diff --git a/doc/index.html b/doc/index.html
index 77ef1423..7d6ca406 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -2441,6 +2441,8 @@ <h4>Example URI</h4><div class="definition"><span class="method get">GET</span>&
       "<span class="hljs-attribute">order_number</span>": <span class="hljs-value"><span class="hljs-string">"twreporter"</span></span>,
       "<span class="hljs-attribute">pay_method: credit_card</span>": <span class="hljs-value"><span class="hljs-string">"Hello, world!"</span></span>,
       "<span class="hljs-attribute">bin_code</span>": <span class="hljs-value"><span class="hljs-string">"424242"</span></span>,
+      "<span class="hljs-attribute">card_last_four</span>": <span class="hljs-value"><span class="hljs-string">"4242"</span></span>,
+      "<span class="hljs-attribute">card_type</span>": <span class="hljs-value"><span class="hljs-string">"1"</span></span>,
       "<span class="hljs-attribute">last_name</span>": <span class="hljs-value"><span class="hljs-string">"Lin"</span></span>,
       "<span class="hljs-attribute">first_name</span>": <span class="hljs-value"><span class="hljs-string">"IHan"</span></span>,
       "<span class="hljs-attribute">send_receipt: no_receipt</span>": <span class="hljs-value"><span class="hljs-string">"Hello, world!"</span></span>,
@@ -2510,6 +2512,12 @@ <h4>Example URI</h4><div class="definition"><span class="method get">GET</span>&
           "<span class="hljs-attribute">bin_code</span>": <span class="hljs-value">{
             "<span class="hljs-attribute">type</span>": <span class="hljs-value"><span class="hljs-string">"string"</span>
           </span>}</span>,
+          "<span class="hljs-attribute">card_last_four</span>": <span class="hljs-value">{
+            "<span class="hljs-attribute">type</span>": <span class="hljs-value"><span class="hljs-string">"string"</span>
+          </span>}</span>,
+          "<span class="hljs-attribute">card_type</span>": <span class="hljs-value">{
+            "<span class="hljs-attribute">type</span>": <span class="hljs-value"><span class="hljs-string">"string"</span>
+          </span>}</span>,
           "<span class="hljs-attribute">last_name</span>": <span class="hljs-value">{
             "<span class="hljs-attribute">type</span>": <span class="hljs-value"><span class="hljs-string">"string"</span>
           </span>}</span>,
@@ -18663,7 +18671,7 @@ <h4>Example URI</h4><div class="definition"><span class="method get">GET</span>&
     <span class="hljs-string">"status"</span>,
     <span class="hljs-string">"message"</span>
   ]
-</span>}</code></pre><div style="height: 1px;"></div></div></div></div></div></section></div></div></div><p style="text-align: center;" class="text-muted">Generated by&nbsp;<a href="https://github.com/danielgtaylor/aglio" class="aglio">aglio</a>&nbsp;on 25 Mar 2024</p><script>/* eslint-env browser */
+</span>}</code></pre><div style="height: 1px;"></div></div></div></div></div></section></div></div></div><p style="text-align: center;" class="text-muted">Generated by&nbsp;<a href="https://github.com/danielgtaylor/aglio" class="aglio">aglio</a>&nbsp;on 17 Apr 2024</p><script>/* eslint-env browser */
 /* eslint quotes: [2, "single"] */
 'use strict';
 
diff --git a/doc/user-donation.apib b/doc/user-donation.apib
index c911d41a..c26e204e 100644
--- a/doc/user-donation.apib
+++ b/doc/user-donation.apib
@@ -8,6 +8,8 @@
 + order_number: twreporter-24031923864 (string, required) - Unique donation order number
 + pay_method: credit_card (string)
 + bin_code: 424242 (string)
++ card_last_four: 4242 (string)
++ card_type: 1 (string)
 + last_name: Lin (string)
 + first_name: IHan (string)
 + send_receipt: no_receipt (string, required)