Change a member's MySite theme

curl --request PUT \
  --url https://api.fluid.app/api/v2025-06/members/{member_id}/mysite-theme \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "theme_id": 3187
}
'

import requests

url = "https://api.fluid.app/api/v2025-06/members/{member_id}/mysite-theme"

payload = { "theme_id": 3187 }
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({theme_id: 3187})
};

fetch('https://api.fluid.app/api/v2025-06/members/{member_id}/mysite-theme', 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/v2025-06/members/{member_id}/mysite-theme",
  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([
    'theme_id' => 3187
  ]),
  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/v2025-06/members/{member_id}/mysite-theme"

	payload := strings.NewReader("{\n  \"theme_id\": 3187\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/v2025-06/members/{member_id}/mysite-theme")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"theme_id\": 3187\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fluid.app/api/v2025-06/members/{member_id}/mysite-theme")

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  \"theme_id\": 3187\n}"

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

{
  "mysite_theme": {
    "theme_id": 3187
  },
  "status": 200,
  "meta": {
    "request_id": "9a4c2e71-6b3d-4f08-8e15-d2b7c0a5f364",
    "timestamp": "2026-10-16T17:06:40Z"
  }
}

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

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

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

{
  "error": {
    "message": "Unknown theme",
    "details": {
      "theme_id": [
        "is not an available MySite theme of this company"
      ]
    }
  },
  "status": 422,
  "meta": {
    "request_id": "2f7b9d36-8e1a-4c54-b0f2-6a3d1e8c9b07",
    "timestamp": "2026-10-16T17:07:03Z"
  }
}