fix: address CodeRabbit review comments - indentation and links

Author: MantisClone

use-cases/invoicing.mdx

@@ -19,7 +19,7 @@ Bring instant, verifiable payments to your invoicing flow. Generate invoices in
 
 <Steps>
   <Step title="Create Invoice">
-    Call the [Create Request endpoint](/api-reference/request/create-request) with invoice details
+    Call the [Create Request endpoint](/api-features/create-requests) with invoice details
   </Step>
   <Step title="Process Payment">
     Use the payment data to show payment options, then guide the payer through wallet signature and submission
@@ -91,22 +91,22 @@ Not sure which approach fits your needs? [See our detailed comparison of integra
   </Card>
 </CardGroup>
 
-  <Card 
-    title="Build with API" 
-    icon="code"
-    href="/api-features/create-requests"
-  >
-    **Complete control**
-    
-    Build a custom solution integrated with your existing systems.
-    
-    - White-label ready
-    - Full customization
-    - Add fee layers
-    - <Tooltip tip="Users maintain control of their funds - you never custody crypto">Non-custodial</Tooltip> architecture
-    
-    [API docs →](/api-features/create-requests)
-  </Card>
+<Card 
+  title="Build with API" 
+  icon="code"
+  href="/api-features/create-requests"
+>
+  **Complete control**
+  
+  Build a custom solution integrated with your existing systems.
+  
+  - White-label ready
+  - Full customization
+  - Add fee layers
+  - <Tooltip tip="Users maintain control of their funds - you never custody crypto">Non-custodial</Tooltip> architecture
+  
+  [API docs →](/api-features/create-requests)
+</Card>
 
 ## Key API Features for Invoicing
 
@@ -137,7 +137,7 @@ Not sure which approach fits your needs? [See our detailed comparison of integra
 
   <Card 
     title="Recurring Invoices" 
-    href="#"
+    href="/api-features/recurring-payments"
     icon="repeat"
   >
     Automate recurring invoice generation for ongoing vendor relationships