diff --git a/packages/agent/src/server/agent-server.configure-environment.test.ts b/packages/agent/src/server/agent-server.configure-environment.test.ts
index b62f93383d..ab53562795 100644
--- a/packages/agent/src/server/agent-server.configure-environment.test.ts
+++ b/packages/agent/src/server/agent-server.configure-environment.test.ts
@@ -144,6 +144,23 @@ describe("AgentServer.configureEnvironment", () => {
     expect(env.anthropicBaseUrl).toBe("https://gateway.us.posthog.com/signals");
   });
 
+  it.each([{ isInternal: true }, { isInternal: false }] as const)(
+    "tags as conversations when origin_product is 'support_reply' (isInternal=$isInternal)",
+    ({ isInternal }) => {
+      const env = buildServer("background").configureEnvironment({
+        isInternal,
+        originProduct: "support_reply",
+      });
+
+      expect(env.anthropicBaseUrl).toBe(
+        "https://gateway.us.posthog.com/conversations",
+      );
+      expect(env.openaiBaseUrl).toBe(
+        "https://gateway.us.posthog.com/conversations/v1",
+      );
+    },
+  );
+
   it("forwards task metadata as anthropicCustomHeaders", () => {
     const env = buildServer("background").configureEnvironment({
       isInternal: true,
diff --git a/packages/agent/src/utils/gateway.test.ts b/packages/agent/src/utils/gateway.test.ts
index 2320e7f452..9a2bc0a2aa 100644
--- a/packages/agent/src/utils/gateway.test.ts
+++ b/packages/agent/src/utils/gateway.test.ts
@@ -49,6 +49,16 @@ describe("resolveGatewayProduct", () => {
       originProduct: "posthog_ai",
       expected: "posthog_ai",
     },
+    {
+      isInternal: false,
+      originProduct: "support_reply",
+      expected: "conversations",
+    },
+    {
+      isInternal: true,
+      originProduct: "support_reply",
+      expected: "conversations",
+    },
   ] as const)(
     "isInternal=$isInternal originProduct=$originProduct -> $expected",
     ({ isInternal, originProduct, expected }) => {
diff --git a/packages/agent/src/utils/gateway.ts b/packages/agent/src/utils/gateway.ts
index 7f024fbb88..cbab72646f 100644
--- a/packages/agent/src/utils/gateway.ts
+++ b/packages/agent/src/utils/gateway.ts
@@ -3,7 +3,8 @@ export type GatewayProduct =
   | "background_agents"
   | "signals"
   | "slack_app"
-  | "posthog_ai";
+  | "posthog_ai"
+  | "conversations";
 
 export function resolveGatewayProduct({
   isInternal,
@@ -21,6 +22,9 @@ export function resolveGatewayProduct({
   if (originProduct === "signal_report" || originProduct === "signals_scout") {
     return "signals";
   }
+  if (originProduct === "support_reply") {
+    return "conversations";
+  }
   if (isInternal) {
     return "background_agents";
   }