Update an order (PUT)

curl --request PUT \
  --url https://api.fluid.app/api/orders/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "order": {
    "note": "Leave the cases at the loading dock on Slough Avenue.",
    "external_id": "NS-SO-77120",
    "metadata": {
      "sales_channel": "phone"
    },
    "metafields": [
      {
        "namespace": "custom",
        "key": "purchase_order",
        "value": "PO-2026-0917",
        "value_type": "string"
      }
    ]
  }
}
'

import requests

url = "https://api.fluid.app/api/orders/{id}"

payload = { "order": {
        "note": "Leave the cases at the loading dock on Slough Avenue.",
        "external_id": "NS-SO-77120",
        "metadata": { "sales_channel": "phone" },
        "metafields": [
            {
                "namespace": "custom",
                "key": "purchase_order",
                "value": "PO-2026-0917",
                "value_type": "string"
            }
        ]
    } }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    order: {
      note: 'Leave the cases at the loading dock on Slough Avenue.',
      external_id: 'NS-SO-77120',
      metadata: {sales_channel: 'phone'},
      metafields: [
        {
          namespace: 'custom',
          key: 'purchase_order',
          value: 'PO-2026-0917',
          value_type: 'string'
        }
      ]
    }
  })
};

fetch('https://api.fluid.app/api/orders/{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.fluid.app/api/orders/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'order' => [
        'note' => 'Leave the cases at the loading dock on Slough Avenue.',
        'external_id' => 'NS-SO-77120',
        'metadata' => [
                'sales_channel' => 'phone'
        ],
        'metafields' => [
                [
                                'namespace' => 'custom',
                                'key' => 'purchase_order',
                                'value' => 'PO-2026-0917',
                                'value_type' => 'string'
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.fluid.app/api/orders/{id}"

	payload := strings.NewReader("{\n  \"order\": {\n    \"note\": \"Leave the cases at the loading dock on Slough Avenue.\",\n    \"external_id\": \"NS-SO-77120\",\n    \"metadata\": {\n      \"sales_channel\": \"phone\"\n    },\n    \"metafields\": [\n      {\n        \"namespace\": \"custom\",\n        \"key\": \"purchase_order\",\n        \"value\": \"PO-2026-0917\",\n        \"value_type\": \"string\"\n      }\n    ]\n  }\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.put("https://api.fluid.app/api/orders/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"order\": {\n    \"note\": \"Leave the cases at the loading dock on Slough Avenue.\",\n    \"external_id\": \"NS-SO-77120\",\n    \"metadata\": {\n      \"sales_channel\": \"phone\"\n    },\n    \"metafields\": [\n      {\n        \"namespace\": \"custom\",\n        \"key\": \"purchase_order\",\n        \"value\": \"PO-2026-0917\",\n        \"value_type\": \"string\"\n      }\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fluid.app/api/orders/{id}")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"order\": {\n    \"note\": \"Leave the cases at the loading dock on Slough Avenue.\",\n    \"external_id\": \"NS-SO-77120\",\n    \"metadata\": {\n      \"sales_channel\": \"phone\"\n    },\n    \"metafields\": [\n      {\n        \"namespace\": \"custom\",\n        \"key\": \"purchase_order\",\n        \"value\": \"PO-2026-0917\",\n        \"value_type\": \"string\"\n      }\n    ]\n  }\n}"

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

{
  "order": {
    "id": 48213,
    "order_number": "DM-10482",
    "token": "fo_7Kq2ZtW9xYbN4cRhJ3mLpV",
    "enrollment_member_type": null,
    "resulting_member_type": null,
    "pricing_snapshot": null,
    "external_id": "NS-SO-77120",
    "email": "holly.flax@dundermifflin.com",
    "first_name": "Holly",
    "last_name": "Flax",
    "status": "awaiting_shipment",
    "order_status": "completed",
    "financial_status": "paid",
    "fulfillment_status": "unfulfilled",
    "source": "admin",
    "currency_code": "USD",
    "currency_symbol": "$",
    "amount": "63.41",
    "subtotal": "54.99",
    "tax": "4.42",
    "shipping": "4.0",
    "note": "Leave the cases at the loading dock on Slough Avenue.",
    "warehouse_id": 311,
    "items_count": 1,
    "quantity_count": 1,
    "company_subdomain": "dunder-mifflin",
    "primary_domain_hostname": "shop.dundermifflin.com",
    "created_at": "2026-09-14T15:40:52Z",
    "updated_at": "2026-09-14T16:05:11Z"
  },
  "meta": {
    "request_id": "5e2a8c14-7d3b-4f96-a0c1-9b6e3d2f8a47",
    "timestamp": "2026-09-14T16:05:11Z",
    "shop_url": "https://shop.dundermifflin.com"
  }
}

{
  "message": "<string>"
}

{
  "message": "<string>",
  "error": "<string>",
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z",
    "code": "<string>",
    "blocked_date": "2026-11-30",
    "blocked_day": 30,
    "allowed_date": "2026-11-28",
    "payment_uuid": "<string>",
    "error_details": [
      {
        "code": "<string>",
        "field": "<string>",
        "payment": "not_attempted",
        "message": "<string>"
      }
    ],
    "coded_recovery": true
  }
}

{
  "error_message": "unprocessable entity",
  "errors": {
    "metadata": [
      "tax_and_shipping_settings requires order read access"
    ]
  }
}