Render a draft member page or system screen

curl --request POST \
  --url https://api.fluid.app/api/v202604/themes/{theme_id}/member-preview \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "members_site_id": 7310,
  "members_page_id": 18422,
  "member_type_id": "brand-partner"
}
'

import requests

url = "https://api.fluid.app/api/v202604/themes/{theme_id}/member-preview"

payload = {
    "members_site_id": 7310,
    "members_page_id": 18422,
    "member_type_id": "brand-partner"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({members_site_id: 7310, members_page_id: 18422, member_type_id: 'brand-partner'})
};

fetch('https://api.fluid.app/api/v202604/themes/{theme_id}/member-preview', 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/v202604/themes/{theme_id}/member-preview",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'members_site_id' => 7310,
    'members_page_id' => 18422,
    'member_type_id' => 'brand-partner'
  ]),
  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/v202604/themes/{theme_id}/member-preview"

	payload := strings.NewReader("{\n  \"members_site_id\": 7310,\n  \"members_page_id\": 18422,\n  \"member_type_id\": \"brand-partner\"\n}")

	req, _ := http.NewRequest("POST", 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.post("https://api.fluid.app/api/v202604/themes/{theme_id}/member-preview")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"members_site_id\": 7310,\n  \"members_page_id\": 18422,\n  \"member_type_id\": \"brand-partner\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fluid.app/api/v202604/themes/{theme_id}/member-preview")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"members_site_id\": 7310,\n  \"members_page_id\": 18422,\n  \"member_type_id\": \"brand-partner\"\n}"

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

{
  "preview": {
    "mode": "sample",
    "contract_version": 1,
    "theme_id": 48213,
    "members_site_id": 7310,
    "members_page_id": 18422,
    "system_screen_key": null,
    "html_content": "<main class=\"members-page\"><h1>Welcome back to the Dunder Mifflin rep portal</h1></main>",
    "page_stylesheet": ".members-page { max-width: 72rem; margin: 0 auto; }",
    "template_stylesheet": null,
    "preview_audience": {
      "kind": "sample_member",
      "member_type_id": "brand-partner",
      "matched_site_id": 7310,
      "selected_site_accessible": true
    }
  },
  "status": 200,
  "meta": {
    "request_uuid": "7c1e9a52-4b3d-4f0e-9d2a-81f6c3b5e240",
    "timestamp": "2026-09-15T09:26:05Z"
  }
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}

{
  "error": {
    "message": "<string>",
    "details": {}
  },
  "status": 123,
  "meta": {}
}

{
  "error": {
    "message": "<string>",
    "details": {}
  },
  "status": 123,
  "meta": {}
}