Updates a theme resource

curl --request PUT \
  --url https://api.fluid.app/api/application_themes/{application_theme_id}/resources \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data @- <<EOF
{
  "application_theme_resource": {
    "key": "product/paper_product_page/index.liquid",
    "content": "{% layout 'theme' %}\n<h1>{{ product.title }}</h1>\n<p>{{ product.sku }}</p>"
  },
  "base_sha": "9c3e1b7a42f06d58e2a91c4b7d03f6e85a12bc47"
}
EOF

import requests

url = "https://api.fluid.app/api/application_themes/{application_theme_id}/resources"

payload = {
    "application_theme_resource": {
        "key": "product/paper_product_page/index.liquid",
        "content": "{% layout 'theme' %}
<h1>{{ product.title }}</h1>
<p>{{ product.sku }}</p>"
    },
    "base_sha": "9c3e1b7a42f06d58e2a91c4b7d03f6e85a12bc47"
}
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({
    application_theme_resource: {
      key: 'product/paper_product_page/index.liquid',
      content: '{% layout \'theme\' %}\n<h1>{{ product.title }}</h1>\n<p>{{ product.sku }}</p>'
    },
    base_sha: '9c3e1b7a42f06d58e2a91c4b7d03f6e85a12bc47'
  })
};

fetch('https://api.fluid.app/api/application_themes/{application_theme_id}/resources', 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/application_themes/{application_theme_id}/resources",
  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([
    'application_theme_resource' => [
        'key' => 'product/paper_product_page/index.liquid',
        'content' => '{% layout \'theme\' %}
<h1>{{ product.title }}</h1>
<p>{{ product.sku }}</p>'
    ],
    'base_sha' => '9c3e1b7a42f06d58e2a91c4b7d03f6e85a12bc47'
  ]),
  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/application_themes/{application_theme_id}/resources"

	payload := strings.NewReader("{\n  \"application_theme_resource\": {\n    \"key\": \"product/paper_product_page/index.liquid\",\n    \"content\": \"{% layout 'theme' %}\\n<h1>{{ product.title }}</h1>\\n<p>{{ product.sku }}</p>\"\n  },\n  \"base_sha\": \"9c3e1b7a42f06d58e2a91c4b7d03f6e85a12bc47\"\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/application_themes/{application_theme_id}/resources")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"application_theme_resource\": {\n    \"key\": \"product/paper_product_page/index.liquid\",\n    \"content\": \"{% layout 'theme' %}\\n<h1>{{ product.title }}</h1>\\n<p>{{ product.sku }}</p>\"\n  },\n  \"base_sha\": \"9c3e1b7a42f06d58e2a91c4b7d03f6e85a12bc47\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fluid.app/api/application_themes/{application_theme_id}/resources")

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  \"application_theme_resource\": {\n    \"key\": \"product/paper_product_page/index.liquid\",\n    \"content\": \"{% layout 'theme' %}\\n<h1>{{ product.title }}</h1>\\n<p>{{ product.sku }}</p>\"\n  },\n  \"base_sha\": \"9c3e1b7a42f06d58e2a91c4b7d03f6e85a12bc47\"\n}"

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

{
  "application_theme_resource": {
    "resource_type": "ApplicationThemeTemplate",
    "resource_id": 48213,
    "key": "product/paper_product_page/index.liquid",
    "content": "{% layout 'theme' %}\n<h1>{{ product.title }}</h1>\n<p>{{ product.sku }}</p>",
    "checksum": "a1c9e8f7d6b5a4c3e2f1d0b9a8c7e6f5d4c3b2a1f0e9d8c7b6a5f4e3d2c1b0a9",
    "url": null
  },
  "content_version_sha": "e71d04a9c35b28f6a0d9173c4be58f2a61c0d93b",
  "meta": {
    "request_id": "4f1c2a9e-7b3d-4e8a-9c61-2d5f8a0b3e17",
    "timestamp": "2026-09-22T15:04:12Z"
  }
}

{
  "message": "<string>"
}

{
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}

{
  "error_message": "<string>",
  "errors": {},
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z",
    "remote_sha": "<string>"
  }
}

{
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}