diff --git a/src/app/pages/create-page/create-page.ts b/src/app/pages/create-page/create-page.ts
index a4dd97d..502c8aa 100644
--- a/src/app/pages/create-page/create-page.ts
+++ b/src/app/pages/create-page/create-page.ts
@@ -18,15 +18,18 @@ interface SettingsResponse {
 
 interface CreateQrResponse {
   qrId?: string;
-  payload?: string;   // raw QR data string to encode
-  qrUrl?: string;     // pre-rendered image URL (if provided)
-  Status?: boolean;
+  nspkID?: string;
+  Payload?: string;    // per API doc (capital P)
+  nspkurl?: string;   // actual field name in real responses
+  qrUrl?: string;
+  qrStatus?: string;
   [key: string]: unknown;
 }
 
 interface QrStatusResponse {
-  qrStatus?: string;  // e.g. "PAID"
-  Status?: boolean;
+  status?: string;    // "NEW" | "APPROVED" | "REJECTED" | "COMPLETED"
+  nspkurl?: string;
+  nspkID?: string;
   [key: string]: unknown;
 }
 
@@ -154,14 +157,16 @@ export class CreatePage {
       .subscribe({
         next: (res) => {
           this.loading.set(false);
-          if (res?.qrId || res?.payload || res?.qrUrl) {
-            this.activeQrId = res.qrId ?? '';
-            // Use server-provided image URL or generate one from payload string.
-            const qrData = res.qrUrl ?? (res.payload
-              ? `https://api.qrserver.com/v1/create-qr-code/?size=240x240&margin=8&data=${encodeURIComponent(res.payload)}`
-              : null);
+          const qrId = res?.qrId ?? res?.nspkID ?? '';
+          // Real API uses 'nspkurl'; doc says 'Payload' — try both
+          const nspkUrl = res?.nspkurl ?? res?.Payload;
+          if (qrId || nspkUrl) {
+            this.activeQrId = qrId;
+            const qrData = nspkUrl
+              ? `https://api.qrserver.com/v1/create-qr-code/?size=256x256&margin=8&data=${encodeURIComponent(nspkUrl)}`
+              : (res.qrUrl ?? null);
             this.qrImageUrl.set(qrData);
-            if (this.activeQrId) this.startPolling(this.activeQrId);
+            if (qrId) this.startPolling(qrId);
           } else {
             this.error.set(this.t('errors.payment_failed'));
           }
@@ -181,10 +186,14 @@ export class CreatePage {
       this.http.get<QrStatusResponse>(`${QR_VITANOVA_API}/qr/dynamic/${qrId}`)
         .subscribe({
           next: (res) => {
-            const paid = res?.qrStatus === 'PAID' || res?.Status === true;
-            if (paid) {
+            // API returns status: "NEW" | "APPROVED" | "REJECTED" | "COMPLETED"
+            if (res?.status === 'COMPLETED' || res?.status === 'APPROVED') {
               this.stopPolling();
               this.createFastcheck();
+            } else if (res?.status === 'REJECTED') {
+              this.stopPolling();
+              this.error.set(this.t('errors.payment_failed'));
+              this.qrImageUrl.set(null);
             }
           },
           error: () => undefined
diff --git a/src/app/pages/fastcheck-page/fastcheck-page.ts b/src/app/pages/fastcheck-page/fastcheck-page.ts
index 5748af9..1611d77 100644
--- a/src/app/pages/fastcheck-page/fastcheck-page.ts
+++ b/src/app/pages/fastcheck-page/fastcheck-page.ts
@@ -17,7 +17,7 @@ interface WebSessionResponse {
 
 interface CheckFastcheckResponse {
   fastcheck: string;
-  amount?: number;
+  amount?: number;   // not in doc but server may include it
   expiration: string;
   Status: boolean;
   message?: string;
@@ -237,13 +237,17 @@ export class FastcheckPage {
     this.fastcheckAmount.set(null);
     this.codeEnabled.set(false);
 
+    // API doc: GET /fastcheck with fastcheck as query param
     this.http
-      .get<CheckFastcheckResponse>(`${FASTCHECK_API}/fastcheck/${encodeURIComponent(number)}`)
+      .get<CheckFastcheckResponse>(`${FASTCHECK_API}/fastcheck`, {
+        params: { fastcheck: number }
+      })
       .subscribe({
         next: (res) => {
           this.amountLoading.set(false);
-          if (res?.Status && typeof res.amount === 'number') {
-            this.fastcheckAmount.set(res.amount);
+          if (res?.Status) {
+            // amount may or may not be in response — show if present
+            this.fastcheckAmount.set(typeof res.amount === 'number' ? res.amount : null);
             this.codeEnabled.set(true);
           } else {
             this.error.set(res?.message ?? this.t('errors.not_found'));