diff --git a/lib/tempest/xrpc/server.ex b/lib/tempest/xrpc/server.ex
index b98aa57..1b1bc51 100644
--- a/lib/tempest/xrpc/server.ex
+++ b/lib/tempest/xrpc/server.ex
@@ -10,6 +10,7 @@ defmodule Tempest.Xrpc.Server do
 
     {:ok,
      %{
+       did: "did:web:#{config.hostname}",
        availableUserDomains: [available_user_domain(config.hostname)],
        inviteCodeRequired: false,
        links: %{
diff --git a/test/smoke/deployment.hurl b/test/smoke/deployment.hurl
index 642a39b..685f731 100644
--- a/test/smoke/deployment.hurl
+++ b/test/smoke/deployment.hurl
@@ -23,6 +23,7 @@ GET {{base_url}}/xrpc/com.atproto.server.describeServer
 HTTP 200
 [Asserts]
 header "content-type" contains "application/json"
+jsonpath "$.did" exists
 jsonpath "$.availableUserDomains" exists
 jsonpath "$.inviteCodeRequired" == false
 jsonpath "$.links.privacyPolicy" exists
diff --git a/test/smoke/xrpc.hurl b/test/smoke/xrpc.hurl
index d20e78f..5f285a5 100644
--- a/test/smoke/xrpc.hurl
+++ b/test/smoke/xrpc.hurl
@@ -8,6 +8,7 @@ GET {{base_url}}/xrpc/com.atproto.server.describeServer
 HTTP 200
 [Asserts]
 header "content-type" contains "application/json"
+jsonpath "$.did" exists
 jsonpath "$.availableUserDomains" exists
 jsonpath "$.inviteCodeRequired" == false
 jsonpath "$.links.privacyPolicy" exists
diff --git a/test/tempest_web/controllers/xrpc_controller_test.exs b/test/tempest_web/controllers/xrpc_controller_test.exs
index 5d5b967..b63d6ae 100644
--- a/test/tempest_web/controllers/xrpc_controller_test.exs
+++ b/test/tempest_web/controllers/xrpc_controller_test.exs
@@ -7,6 +7,7 @@ defmodule TempestWeb.XrpcControllerTest do
 
     assert get_resp_header(conn, "content-type") == ["application/json; charset=utf-8"]
     assert get_resp_header(conn, "access-control-allow-origin") == ["*"]
+    assert response["did"] == "did:web:localhost"
     assert response["availableUserDomains"] == [".localhost"]
     assert response["inviteCodeRequired"] == false
     assert response["links"]["privacyPolicy"] == nil