diff --git a/docs/async-api/async-api.json b/docs/async-api/async-api.json
index 418409cf..d45dae2b 100644
--- a/docs/async-api/async-api.json
+++ b/docs/async-api/async-api.json
@@ -111,6 +111,9 @@
                         "type": "string",
                         "description": "The original long URL."
                     },
+                    "deviceLongUrls": {
+                        "$ref": "#/components/schemas/DeviceLongUrls"
+                    },
                     "dateCreated": {
                         "type": "string",
                         "format": "date-time",
@@ -152,6 +155,11 @@
                     "shortCode": "12C18",
                     "shortUrl": "https://s.test/12C18",
                     "longUrl": "https://store.steampowered.com",
+                    "deviceLongUrls": {
+                        "android": "https://store.steampowered.com/android",
+                        "ios": "https://store.steampowered.com/ios",
+                        "desktop": null
+                    },
                     "dateCreated": "2016-08-21T20:34:16+02:00",
                     "visitsSummary": {
                         "total": 328,
@@ -215,6 +223,24 @@
                     }
                 }
             },
+            "DeviceLongUrls": {
+                "type": "object",
+                "required": ["android", "ios", "desktop"],
+                "properties": {
+                    "android": {
+                        "description": "The long URL to redirect to when the short URL is visited from a device running Android",
+                        "type": "string"
+                    },
+                    "ios": {
+                        "description": "The long URL to redirect to when the short URL is visited from a device running iOS",
+                        "type": "string"
+                    },
+                    "desktop": {
+                        "description": "The long URL to redirect to when the short URL is visited from a desktop browser",
+                        "type": "string"
+                    }
+                }
+            },
             "Visit": {
                 "type": "object",
                 "properties": {