Price alerts that
don’t get blocked

const apiKey = process.env.BROWSERCITY_API_KEY!;const opts = { method: "POST", headers: { Authorization: `Bearer ${apiKey}` } };const res = await fetch("https://api.browser.city/v1/requests", {  ...opts,  body: JSON.stringify({ url: "https://example.com/product", markdown: true }),}).then((r) => r.json());const md = String(res.content ?? "");const match = md.match(/\$([0-9,.]+)/);if (!match) throw new Error("price not found");console.log({ price: match[1] });

import osimport reimport requestsapi_key = os.environ["BROWSERCITY_API_KEY"]res = requests.post(    "https://api.browser.city/v1/requests",    headers={"Authorization": f"Bearer {api_key}"},    json={"url": "https://example.com/product", "markdown": True},).json()md = str(res.get("content", ""))m = re.search(r"\$([0-9,.]+)", md)if not m:    raise RuntimeError("price not found")print({"price": m.group(1)})

using System.Net.Http.Headers;using System.Net.Http.Json;using System.Text.RegularExpressions;var apiKey = Environment.GetEnvironmentVariable("BROWSERCITY_API_KEY")!;var http = new HttpClient();http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", apiKey);var res = await http.PostAsJsonAsync(  "https://api.browser.city/v1/requests",  new { url = "https://example.com/product", markdown = true });var json = await res.Content.ReadFromJsonAsync<RequestResponse>() ?? throw new Exception("bad response");var md = json.content ?? "";var m = Regex.Match(md, "\\$([0-9,.]+)");if (!m.Success) throw new Exception("price not found");Console.WriteLine(m.Groups[1].Value);public record RequestResponse(string? content);

import java.net.URI;import java.net.http.*;import java.util.regex.*;var apiKey = System.getenv("BROWSERCITY_API_KEY");var auth = "Bearer " + apiKey;var http = HttpClient.newHttpClient();var req = HttpRequest.newBuilder()  .uri(URI.create("https://api.browser.city/v1/requests"))  .header("Authorization", auth)  .POST(HttpRequest.BodyPublishers.ofString(    "{\"url\":\"https://example.com/product\",\"markdown\":true}"))  .build();var res = http.send(req, HttpResponse.BodyHandlers.ofString());var json = res.body();var md = extractField(json, "content");var m = Pattern.compile("\\$([0-9,.]+)").matcher(md);if (!m.find()) throw new RuntimeException("price not found");System.out.println(m.group(1));static String extractField(String json, String key) {  // Use a proper JSON parser in production. This is intentionally minimal.  var i = json.indexOf("\"" + key + "\"");  if (i < 0) return "";  var start = json.indexOf('"', i + key.length() + 2);  var end = json.indexOf('"', start + 1);  return (start >= 0 && end > start) ? json.substring(start + 1, end) : "";}