diff --git a/assets/wallet/wallet_onboarding.html b/assets/wallet/wallet_onboarding.html
index 1b5b7be9..b52a4f9a 100644
--- a/assets/wallet/wallet_onboarding.html
+++ b/assets/wallet/wallet_onboarding.html
@@ -4,7 +4,11 @@
     <script type="text/javascript">
         const outcomeList = [
             ["0", "SUCCESS"],
-            ["1", "ERROR"]
+            ["1", "GENERIC_ERROR"],
+            ["2", "AUTH_ERROR"],
+            ["4", "TIMEOUT"],
+            ["8", "CANCELED_BY_USER"],
+            ["14", "INVALID_SESSION"]
         ];
 
         const simulateOutcome = () => {
diff --git a/package.json b/package.json
index a9502276..4524fcc4 100644
--- a/package.json
+++ b/package.json
@@ -4,11 +4,11 @@
   "description": "A mock server to help io-app development https://io.italia.it/",
   "version": "1.0.0",
   "main": "app.js",
-  "api_backend_specs": "https://raw.githubusercontent.com/pagopa/io-backend/v13.10.1-RELEASE/api_backend.yaml",
-  "api_public_specs": "https://raw.githubusercontent.com/pagopa/io-backend/v13.10.1-RELEASE/api_public.yaml",
-  "api_bonus_vacanze": "https://raw.githubusercontent.com/pagopa/io-backend/v13.10.1-RELEASE/api_bonus.yaml",
-  "api_cgn": "https://raw.githubusercontent.com/pagopa/io-backend/v13.10.1-RELEASE/api_cgn.yaml",
-  "api_cgn_merchants": "https://raw.githubusercontent.com/pagopa/io-backend/v13.10.1-RELEASE/api_cgn_operator_search.yaml",
+  "api_backend_specs": "https://raw.githubusercontent.com/pagopa/io-backend/v13.20.0-RELEASE/api_backend.yaml",
+  "api_public_specs": "https://raw.githubusercontent.com/pagopa/io-backend/v13.20.0-RELEASE/api_public.yaml",
+  "api_bonus_vacanze": "https://raw.githubusercontent.com/pagopa/io-backend/v13.20.0-RELEASE/api_bonus.yaml",
+  "api_cgn": "https://raw.githubusercontent.com/pagopa/io-backend/v13.20.0-RELEASE/api_cgn.yaml",
+  "api_cgn_merchants": "https://raw.githubusercontent.com/pagopa/io-backend/v13.20.0-RELEASE/api_cgn_operator_search.yaml",
   "api_cgn_geo": "https://raw.githubusercontent.com/pagopa/io-backend/here_geoapi_integration/api_geo.yaml",
   "content_specs": "https://raw.githubusercontent.com/pagopa/io-services-metadata/1.0.28/definitions.yml",
   "api_pagopa_walletv2": "https://raw.githubusercontent.com/pagopa/io-services-metadata/1.0.28/bonus/specs/bpd/pm/walletv2.json",
@@ -21,13 +21,13 @@
   "api_bpd_award": "https://raw.githubusercontent.com/pagopa/io-services-metadata/1.0.28/bonus/specs/bpd/award.json",
   "api_bpd_winning_transactions": "https://raw.githubusercontent.com/pagopa/io-services-metadata/1.0.28/bonus/specs/bpd/winning_transactions.json",
   "api_bpd_winning_transactions_v2": "https://raw.githubusercontent.com/pagopa/io-services-metadata/1.0.28/bonus/specs/bpd/winning_transactions_v2.json",
-  "api_eu_covid_cert": "https://raw.githubusercontent.com/pagopa/io-backend/v13.10.1-RELEASE/api_eucovidcert.yaml",
+  "api_eu_covid_cert": "https://raw.githubusercontent.com/pagopa/io-backend/v13.20.0-RELEASE/api_eucovidcert.yaml",
   "api_sicilia_vola": "assets/SiciliaVola.yml",
   "api_cdc": "https://raw.githubusercontent.com/pagopa/io-app/master/assets/CdcSwagger.yml",
-  "api_fci": "https://raw.githubusercontent.com/pagopa/io-backend/v13.10.1-RELEASE/api_io_sign.yaml",
-  "api_pn": "https://raw.githubusercontent.com/pagopa/io-backend/v13.10.1-RELEASE/api_pn.yaml",
+  "api_fci": "https://raw.githubusercontent.com/pagopa/io-backend/v13.20.0-RELEASE/api_io_sign.yaml",
+  "api_pn": "https://raw.githubusercontent.com/pagopa/io-backend/v13.20.0-RELEASE/api_pn.yaml",
   "api_idpay": "https://raw.githubusercontent.com/pagopa/cstar-infrastructure/v5.8.0/src/domains/idpay-app/api/idpay_appio_full/openapi.appio.full.yml",
-  "api_fast_login": "https://raw.githubusercontent.com/pagopa/io-backend/v13.10.1-RELEASE/openapi/generated/api_fast_login.yaml",
+  "api_fast_login": "https://raw.githubusercontent.com/pagopa/io-backend/v13.20.0-RELEASE/openapi/generated/api_fast_login.yaml",
   "api_pagopa_walletv3": "https://raw.githubusercontent.com/pagopa/pagopa-infra/fde8d344d1eae9d16ca338d4f71095c805b99f75/src/domains/wallet-app/api/payment-wallet/v1/_openapi.json.tpl",
   "author": "Matteo Boschi",
   "license": "MIT",
diff --git a/src/features/fastLogin/nonceHandler.ts b/src/features/fastLogin/nonceHandler.ts
index 11e87973..1eebeaa9 100644
--- a/src/features/fastLogin/nonceHandler.ts
+++ b/src/features/fastLogin/nonceHandler.ts
@@ -1,10 +1,10 @@
-import { randomBytes } from "crypto";
+import { randomUUID } from "crypto";
 import { pipe } from "fp-ts/lib/function";
 import { Request } from "express";
 import * as O from "fp-ts/lib/Option";
 import { getDateMsDifference } from "../../utils/date";
 
-export const NONCE_EXPYRING_MS = 30000;
+export const NONCE_EXPYRING_MS = 60000;
 
 export type NonceInfo = {
   nonce: string;
@@ -24,10 +24,8 @@ const setNonceInfo = (nonce: string, instantiationDate: Date) => {
 };
 
 export const generateNewNonce = () =>
-  pipe(
-    randomBytes(16),
-    str => str.toString("hex"),
-    base64 => setNonceInfo(base64, new Date())
+  pipe(randomUUID({ disableEntropyCache: true }), uuid =>
+    setNonceInfo(uuid, new Date())
   );
 
 const extractNonceFromRequest = (request: Request): O.Option<string> =>
diff --git a/src/routers/features/fastLogin/index.ts b/src/routers/features/fastLogin/index.ts
index a528bebd..f862be9b 100644
--- a/src/routers/features/fastLogin/index.ts
+++ b/src/routers/features/fastLogin/index.ts
@@ -21,7 +21,7 @@ export const fastLoginRouter = Router();
 addHandler(
   fastLoginRouter,
   "post",
-  addApiV1Prefix("/fast-login/generate-nonce"),
+  addApiV1Prefix("/fast-login/nonce/generate"),
   (_, res) => {
     generateNewNonce();
     const nonce = getNonceInfo().nonce;