From fae9ec6de53d4d21af1d7101eff934d1af042ca8 Mon Sep 17 00:00:00 2001
From: Lucas Raschek <lucas@raschek.at>
Date: Wed, 25 Feb 2026 20:08:59 +0100
Subject: [PATCH 1/2] fix: rename routeId parameter to route

---
 .../java/co/lettermint/endpoints/EmailEndpoint.java  | 12 ++++++------
 src/test/java/co/lettermint/EmailEndpointTest.java   |  4 ++--
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/main/java/co/lettermint/endpoints/EmailEndpoint.java b/src/main/java/co/lettermint/endpoints/EmailEndpoint.java
index d380752..710940e 100644
--- a/src/main/java/co/lettermint/endpoints/EmailEndpoint.java
+++ b/src/main/java/co/lettermint/endpoints/EmailEndpoint.java
@@ -21,7 +21,7 @@ public class EmailEndpoint extends Endpoint {
     private String text;
     private Map<String, String> headers;
     private List<Attachment> attachments;
-    private String routeId;
+    private String route;
     private Map<String, Object> metadata;
     private List<String> tags;
     private String idempotencyKey;
@@ -45,7 +45,7 @@ private void reset() {
         this.text = null;
         this.headers = new LinkedHashMap<>();
         this.attachments = new ArrayList<>();
-        this.routeId = null;
+        this.route = null;
         this.metadata = new LinkedHashMap<>();
         this.tags = new ArrayList<>();
         this.idempotencyKey = null;
@@ -158,8 +158,8 @@ public EmailEndpoint attach(String filename, String content, String contentId) {
     /**
      * Set the route ID for sending through a specific route.
      */
-    public EmailEndpoint route(String routeId) {
-        this.routeId = routeId;
+    public EmailEndpoint route(String route) {
+        this.route = route;
         return this;
     }
 
@@ -257,8 +257,8 @@ private Map<String, Object> buildPayload() {
             payload.put("attachments", attachments);
         }
 
-        if (routeId != null) {
-            payload.put("route_id", routeId);
+        if (route != null) {
+            payload.put("route", route);
         }
 
         if (!metadata.isEmpty()) {
diff --git a/src/test/java/co/lettermint/EmailEndpointTest.java b/src/test/java/co/lettermint/EmailEndpointTest.java
index 66c20d7..64a56f2 100644
--- a/src/test/java/co/lettermint/EmailEndpointTest.java
+++ b/src/test/java/co/lettermint/EmailEndpointTest.java
@@ -81,7 +81,7 @@ void testEmailWithAllOptions() throws Exception {
                 .headers(headers)
                 .attach("document.pdf", "base64content")
                 .attach("logo.png", "base64logo", "logo-cid")
-                .route("route_123")
+                .route("route-slug-123")
                 .metadata(metadata)
                 .tag("welcome", "onboarding")
                 .idempotencyKey("unique-key-123")
@@ -101,7 +101,7 @@ void testEmailWithAllOptions() throws Exception {
         assertTrue(body.contains("\"subject\":\"Welcome!\""));
         assertTrue(body.contains("\"html\":\"<p>Hello <b>World</b></p>\""));
         assertTrue(body.contains("\"text\":\"Hello World\""));
-        assertTrue(body.contains("\"route_id\":\"route_123\""));
+        assertTrue(body.contains("\"route\":\"route-slug-123\""));
         assertTrue(body.contains("\"tags\":[\"welcome\",\"onboarding\"]"));
     }
 

From 608ff3b402731f01c836cf281f6a04c11ca74a62 Mon Sep 17 00:00:00 2001
From: Lucas Raschek <lucas@raschek.at>
Date: Wed, 25 Feb 2026 20:13:15 +0100
Subject: [PATCH 2/2] fix: naming in docs

---
 src/main/java/co/lettermint/endpoints/EmailEndpoint.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/co/lettermint/endpoints/EmailEndpoint.java b/src/main/java/co/lettermint/endpoints/EmailEndpoint.java
index 710940e..b20ff75 100644
--- a/src/main/java/co/lettermint/endpoints/EmailEndpoint.java
+++ b/src/main/java/co/lettermint/endpoints/EmailEndpoint.java
@@ -156,7 +156,7 @@ public EmailEndpoint attach(String filename, String content, String contentId) {
     }
 
     /**
-     * Set the route ID for sending through a specific route.
+     * Set the route slug for sending through a specific route.
      */
     public EmailEndpoint route(String route) {
         this.route = route;