curl --request PATCH \
  --url https://api.zivio.net/api/v3/invoices/{id} \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --header 'zivio-tenant-id: <api-key>' \
  --data '
{
  "id": "1",
  "status": "draft",
  "job_id": "23",
  "job_summary": "Some text about the project",
  "net_total": "16000.00",
  "tax_total": "2000.00",
  "total": "18000.00",
  "ccy": "GBP",
  "due_on": "2023-11-07T05:31:56Z",
  "milestone_id": "435",
  "line_item_sheet_id": "234",
  "credit_note_id": "124",
  "is_credit_note": "null",
  "credit_note_reason": "invoice paid in error",
  "invoice_items": [
    {
      "id": "1",
      "invoice_id": "123",
      "milestone_id": "3654",
      "line_item_sheet_id": "3645",
      "purchase_order_line_id": "284",
      "description": "Some text about the item",
      "quantity": "10.0",
      "unit_type": "milestone",
      "billing_start": "YYYY-MM-DD",
      "billing_end": "YYYY-MM-DD",
      "ccy": "GBP",
      "unit_cost": "30000.00",
      "net_total_price": "30000.00",
      "tax_rate": "20.0",
      "tax_total": "6000.00",
      "total_price": "36000.00",
      "tax_type": {
        "id": "123",
        "label": "UK VAT",
        "key": "cis_registered_contractors_deduction",
        "rate": "20.0",
        "country_code": "GB",
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z",
        "archived": "false",
        "custom_fields": {
          "key": "value"
        }
      }
    }
  ],
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "approved_at": "2023-11-07T05:31:56Z",
  "approved_by": {
    "id": "7158",
    "first_name": "Jack",
    "last_name": "Jones",
    "email": "jack_jones@example.com",
    "org_name": "Organisation Ltd",
    "org_id": "567",
    "business_unit": "Public Private Partnerships",
    "division": "Infastructure",
    "department": "Bridges",
    "vetting_status": "PASSED",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "custom_fields": {
      "key": "value"
    },
    "has_oversight": "<string>"
  },
  "client": {
    "id": "7158",
    "first_name": "Jack",
    "last_name": "Jones",
    "email": "jack_jones@example.com",
    "org_name": "Organisation Ltd",
    "org_id": "567",
    "business_unit": "Public Private Partnerships",
    "division": "Infastructure",
    "department": "Bridge Building",
    "vetting_status": "PASSED",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "custom_fields": {
      "key": "value"
    },
    "has_oversight": "<string>"
  },
  "client_org": {
    "id": "7158",
    "name": "Company Ltd",
    "is_external_client": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "supplier": {
    "id": "77",
    "name": "Company Inc",
    "email": "jack_jones@companyinc.com",
    "vetting_status": "PASSED",
    "tax_number": "9876543234",
    "tax_registered": "true",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}
'

import requests

url = "https://api.zivio.net/api/v3/invoices/{id}"

payload = {
    "id": "1",
    "status": "draft",
    "job_id": "23",
    "job_summary": "Some text about the project",
    "net_total": "16000.00",
    "tax_total": "2000.00",
    "total": "18000.00",
    "ccy": "GBP",
    "due_on": "2023-11-07T05:31:56Z",
    "milestone_id": "435",
    "line_item_sheet_id": "234",
    "credit_note_id": "124",
    "is_credit_note": "null",
    "credit_note_reason": "invoice paid in error",
    "invoice_items": [
        {
            "id": "1",
            "invoice_id": "123",
            "milestone_id": "3654",
            "line_item_sheet_id": "3645",
            "purchase_order_line_id": "284",
            "description": "Some text about the item",
            "quantity": "10.0",
            "unit_type": "milestone",
            "billing_start": "YYYY-MM-DD",
            "billing_end": "YYYY-MM-DD",
            "ccy": "GBP",
            "unit_cost": "30000.00",
            "net_total_price": "30000.00",
            "tax_rate": "20.0",
            "tax_total": "6000.00",
            "total_price": "36000.00",
            "tax_type": {
                "id": "123",
                "label": "UK VAT",
                "key": "cis_registered_contractors_deduction",
                "rate": "20.0",
                "country_code": "GB",
                "created_at": "2023-11-07T05:31:56Z",
                "updated_at": "2023-11-07T05:31:56Z",
                "archived": "false",
                "custom_fields": { "key": "value" }
            }
        }
    ],
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "approved_at": "2023-11-07T05:31:56Z",
    "approved_by": {
        "id": "7158",
        "first_name": "Jack",
        "last_name": "Jones",
        "email": "jack_jones@example.com",
        "org_name": "Organisation Ltd",
        "org_id": "567",
        "business_unit": "Public Private Partnerships",
        "division": "Infastructure",
        "department": "Bridges",
        "vetting_status": "PASSED",
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z",
        "custom_fields": { "key": "value" },
        "has_oversight": "<string>"
    },
    "client": {
        "id": "7158",
        "first_name": "Jack",
        "last_name": "Jones",
        "email": "jack_jones@example.com",
        "org_name": "Organisation Ltd",
        "org_id": "567",
        "business_unit": "Public Private Partnerships",
        "division": "Infastructure",
        "department": "Bridge Building",
        "vetting_status": "PASSED",
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z",
        "custom_fields": { "key": "value" },
        "has_oversight": "<string>"
    },
    "client_org": {
        "id": "7158",
        "name": "Company Ltd",
        "is_external_client": "<string>",
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z"
    },
    "supplier": {
        "id": "77",
        "name": "Company Inc",
        "email": "jack_jones@companyinc.com",
        "vetting_status": "PASSED",
        "tax_number": "9876543234",
        "tax_registered": "true",
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z"
    }
}
headers = {
    "X-API-Key": "<api-key>",
    "zivio-tenant-id": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {
    'X-API-Key': '<api-key>',
    'zivio-tenant-id': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    id: '1',
    status: 'draft',
    job_id: '23',
    job_summary: 'Some text about the project',
    net_total: '16000.00',
    tax_total: '2000.00',
    total: '18000.00',
    ccy: 'GBP',
    due_on: '2023-11-07T05:31:56Z',
    milestone_id: '435',
    line_item_sheet_id: '234',
    credit_note_id: '124',
    is_credit_note: 'null',
    credit_note_reason: 'invoice paid in error',
    invoice_items: [
      {
        id: '1',
        invoice_id: '123',
        milestone_id: '3654',
        line_item_sheet_id: '3645',
        purchase_order_line_id: '284',
        description: 'Some text about the item',
        quantity: '10.0',
        unit_type: 'milestone',
        billing_start: 'YYYY-MM-DD',
        billing_end: 'YYYY-MM-DD',
        ccy: 'GBP',
        unit_cost: '30000.00',
        net_total_price: '30000.00',
        tax_rate: '20.0',
        tax_total: '6000.00',
        total_price: '36000.00',
        tax_type: {
          id: '123',
          label: 'UK VAT',
          key: 'cis_registered_contractors_deduction',
          rate: '20.0',
          country_code: 'GB',
          created_at: '2023-11-07T05:31:56Z',
          updated_at: '2023-11-07T05:31:56Z',
          archived: 'false',
          custom_fields: {key: 'value'}
        }
      }
    ],
    created_at: '2023-11-07T05:31:56Z',
    updated_at: '2023-11-07T05:31:56Z',
    approved_at: '2023-11-07T05:31:56Z',
    approved_by: {
      id: '7158',
      first_name: 'Jack',
      last_name: 'Jones',
      email: 'jack_jones@example.com',
      org_name: 'Organisation Ltd',
      org_id: '567',
      business_unit: 'Public Private Partnerships',
      division: 'Infastructure',
      department: 'Bridges',
      vetting_status: 'PASSED',
      created_at: '2023-11-07T05:31:56Z',
      updated_at: '2023-11-07T05:31:56Z',
      custom_fields: {key: 'value'},
      has_oversight: '<string>'
    },
    client: {
      id: '7158',
      first_name: 'Jack',
      last_name: 'Jones',
      email: 'jack_jones@example.com',
      org_name: 'Organisation Ltd',
      org_id: '567',
      business_unit: 'Public Private Partnerships',
      division: 'Infastructure',
      department: 'Bridge Building',
      vetting_status: 'PASSED',
      created_at: '2023-11-07T05:31:56Z',
      updated_at: '2023-11-07T05:31:56Z',
      custom_fields: {key: 'value'},
      has_oversight: '<string>'
    },
    client_org: {
      id: '7158',
      name: 'Company Ltd',
      is_external_client: '<string>',
      created_at: '2023-11-07T05:31:56Z',
      updated_at: '2023-11-07T05:31:56Z'
    },
    supplier: {
      id: '77',
      name: 'Company Inc',
      email: 'jack_jones@companyinc.com',
      vetting_status: 'PASSED',
      tax_number: '9876543234',
      tax_registered: 'true',
      created_at: '2023-11-07T05:31:56Z',
      updated_at: '2023-11-07T05:31:56Z'
    }
  })
};

fetch('https://api.zivio.net/api/v3/invoices/{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.zivio.net/api/v3/invoices/{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([
    'id' => '1',
    'status' => 'draft',
    'job_id' => '23',
    'job_summary' => 'Some text about the project',
    'net_total' => '16000.00',
    'tax_total' => '2000.00',
    'total' => '18000.00',
    'ccy' => 'GBP',
    'due_on' => '2023-11-07T05:31:56Z',
    'milestone_id' => '435',
    'line_item_sheet_id' => '234',
    'credit_note_id' => '124',
    'is_credit_note' => 'null',
    'credit_note_reason' => 'invoice paid in error',
    'invoice_items' => [
        [
                'id' => '1',
                'invoice_id' => '123',
                'milestone_id' => '3654',
                'line_item_sheet_id' => '3645',
                'purchase_order_line_id' => '284',
                'description' => 'Some text about the item',
                'quantity' => '10.0',
                'unit_type' => 'milestone',
                'billing_start' => 'YYYY-MM-DD',
                'billing_end' => 'YYYY-MM-DD',
                'ccy' => 'GBP',
                'unit_cost' => '30000.00',
                'net_total_price' => '30000.00',
                'tax_rate' => '20.0',
                'tax_total' => '6000.00',
                'total_price' => '36000.00',
                'tax_type' => [
                                'id' => '123',
                                'label' => 'UK VAT',
                                'key' => 'cis_registered_contractors_deduction',
                                'rate' => '20.0',
                                'country_code' => 'GB',
                                'created_at' => '2023-11-07T05:31:56Z',
                                'updated_at' => '2023-11-07T05:31:56Z',
                                'archived' => 'false',
                                'custom_fields' => [
                                                                'key' => 'value'
                                ]
                ]
        ]
    ],
    'created_at' => '2023-11-07T05:31:56Z',
    'updated_at' => '2023-11-07T05:31:56Z',
    'approved_at' => '2023-11-07T05:31:56Z',
    'approved_by' => [
        'id' => '7158',
        'first_name' => 'Jack',
        'last_name' => 'Jones',
        'email' => 'jack_jones@example.com',
        'org_name' => 'Organisation Ltd',
        'org_id' => '567',
        'business_unit' => 'Public Private Partnerships',
        'division' => 'Infastructure',
        'department' => 'Bridges',
        'vetting_status' => 'PASSED',
        'created_at' => '2023-11-07T05:31:56Z',
        'updated_at' => '2023-11-07T05:31:56Z',
        'custom_fields' => [
                'key' => 'value'
        ],
        'has_oversight' => '<string>'
    ],
    'client' => [
        'id' => '7158',
        'first_name' => 'Jack',
        'last_name' => 'Jones',
        'email' => 'jack_jones@example.com',
        'org_name' => 'Organisation Ltd',
        'org_id' => '567',
        'business_unit' => 'Public Private Partnerships',
        'division' => 'Infastructure',
        'department' => 'Bridge Building',
        'vetting_status' => 'PASSED',
        'created_at' => '2023-11-07T05:31:56Z',
        'updated_at' => '2023-11-07T05:31:56Z',
        'custom_fields' => [
                'key' => 'value'
        ],
        'has_oversight' => '<string>'
    ],
    'client_org' => [
        'id' => '7158',
        'name' => 'Company Ltd',
        'is_external_client' => '<string>',
        'created_at' => '2023-11-07T05:31:56Z',
        'updated_at' => '2023-11-07T05:31:56Z'
    ],
    'supplier' => [
        'id' => '77',
        'name' => 'Company Inc',
        'email' => 'jack_jones@companyinc.com',
        'vetting_status' => 'PASSED',
        'tax_number' => '9876543234',
        'tax_registered' => 'true',
        'created_at' => '2023-11-07T05:31:56Z',
        'updated_at' => '2023-11-07T05:31:56Z'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <api-key>",
    "zivio-tenant-id: <api-key>"
  ],
]);

$response = curl_exec($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.zivio.net/api/v3/invoices/{id}"

	payload := strings.NewReader("{\n  \"id\": \"1\",\n  \"status\": \"draft\",\n  \"job_id\": \"23\",\n  \"job_summary\": \"Some text about the project\",\n  \"net_total\": \"16000.00\",\n  \"tax_total\": \"2000.00\",\n  \"total\": \"18000.00\",\n  \"ccy\": \"GBP\",\n  \"due_on\": \"2023-11-07T05:31:56Z\",\n  \"milestone_id\": \"435\",\n  \"line_item_sheet_id\": \"234\",\n  \"credit_note_id\": \"124\",\n  \"is_credit_note\": \"null\",\n  \"credit_note_reason\": \"invoice paid in error\",\n  \"invoice_items\": [\n    {\n      \"id\": \"1\",\n      \"invoice_id\": \"123\",\n      \"milestone_id\": \"3654\",\n      \"line_item_sheet_id\": \"3645\",\n      \"purchase_order_line_id\": \"284\",\n      \"description\": \"Some text about the item\",\n      \"quantity\": \"10.0\",\n      \"unit_type\": \"milestone\",\n      \"billing_start\": \"YYYY-MM-DD\",\n      \"billing_end\": \"YYYY-MM-DD\",\n      \"ccy\": \"GBP\",\n      \"unit_cost\": \"30000.00\",\n      \"net_total_price\": \"30000.00\",\n      \"tax_rate\": \"20.0\",\n      \"tax_total\": \"6000.00\",\n      \"total_price\": \"36000.00\",\n      \"tax_type\": {\n        \"id\": \"123\",\n        \"label\": \"UK VAT\",\n        \"key\": \"cis_registered_contractors_deduction\",\n        \"rate\": \"20.0\",\n        \"country_code\": \"GB\",\n        \"created_at\": \"2023-11-07T05:31:56Z\",\n        \"updated_at\": \"2023-11-07T05:31:56Z\",\n        \"archived\": \"false\",\n        \"custom_fields\": {\n          \"key\": \"value\"\n        }\n      }\n    }\n  ],\n  \"created_at\": \"2023-11-07T05:31:56Z\",\n  \"updated_at\": \"2023-11-07T05:31:56Z\",\n  \"approved_at\": \"2023-11-07T05:31:56Z\",\n  \"approved_by\": {\n    \"id\": \"7158\",\n    \"first_name\": \"Jack\",\n    \"last_name\": \"Jones\",\n    \"email\": \"jack_jones@example.com\",\n    \"org_name\": \"Organisation Ltd\",\n    \"org_id\": \"567\",\n    \"business_unit\": \"Public Private Partnerships\",\n    \"division\": \"Infastructure\",\n    \"department\": \"Bridges\",\n    \"vetting_status\": \"PASSED\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\",\n    \"custom_fields\": {\n      \"key\": \"value\"\n    },\n    \"has_oversight\": \"<string>\"\n  },\n  \"client\": {\n    \"id\": \"7158\",\n    \"first_name\": \"Jack\",\n    \"last_name\": \"Jones\",\n    \"email\": \"jack_jones@example.com\",\n    \"org_name\": \"Organisation Ltd\",\n    \"org_id\": \"567\",\n    \"business_unit\": \"Public Private Partnerships\",\n    \"division\": \"Infastructure\",\n    \"department\": \"Bridge Building\",\n    \"vetting_status\": \"PASSED\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\",\n    \"custom_fields\": {\n      \"key\": \"value\"\n    },\n    \"has_oversight\": \"<string>\"\n  },\n  \"client_org\": {\n    \"id\": \"7158\",\n    \"name\": \"Company Ltd\",\n    \"is_external_client\": \"<string>\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\"\n  },\n  \"supplier\": {\n    \"id\": \"77\",\n    \"name\": \"Company Inc\",\n    \"email\": \"jack_jones@companyinc.com\",\n    \"vetting_status\": \"PASSED\",\n    \"tax_number\": \"9876543234\",\n    \"tax_registered\": \"true\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\"\n  }\n}")

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

	req.Header.Add("X-API-Key", "<api-key>")
	req.Header.Add("zivio-tenant-id", "<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.patch("https://api.zivio.net/api/v3/invoices/{id}")
  .header("X-API-Key", "<api-key>")
  .header("zivio-tenant-id", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"id\": \"1\",\n  \"status\": \"draft\",\n  \"job_id\": \"23\",\n  \"job_summary\": \"Some text about the project\",\n  \"net_total\": \"16000.00\",\n  \"tax_total\": \"2000.00\",\n  \"total\": \"18000.00\",\n  \"ccy\": \"GBP\",\n  \"due_on\": \"2023-11-07T05:31:56Z\",\n  \"milestone_id\": \"435\",\n  \"line_item_sheet_id\": \"234\",\n  \"credit_note_id\": \"124\",\n  \"is_credit_note\": \"null\",\n  \"credit_note_reason\": \"invoice paid in error\",\n  \"invoice_items\": [\n    {\n      \"id\": \"1\",\n      \"invoice_id\": \"123\",\n      \"milestone_id\": \"3654\",\n      \"line_item_sheet_id\": \"3645\",\n      \"purchase_order_line_id\": \"284\",\n      \"description\": \"Some text about the item\",\n      \"quantity\": \"10.0\",\n      \"unit_type\": \"milestone\",\n      \"billing_start\": \"YYYY-MM-DD\",\n      \"billing_end\": \"YYYY-MM-DD\",\n      \"ccy\": \"GBP\",\n      \"unit_cost\": \"30000.00\",\n      \"net_total_price\": \"30000.00\",\n      \"tax_rate\": \"20.0\",\n      \"tax_total\": \"6000.00\",\n      \"total_price\": \"36000.00\",\n      \"tax_type\": {\n        \"id\": \"123\",\n        \"label\": \"UK VAT\",\n        \"key\": \"cis_registered_contractors_deduction\",\n        \"rate\": \"20.0\",\n        \"country_code\": \"GB\",\n        \"created_at\": \"2023-11-07T05:31:56Z\",\n        \"updated_at\": \"2023-11-07T05:31:56Z\",\n        \"archived\": \"false\",\n        \"custom_fields\": {\n          \"key\": \"value\"\n        }\n      }\n    }\n  ],\n  \"created_at\": \"2023-11-07T05:31:56Z\",\n  \"updated_at\": \"2023-11-07T05:31:56Z\",\n  \"approved_at\": \"2023-11-07T05:31:56Z\",\n  \"approved_by\": {\n    \"id\": \"7158\",\n    \"first_name\": \"Jack\",\n    \"last_name\": \"Jones\",\n    \"email\": \"jack_jones@example.com\",\n    \"org_name\": \"Organisation Ltd\",\n    \"org_id\": \"567\",\n    \"business_unit\": \"Public Private Partnerships\",\n    \"division\": \"Infastructure\",\n    \"department\": \"Bridges\",\n    \"vetting_status\": \"PASSED\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\",\n    \"custom_fields\": {\n      \"key\": \"value\"\n    },\n    \"has_oversight\": \"<string>\"\n  },\n  \"client\": {\n    \"id\": \"7158\",\n    \"first_name\": \"Jack\",\n    \"last_name\": \"Jones\",\n    \"email\": \"jack_jones@example.com\",\n    \"org_name\": \"Organisation Ltd\",\n    \"org_id\": \"567\",\n    \"business_unit\": \"Public Private Partnerships\",\n    \"division\": \"Infastructure\",\n    \"department\": \"Bridge Building\",\n    \"vetting_status\": \"PASSED\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\",\n    \"custom_fields\": {\n      \"key\": \"value\"\n    },\n    \"has_oversight\": \"<string>\"\n  },\n  \"client_org\": {\n    \"id\": \"7158\",\n    \"name\": \"Company Ltd\",\n    \"is_external_client\": \"<string>\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\"\n  },\n  \"supplier\": {\n    \"id\": \"77\",\n    \"name\": \"Company Inc\",\n    \"email\": \"jack_jones@companyinc.com\",\n    \"vetting_status\": \"PASSED\",\n    \"tax_number\": \"9876543234\",\n    \"tax_registered\": \"true\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.zivio.net/api/v3/invoices/{id}")

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

request = Net::HTTP::Patch.new(url)
request["X-API-Key"] = '<api-key>'
request["zivio-tenant-id"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"id\": \"1\",\n  \"status\": \"draft\",\n  \"job_id\": \"23\",\n  \"job_summary\": \"Some text about the project\",\n  \"net_total\": \"16000.00\",\n  \"tax_total\": \"2000.00\",\n  \"total\": \"18000.00\",\n  \"ccy\": \"GBP\",\n  \"due_on\": \"2023-11-07T05:31:56Z\",\n  \"milestone_id\": \"435\",\n  \"line_item_sheet_id\": \"234\",\n  \"credit_note_id\": \"124\",\n  \"is_credit_note\": \"null\",\n  \"credit_note_reason\": \"invoice paid in error\",\n  \"invoice_items\": [\n    {\n      \"id\": \"1\",\n      \"invoice_id\": \"123\",\n      \"milestone_id\": \"3654\",\n      \"line_item_sheet_id\": \"3645\",\n      \"purchase_order_line_id\": \"284\",\n      \"description\": \"Some text about the item\",\n      \"quantity\": \"10.0\",\n      \"unit_type\": \"milestone\",\n      \"billing_start\": \"YYYY-MM-DD\",\n      \"billing_end\": \"YYYY-MM-DD\",\n      \"ccy\": \"GBP\",\n      \"unit_cost\": \"30000.00\",\n      \"net_total_price\": \"30000.00\",\n      \"tax_rate\": \"20.0\",\n      \"tax_total\": \"6000.00\",\n      \"total_price\": \"36000.00\",\n      \"tax_type\": {\n        \"id\": \"123\",\n        \"label\": \"UK VAT\",\n        \"key\": \"cis_registered_contractors_deduction\",\n        \"rate\": \"20.0\",\n        \"country_code\": \"GB\",\n        \"created_at\": \"2023-11-07T05:31:56Z\",\n        \"updated_at\": \"2023-11-07T05:31:56Z\",\n        \"archived\": \"false\",\n        \"custom_fields\": {\n          \"key\": \"value\"\n        }\n      }\n    }\n  ],\n  \"created_at\": \"2023-11-07T05:31:56Z\",\n  \"updated_at\": \"2023-11-07T05:31:56Z\",\n  \"approved_at\": \"2023-11-07T05:31:56Z\",\n  \"approved_by\": {\n    \"id\": \"7158\",\n    \"first_name\": \"Jack\",\n    \"last_name\": \"Jones\",\n    \"email\": \"jack_jones@example.com\",\n    \"org_name\": \"Organisation Ltd\",\n    \"org_id\": \"567\",\n    \"business_unit\": \"Public Private Partnerships\",\n    \"division\": \"Infastructure\",\n    \"department\": \"Bridges\",\n    \"vetting_status\": \"PASSED\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\",\n    \"custom_fields\": {\n      \"key\": \"value\"\n    },\n    \"has_oversight\": \"<string>\"\n  },\n  \"client\": {\n    \"id\": \"7158\",\n    \"first_name\": \"Jack\",\n    \"last_name\": \"Jones\",\n    \"email\": \"jack_jones@example.com\",\n    \"org_name\": \"Organisation Ltd\",\n    \"org_id\": \"567\",\n    \"business_unit\": \"Public Private Partnerships\",\n    \"division\": \"Infastructure\",\n    \"department\": \"Bridge Building\",\n    \"vetting_status\": \"PASSED\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\",\n    \"custom_fields\": {\n      \"key\": \"value\"\n    },\n    \"has_oversight\": \"<string>\"\n  },\n  \"client_org\": {\n    \"id\": \"7158\",\n    \"name\": \"Company Ltd\",\n    \"is_external_client\": \"<string>\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\"\n  },\n  \"supplier\": {\n    \"id\": \"77\",\n    \"name\": \"Company Inc\",\n    \"email\": \"jack_jones@companyinc.com\",\n    \"vetting_status\": \"PASSED\",\n    \"tax_number\": \"9876543234\",\n    \"tax_registered\": \"true\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"updated_at\": \"2023-11-07T05:31:56Z\"\n  }\n}"

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

{
  "id": "1",
  "status": "draft",
  "job_id": "23",
  "job_summary": "Some text about the project",
  "net_total": "16000.00",
  "tax_total": "2000.00",
  "total": "18000.00",
  "ccy": "GBP",
  "due_on": "2023-11-07T05:31:56Z",
  "dated_on": "2023-11-07T05:31:56Z",
  "milestone_id": "435",
  "line_item_sheet_id": "234",
  "credit_note_id": "124",
  "is_credit_note": "null",
  "credit_note_reason": "invoice paid in error",
  "invoice_items": [
    {
      "id": "1",
      "invoice_id": "123",
      "milestone_id": "3654",
      "line_item_sheet_id": "3645",
      "purchase_order_line_id": "284",
      "description": "Some text about the item",
      "quantity": "10.0",
      "unit_type": "milestone",
      "billing_start": "YYYY-MM-DD",
      "billing_end": "YYYY-MM-DD",
      "ccy": "GBP",
      "unit_cost": "30000.00",
      "net_total_price": "30000.00",
      "tax_rate": "20.0",
      "tax_total": "6000.00",
      "total_price": "36000.00",
      "tax_type": {
        "id": "123",
        "label": "UK VAT",
        "key": "cis_registered_contractors_deduction",
        "rate": "20.0",
        "country_code": "GB",
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z",
        "archived": "false",
        "custom_fields": {
          "key": "value"
        }
      }
    }
  ],
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "approved_at": "2023-11-07T05:31:56Z",
  "approved_by": {
    "id": "7158",
    "first_name": "Jack",
    "last_name": "Jones",
    "email": "jack_jones@example.com",
    "org_name": "Organisation Ltd",
    "org_id": "567",
    "business_unit": "Public Private Partnerships",
    "division": "Infastructure",
    "department": "Bridges",
    "vetting_status": "PASSED",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "custom_fields": {
      "key": "value"
    },
    "has_oversight": "<string>"
  },
  "client": {
    "id": "7158",
    "first_name": "Jack",
    "last_name": "Jones",
    "email": "jack_jones@example.com",
    "org_name": "Organisation Ltd",
    "org_id": "567",
    "business_unit": "Public Private Partnerships",
    "division": "Infastructure",
    "department": "Bridge Building",
    "vetting_status": "PASSED",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "custom_fields": {
      "key": "value"
    },
    "has_oversight": "<string>"
  },
  "client_org": {
    "id": "7158",
    "name": "Company Ltd",
    "is_external_client": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "supplier": {
    "id": "77",
    "name": "Company Inc",
    "email": "jack_jones@companyinc.com",
    "vetting_status": "PASSED",
    "tax_number": "9876543234",
    "tax_registered": "true",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}