_journal_entry\": 123\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.meetcampfire.com/coa/api/v1/bill/{id}/")

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

request = Net::HTTP::Patch.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"lines\": [\n    {\n      \"account\": 123,\n      \"id\": 123,\n      \"bill\": 123,\n      \"description\": \"<string>\",\n      \"amount\": 0,\n      \"tax\": 0,\n      \"tax_description\": \"<string>\",\n      \"source\": \"<string>\",\n      \"source_id\": \"<string>\",\n      \"currency\": \"<string>\",\n      \"tax_rate\": 123,\n      \"bill_customer\": 123,\n      \"department\": 123\n    }\n  ],\n  \"item_date\": \"2023-12-25\",\n  \"migrated_journal_id\": 123,\n  \"chat_uuid\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"mailing_address\": \"<string>\",\n  \"bill_number\": \"<string>\",\n  \"bill_date\": \"2023-12-25\",\n  \"due_date\": \"2023-12-25\",\n  \"paid_date\": \"2023-12-25\",\n  \"message_on_bill\": \"<string>\",\n  \"ita_allocation_number\": \"<string>\",\n  \"source_id\": \"<string>\",\n  \"source\": \"<string>\",\n  \"source_bill_data\": null,\n  \"external_ramp_id\": \"<string>\",\n  \"currency\": \"<string>\",\n  \"exchange_rate\": 0,\n  \"exchange_rate_book\": 0,\n  \"chat_id\": -1,\n  \"entity\": 123,\n  \"vendor\": 123,\n  \"payment_term\": 123,\n  \"journal_entry\": 123,\n  \"source_file\": 123,\n  \"tax_rate\": 123,\n  \"ap_account\": 123,\n  \"voided_journal_entry\": 123\n}"

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

{
  "id": 123,
  "lines": [
    {
      "account_number": "<string>",
      "account_name": "<string>",
      "department_name": "<string>",
      "department_code": "<string>",
      "bill_customer_name": "<string>",
      "tags": [
        {}
      ],
      "amortization_schedule": [
        {
          "journal_entry_order": "<string>",
          "date": "2023-12-25",
          "amount": 0,
          "customer": 123,
          "id": 123,
          "posted": true,
          "transaction": 123,
          "bill_line": 123,
          "debit_memo_line": 123,
          "journal_entry": 123
        }
      ],
      "tax_rate_name": "<string>",
      "tax_rate_value": 0,
      "tag_ids": [
        0
      ],
      "tag_group_ids": [
        0
      ],
      "created_at": "2023-11-07T05:31:56Z",
      "last_modified_at": "2023-11-07T05:31:56Z",
      "customer": 123,
      "account": 123,
      "id": 123,
      "description": "<string>",
      "amount": 0,
      "tax": 0,
      "tax_description": "<string>",
      "source": "<string>",
      "source_id": "<string>",
      "currency": "<string>",
      "tax_rate": 123,
      "bill_customer": 123,
      "department": 123
    }
  ],
  "payments": [
    {
      "id": 123,
      "payment_transaction_bank_description": "<string>",
      "payment_journal_entry_order": "<string>",
      "voided_journal_entry_order": "<string>",
      "withheld_amount": 123,
      "applied_debit_memo": {},
      "created_at": "2023-11-07T05:31:56Z",
      "last_modified_at": "2023-11-07T05:31:56Z",
      "customer": 123,
      "bill": 123,
      "payment_journal_entry": 123,
      "currency": "<string>",
      "amount": 0,
      "payment_date": "2023-12-25",
      "source": "<string>",
      "source_id": "<string>",
      "voided_date": "2023-12-25",
      "payment_transaction": 123,
      "voided_journal_entry": 123
    }
  ],
  "payment_journal_entries": [
    123
  ],
  "status": "<string>",
  "past_due_days": 123,
  "entity_name": "<string>",
  "entity_currency": "<string>",
  "vendor_name": "<string>",
  "vendor_campfire_id": "<string>",
  "ap_account_name": "<string>",
  "attachments": [
    {
      "id": 123,
      "customer": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "created_by": 123,
      "created_by_name": "<string>",
      "created_by_email": "<string>",
      "last_modified_at": "2023-11-07T05:31:56Z",
      "name": "<string>",
      "url": "<string>",
      "s3_path": "<string>",
      "app": "<string>",
      "model": "<string>",
      "is_deleted": false,
      "deleted_at": "2023-11-07T05:31:56Z",
      "s3_content_type": "<string>",
      "s3_content_length": 1073741823,
      "object_id": 1073741823
    }
  ],
  "total_amount": 0,
  "amount_due": 123,
  "amount_paid": 0,
  "voided_date": "2023-12-25",
  "voided_journal_entry_order": "<string>",
  "amortizations": "<string>",
  "last_modified_at": "2023-11-07T05:31:56Z",
  "ramp_use_sandbox": "<string>",
  "navan_region": "<string>",
  "zip_metadata": "<string>",
  "is_deleted": false,
  "deleted_at": "2023-11-07T05:31:56Z",
  "payment_term_name": "<string>",
  "withholding_info": {},
  "search_vector": "<string>",
  "search_text": "<string>",
  "bill_number": "<string>",
  "bill_date": "2023-12-25",
  "due_date": "2023-12-25",
  "created_at": "2023-11-07T05:31:56Z",
  "customer": 123,
  "entity": 123,
  "vendor": 123,
  "item_date": "2023-12-25",
  "mailing_address": "<string>",
  "terms": "custom",
  "paid_date": "2023-12-25",
  "message_on_bill": "<string>",
  "ita_allocation_number": "<string>",
  "ita_bill_type": "other",
  "source_id": "<string>",
  "source": "<string>",
  "source_bill_data": null,
  "external_ramp_id": "<string>",
  "payment_status": "partial",
  "currency": "<string>",
  "exchange_rate": 0,
  "exchange_rate_book": 0,
  "tax_behavior": "inclusive",
  "bill_type": "BILL",
  "chat_id": -1,
  "payment_term": 123,
  "journal_entry": 123,
  "source_file": 123,
  "tax_rate": 123,
  "ap_account": 123,
  "voided_journal_entry": 123
}