diff --git a/AGENTS.md b/AGENTS.md
index 00a6649f..0add59ce 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -65,7 +65,7 @@ All site configuration is in `docs.json`:
 
 Reference `Recoup-Chat` codebase for correct branding values:
 - **Primary color**: `#345A5D` (from `tailwind.config.ts` primaryGreen)
-- **Support email**: `agent@recoupable.com`
+- **Support email**: `agent@recoupable.dev`
 - **App URL**: `https://chat.recoupable.dev`
 - **Website**: `https://recoupable.com`
 - **Social URLs**:
diff --git a/api-reference/openapi/accounts.json b/api-reference/openapi/accounts.json
index 2c8b60cc..aa1b55eb 100644
--- a/api-reference/openapi/accounts.json
+++ b/api-reference/openapi/accounts.json
@@ -910,7 +910,7 @@
     },
     "/api/emails": {
       "post": {
-        "description": "Send an email to one or more recipients. Emails are sent from `Agent by Recoup <agent@recoupable.com>`.",
+        "description": "Send an email to one or more recipients. Emails are sent from `Agent by Recoup <agent@recoupable.dev>`.",
         "requestBody": {
           "description": "Email payload",
           "required": true,
@@ -2809,7 +2809,7 @@
           "message": {
             "type": "string",
             "description": "Human-readable result message",
-            "example": "Email sent successfully from Agent by Recoup <agent@recoupable.com> to recipient@example.com."
+            "example": "Email sent successfully from Agent by Recoup <agent@recoupable.dev> to recipient@example.com."
           },
           "id": {
             "type": "string",
diff --git a/docs.json b/docs.json
index 383eed4c..14aa944d 100644
--- a/docs.json
+++ b/docs.json
@@ -430,7 +430,7 @@
     "links": [
       {
         "label": "Support",
-        "href": "mailto:agent@recoupable.com"
+        "href": "mailto:agent@recoupable.dev"
       }
     ],
     "primary": {
diff --git a/index.mdx b/index.mdx
index adb03dbc..4e590e2f 100644
--- a/index.mdx
+++ b/index.mdx
@@ -195,7 +195,7 @@ Base URL: `https://api.recoupable.dev/api`
 <Card
   title="Contact Support"
   icon="envelope"
-  href="mailto:agent@recoupable.com"
+  href="mailto:agent@recoupable.dev"
 >
-  Reach out to our team at agent@recoupable.com for assistance with the Recoup API.
+  Reach out to our team at agent@recoupable.dev for assistance with the Recoup API.
 </Card>
diff --git a/quickstart.mdx b/quickstart.mdx
index 4ccaee80..2b71dc79 100644
--- a/quickstart.mdx
+++ b/quickstart.mdx
@@ -172,4 +172,4 @@ With your API key ready, you can now:
 
 ## Support
 
-If you need help or have questions about the API, please contact our support team at [agent@recoupable.com](mailto:agent@recoupable.com).
+If you need help or have questions about the API, please contact our support team at [agent@recoupable.dev](mailto:agent@recoupable.dev).