diff --git a/next-env.d.ts b/next-env.d.ts
index 725dd6f2..3cd7048e 100644
--- a/next-env.d.ts
+++ b/next-env.d.ts
@@ -3,4 +3,4 @@
 /// <reference types="next/navigation-types/compat/navigation" />
 
 // NOTE: This file should not be edited
-// see https://nextjs.org/docs/app/building-your-application/configuring/typescript for more information.
+// see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
diff --git a/package.json b/package.json
index 932eb300..d61146cd 100644
--- a/package.json
+++ b/package.json
@@ -102,7 +102,7 @@
     "kafkajs": "^2.1.0",
     "maxmind": "^4.3.6",
     "md5": "^2.3.0",
-    "next": "15.0.4",
+    "next": "15.1.4",
     "next-basics": "^0.39.0",
     "node-fetch": "^3.2.8",
     "npm-run-all": "^4.1.5",
@@ -118,6 +118,7 @@
     "react-window": "^1.8.6",
     "request-ip": "^3.3.0",
     "semver": "^7.5.4",
+    "serialize-error": "^12.0.0",
     "thenby": "^1.3.4",
     "uuid": "^9.0.0",
     "yup": "^0.32.11",
diff --git a/src/lib/detect.ts b/src/lib/detect.ts
index c3ce6fee..0bea4403 100644
--- a/src/lib/detect.ts
+++ b/src/lib/detect.ts
@@ -132,7 +132,7 @@ export async function getLocation(ip: string, req: NextApiRequestCollect) {
 }
 
 export async function getClientInfo(req: NextApiRequestCollect) {
-  const userAgent = req.headers['user-agent'];
+  const userAgent = req.body?.payload?.userAgent || req.headers['user-agent'];
   const ip = req.body?.payload?.ip || getIpAddress(req);
   const location = await getLocation(ip, req);
   const country = location?.country;
diff --git a/src/lib/session.ts b/src/lib/session.ts
index 5311e3fd..d43712d2 100644
--- a/src/lib/session.ts
+++ b/src/lib/session.ts
@@ -42,6 +42,24 @@ export async function getSession(req: NextApiRequestCollect): Promise<SessionDat
   const sessionId = uuid(websiteId, hostname, ip, userAgent);
   const visitId = uuid(sessionId, visitSalt());
 
+  // eslint-disable-next-line no-console
+  console.log('SESSION', {
+    websiteId,
+    sessionId,
+    hostname,
+    ip,
+    userAgent,
+    visitId,
+    salt: visitSalt(),
+    browser,
+    os,
+    country,
+    subdivision1,
+    subdivision2,
+    city,
+    device,
+  });
+
   // Clickhouse does not require session lookup
   if (clickhouse.enabled) {
     return {
diff --git a/src/pages/api/send.ts b/src/pages/api/send.ts
index cbcacae5..8e73463c 100644
--- a/src/pages/api/send.ts
+++ b/src/pages/api/send.ts
@@ -21,7 +21,6 @@ export interface CollectRequestBody {
     website: string;
     data?: { [key: string]: any };
     hostname?: string;
-    ip?: string;
     language?: string;
     name?: string;
     referrer?: string;
@@ -29,6 +28,8 @@ export interface CollectRequestBody {
     tag?: string;
     title?: string;
     url: string;
+    ip?: string;
+    userAgent?: string;
   };
   type: CollectionType;
 }
@@ -62,7 +63,6 @@ const schema = {
       .shape({
         data: yup.object(),
         hostname: yup.string().matches(HOSTNAME_REGEX).max(100),
-        ip: yup.string().matches(IP_REGEX),
         language: yup.string().max(35),
         referrer: yup.string(),
         screen: yup.string().max(11),
@@ -71,6 +71,8 @@ const schema = {
         website: yup.string().uuid().required(),
         name: yup.string().max(50),
         tag: yup.string().max(50).nullable(),
+        ip: yup.string().matches(IP_REGEX),
+        userAgent: yup.string(),
       })
       .required(),
     type: yup
@@ -95,8 +97,7 @@ export default async (req: NextApiRequestCollect, res: NextApiResponse) => {
     }
 
     const { type, payload } = req.body;
-    const { url, referrer, name: eventName, data, title, tag } = payload;
-    const pageTitle = safeDecodeURI(title);
+    const { url, referrer, name, data, title, tag } = payload;
 
     await useSession(req, res);
 
@@ -142,8 +143,8 @@ export default async (req: NextApiRequestCollect, res: NextApiResponse) => {
         referrerPath,
         referrerQuery,
         referrerDomain,
-        pageTitle,
-        eventName,
+        pageTitle: title,
+        eventName: name,
         eventData: data,
         ...session,
         sessionId: session.id,
diff --git a/src/tracker/index.js b/src/tracker/index.js
index 14a5cb68..73e8e5af 100644
--- a/src/tracker/index.js
+++ b/src/tracker/index.js
@@ -219,8 +219,10 @@
 
       const data = await res.json();
 
-      disabled = res.status === 429;
-      cache = data?.cache;
+      if (data) {
+        disabled = !!data.disabled;
+        cache = data.cache;
+      }
     } catch (e) {
       /* empty */
     }
diff --git a/yarn.lock b/yarn.lock
index dd9b5d29..c1d0793a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2323,10 +2323,10 @@
   resolved "https://registry.yarnpkg.com/@netlify/plugin-nextjs/-/plugin-nextjs-5.8.1.tgz#9da15bb4a13c5644e9b58b968c7da51939206ee4"
   integrity sha512-WB1N0FslhWZ1yAVYTcB6CcFrFOUSQ0O2LfavYZrbAypeNxu2I+oO+cgmhfDgZ8Eoq1g4EMeoIGMkNoZ4ogZTsg==
 
-"@next/env@15.0.4":
-  version "15.0.4"
-  resolved "https://registry.yarnpkg.com/@next/env/-/env-15.0.4.tgz#97da0fe3bae2f2b2968c4c925d7936660f5b3836"
-  integrity sha512-WNRvtgnRVDD4oM8gbUcRc27IAhaL4eXQ/2ovGbgLnPGUvdyDr8UdXP4Q/IBDdAdojnD2eScryIDirv0YUCjUVw==
+"@next/env@15.1.4":
+  version "15.1.4"
+  resolved "https://registry.yarnpkg.com/@next/env/-/env-15.1.4.tgz#f727cc4f46527a5223ae894f9476466db9132e21"
+  integrity sha512-2fZ5YZjedi5AGaeoaC0B20zGntEHRhi2SdWcu61i48BllODcAmmtj8n7YarSPt4DaTsJaBFdxQAVEVzgmx2Zpw==
 
 "@next/eslint-plugin-next@14.2.18":
   version "14.2.18"
@@ -2335,45 +2335,45 @@
   dependencies:
     glob "10.3.10"
 
-"@next/swc-darwin-arm64@15.0.4":
-  version "15.0.4"
-  resolved "https://registry.yarnpkg.com/@next/swc-darwin-arm64/-/swc-darwin-arm64-15.0.4.tgz#66087f397564d6ece4c5493536d30bc2b158a80e"
-  integrity sha512-QecQXPD0yRHxSXWL5Ff80nD+A56sUXZG9koUsjWJwA2Z0ZgVQfuy7gd0/otjxoOovPVHR2eVEvPMHbtZP+pf9w==
+"@next/swc-darwin-arm64@15.1.4":
+  version "15.1.4"
+  resolved "https://registry.yarnpkg.com/@next/swc-darwin-arm64/-/swc-darwin-arm64-15.1.4.tgz#49faf320d44d1a813e09501abfd952b0315385c9"
+  integrity sha512-wBEMBs+np+R5ozN1F8Y8d/Dycns2COhRnkxRc+rvnbXke5uZBHkUGFgWxfTXn5rx7OLijuUhyfB+gC/ap58dDw==
 
-"@next/swc-darwin-x64@15.0.4":
-  version "15.0.4"
-  resolved "https://registry.yarnpkg.com/@next/swc-darwin-x64/-/swc-darwin-x64-15.0.4.tgz#6eb098e183dfed72d8f3c4b281a323ad17d72446"
-  integrity sha512-pb7Bye3y1Og3PlCtnz2oO4z+/b3pH2/HSYkLbL0hbVuTGil7fPen8/3pyyLjdiTLcFJ+ymeU3bck5hd4IPFFCA==
+"@next/swc-darwin-x64@15.1.4":
+  version "15.1.4"
+  resolved "https://registry.yarnpkg.com/@next/swc-darwin-x64/-/swc-darwin-x64-15.1.4.tgz#3c234986481e7db8957562b8dfeab2d44fe4c0a7"
+  integrity sha512-7sgf5rM7Z81V9w48F02Zz6DgEJulavC0jadab4ZsJ+K2sxMNK0/BtF8J8J3CxnsJN3DGcIdC260wEKssKTukUw==
 
-"@next/swc-linux-arm64-gnu@15.0.4":
-  version "15.0.4"
-  resolved "https://registry.yarnpkg.com/@next/swc-linux-arm64-gnu/-/swc-linux-arm64-gnu-15.0.4.tgz#3c082ad1a4c8060a5c56127fdefb82a149d3b94e"
-  integrity sha512-12oSaBFjGpB227VHzoXF3gJoK2SlVGmFJMaBJSu5rbpaoT5OjP5OuCLuR9/jnyBF1BAWMs/boa6mLMoJPRriMA==
+"@next/swc-linux-arm64-gnu@15.1.4":
+  version "15.1.4"
+  resolved "https://registry.yarnpkg.com/@next/swc-linux-arm64-gnu/-/swc-linux-arm64-gnu-15.1.4.tgz#d71c5a55106327b50ff194dd40e11c3ca7f744a7"
+  integrity sha512-JaZlIMNaJenfd55kjaLWMfok+vWBlcRxqnRoZrhFQrhM1uAehP3R0+Aoe+bZOogqlZvAz53nY/k3ZyuKDtT2zQ==
 
-"@next/swc-linux-arm64-musl@15.0.4":
-  version "15.0.4"
-  resolved "https://registry.yarnpkg.com/@next/swc-linux-arm64-musl/-/swc-linux-arm64-musl-15.0.4.tgz#c4e18c89ea4dab6b150b889643ec19896aebc1eb"
-  integrity sha512-QARO88fR/a+wg+OFC3dGytJVVviiYFEyjc/Zzkjn/HevUuJ7qGUUAUYy5PGVWY1YgTzeRYz78akQrVQ8r+sMjw==
+"@next/swc-linux-arm64-musl@15.1.4":
+  version "15.1.4"
+  resolved "https://registry.yarnpkg.com/@next/swc-linux-arm64-musl/-/swc-linux-arm64-musl-15.1.4.tgz#c6b4cef0f5b943d6308fdb429ecb43be79afce31"
+  integrity sha512-7EBBjNoyTO2ipMDgCiORpwwOf5tIueFntKjcN3NK+GAQD7OzFJe84p7a2eQUeWdpzZvhVXuAtIen8QcH71ZCOQ==
 
-"@next/swc-linux-x64-gnu@15.0.4":
-  version "15.0.4"
-  resolved "https://registry.yarnpkg.com/@next/swc-linux-x64-gnu/-/swc-linux-x64-gnu-15.0.4.tgz#f81c3952a60f3075b48e0b5a862f4deecd550c2d"
-  integrity sha512-Z50b0gvYiUU1vLzfAMiChV8Y+6u/T2mdfpXPHraqpypP7yIT2UV9YBBhcwYkxujmCvGEcRTVWOj3EP7XW/wUnw==
+"@next/swc-linux-x64-gnu@15.1.4":
+  version "15.1.4"
+  resolved "https://registry.yarnpkg.com/@next/swc-linux-x64-gnu/-/swc-linux-x64-gnu-15.1.4.tgz#2b15f959ac6653800c0df8247489d54982926786"
+  integrity sha512-9TGEgOycqZFuADyFqwmK/9g6S0FYZ3tphR4ebcmCwhL8Y12FW8pIBKJvSwV+UBjMkokstGNH+9F8F031JZKpHw==
 
-"@next/swc-linux-x64-musl@15.0.4":
-  version "15.0.4"
-  resolved "https://registry.yarnpkg.com/@next/swc-linux-x64-musl/-/swc-linux-x64-musl-15.0.4.tgz#f14c9730599985538d4d01d6da825b4e41fea0c1"
-  integrity sha512-7H9C4FAsrTAbA/ENzvFWsVytqRYhaJYKa2B3fyQcv96TkOGVMcvyS6s+sj4jZlacxxTcn7ygaMXUPkEk7b78zw==
+"@next/swc-linux-x64-musl@15.1.4":
+  version "15.1.4"
+  resolved "https://registry.yarnpkg.com/@next/swc-linux-x64-musl/-/swc-linux-x64-musl-15.1.4.tgz#2b9d3ca3c3f506e3515b13c00e19d3031535bb44"
+  integrity sha512-0578bLRVDJOh+LdIoKvgNDz77+Bd85c5JrFgnlbI1SM3WmEQvsjxTA8ATu9Z9FCiIS/AliVAW2DV/BDwpXbtiQ==
 
-"@next/swc-win32-arm64-msvc@15.0.4":
-  version "15.0.4"
-  resolved "https://registry.yarnpkg.com/@next/swc-win32-arm64-msvc/-/swc-win32-arm64-msvc-15.0.4.tgz#14297572feedcd5b14388be8a7ea8c50accb4c96"
-  integrity sha512-Z/v3WV5xRaeWlgJzN9r4PydWD8sXV35ywc28W63i37G2jnUgScA4OOgS8hQdiXLxE3gqfSuHTicUhr7931OXPQ==
+"@next/swc-win32-arm64-msvc@15.1.4":
+  version "15.1.4"
+  resolved "https://registry.yarnpkg.com/@next/swc-win32-arm64-msvc/-/swc-win32-arm64-msvc-15.1.4.tgz#74928a6e824b258a071d30872c00417ee79d4ee7"
+  integrity sha512-JgFCiV4libQavwII+kncMCl30st0JVxpPOtzWcAI2jtum4HjYaclobKhj+JsRu5tFqMtA5CJIa0MvYyuu9xjjQ==
 
-"@next/swc-win32-x64-msvc@15.0.4":
-  version "15.0.4"
-  resolved "https://registry.yarnpkg.com/@next/swc-win32-x64-msvc/-/swc-win32-x64-msvc-15.0.4.tgz#d25953baffb92721f0fb96c8be71d7efb37a57b7"
-  integrity sha512-NGLchGruagh8lQpDr98bHLyWJXOBSmkEAfK980OiNBa7vNm6PsNoPvzTfstT78WyOeMRQphEQ455rggd7Eo+Dw==
+"@next/swc-win32-x64-msvc@15.1.4":
+  version "15.1.4"
+  resolved "https://registry.yarnpkg.com/@next/swc-win32-x64-msvc/-/swc-win32-x64-msvc-15.1.4.tgz#188bce4c231f5ab0e7eaca55170764f7e8229db2"
+  integrity sha512-xxsJy9wzq7FR5SqPCUqdgSXiNXrMuidgckBa8nH9HtjjxsilgcN6VgXF6tZ3uEWuVEadotQJI8/9EQ6guTC4Yw==
 
 "@nodelib/fs.scandir@2.1.5":
   version "2.1.5"
@@ -2756,12 +2756,12 @@
   resolved "https://registry.yarnpkg.com/@swc/counter/-/counter-0.1.3.tgz#cc7463bd02949611c6329596fccd2b0ec782b0e9"
   integrity sha512-e2BR4lsJkkRlKZ/qCHPw9ZaSxc0MVUd7gtbtaB7aMvHeJVYe8sOB8DBZkP2DtISHGSku9sCK6T6cnY0CtXrOCQ==
 
-"@swc/helpers@0.5.13":
-  version "0.5.13"
-  resolved "https://registry.yarnpkg.com/@swc/helpers/-/helpers-0.5.13.tgz#33e63ff3cd0cade557672bd7888a39ce7d115a8c"
-  integrity sha512-UoKGxQ3r5kYI9dALKJapMmuK+1zWM/H17Z1+iwnNmzcJRnfFuevZs375TA5rW31pu4BS4NoSy1fRsexDXfWn5w==
+"@swc/helpers@0.5.15":
+  version "0.5.15"
+  resolved "https://registry.yarnpkg.com/@swc/helpers/-/helpers-0.5.15.tgz#79efab344c5819ecf83a43f3f9f811fc84b516d7"
+  integrity sha512-JQ5TuMi45Owi4/BIMAJBoSQoOJu12oOk/gADqlcUL9JEdHB8vyjUSsxqeNXnmXHjYKMi2WcYtezGEEhqUI/E2g==
   dependencies:
-    tslib "^2.4.0"
+    tslib "^2.8.0"
 
 "@tanstack/query-core@5.60.6":
   version "5.60.6"
@@ -7980,27 +7980,27 @@ next-basics@^0.39.0:
     jsonwebtoken "^9.0.0"
     pure-rand "^6.0.2"
 
-next@15.0.4:
-  version "15.0.4"
-  resolved "https://registry.yarnpkg.com/next/-/next-15.0.4.tgz#7ddad7299204f16c132d7e524cf903f1a513588e"
-  integrity sha512-nuy8FH6M1FG0lktGotamQDCXhh5hZ19Vo0ht1AOIQWrYJLP598TIUagKtvJrfJ5AGwB/WmDqkKaKhMpVifvGPA==
+next@15.1.4:
+  version "15.1.4"
+  resolved "https://registry.yarnpkg.com/next/-/next-15.1.4.tgz#cb2aee3fbb772e20b98ccc2f0806249c09f780a2"
+  integrity sha512-mTaq9dwaSuwwOrcu3ebjDYObekkxRnXpuVL21zotM8qE2W0HBOdVIdg2Li9QjMEZrj73LN96LcWcz62V19FjAg==
   dependencies:
-    "@next/env" "15.0.4"
+    "@next/env" "15.1.4"
     "@swc/counter" "0.1.3"
-    "@swc/helpers" "0.5.13"
+    "@swc/helpers" "0.5.15"
     busboy "1.6.0"
     caniuse-lite "^1.0.30001579"
     postcss "8.4.31"
     styled-jsx "5.1.6"
   optionalDependencies:
-    "@next/swc-darwin-arm64" "15.0.4"
-    "@next/swc-darwin-x64" "15.0.4"
-    "@next/swc-linux-arm64-gnu" "15.0.4"
-    "@next/swc-linux-arm64-musl" "15.0.4"
-    "@next/swc-linux-x64-gnu" "15.0.4"
-    "@next/swc-linux-x64-musl" "15.0.4"
-    "@next/swc-win32-arm64-msvc" "15.0.4"
-    "@next/swc-win32-x64-msvc" "15.0.4"
+    "@next/swc-darwin-arm64" "15.1.4"
+    "@next/swc-darwin-x64" "15.1.4"
+    "@next/swc-linux-arm64-gnu" "15.1.4"
+    "@next/swc-linux-arm64-musl" "15.1.4"
+    "@next/swc-linux-x64-gnu" "15.1.4"
+    "@next/swc-linux-x64-musl" "15.1.4"
+    "@next/swc-win32-arm64-msvc" "15.1.4"
+    "@next/swc-win32-x64-msvc" "15.1.4"
     sharp "^0.33.5"
 
 nice-try@^1.0.4:
@@ -9690,6 +9690,13 @@ semver@^7.3.4, semver@^7.3.7, semver@^7.5.3, semver@^7.5.4, semver@^7.6.0, semve
   resolved "https://registry.yarnpkg.com/semver/-/semver-7.6.3.tgz#980f7b5550bc175fb4dc09403085627f9eb33143"
   integrity sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==
 
+serialize-error@^12.0.0:
+  version "12.0.0"
+  resolved "https://registry.yarnpkg.com/serialize-error/-/serialize-error-12.0.0.tgz#aed3d5abff192c855707513929bf8bf48d712194"
+  integrity sha512-ZYkZLAvKTKQXWuh5XpBw7CdbSzagarX39WyZ2H07CDLC5/KfsRGlIXV8d4+tfqX1M7916mRqR1QfNHSij+c9Pw==
+  dependencies:
+    type-fest "^4.31.0"
+
 serialize-javascript@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-4.0.0.tgz#b525e1238489a5ecfc42afacc3fe99e666f4b1aa"
@@ -10477,7 +10484,7 @@ tsconfig-paths@^3.15.0:
     minimist "^1.2.6"
     strip-bom "^3.0.0"
 
-tslib@2, tslib@^2.1.0, tslib@^2.4.0:
+tslib@2, tslib@^2.1.0, tslib@^2.4.0, tslib@^2.8.0:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.8.1.tgz#612efe4ed235d567e8aba5f2a5fab70280ade83f"
   integrity sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==
@@ -10553,6 +10560,11 @@ type-fest@^1.0.1, type-fest@^1.0.2, type-fest@^1.2.1, type-fest@^1.2.2:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-1.4.0.tgz#e9fb813fe3bf1744ec359d55d1affefa76f14be1"
   integrity sha512-yGSza74xk0UG8k+pLh5oeoYirvIiWo5t0/o3zHHAO2tRDiZcxWP7fywNlXhqb6/r6sWvwi+RsyQMWhVLe4BVuA==
 
+type-fest@^4.31.0:
+  version "4.31.0"
+  resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-4.31.0.tgz#a3de630c96eb77c281b6ba2affa5dae5fb3c326c"
+  integrity sha512-yCxltHW07Nkhv/1F6wWBr8kz+5BGMfP+RbRSYFnegVb0qV/UMT0G0ElBloPVerqn4M2ZV80Ir1FtCcYv1cT6vQ==
+
 typed-array-buffer@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/typed-array-buffer/-/typed-array-buffer-1.0.2.tgz#1867c5d83b20fcb5ccf32649e5e2fc7424474ff3"