diff --git a/website/source/api/agent/service.html.md b/website/source/api/agent/service.html.md
index 569ad0cfff..033a620114 100644
--- a/website/source/api/agent/service.html.md
+++ b/website/source/api/agent/service.html.md
@@ -53,6 +53,9 @@ $ curl \
     "Service": "redis",
     "Tags": [],
     "Address": "",
+    "ServiceMeta": {
+      "redis_version": "4.0"
+    },
     "Port": 8000
   }
 }
@@ -96,6 +99,9 @@ The table below shows this endpoint's support for
   provided, the agent's address is used as the address for the service during
   DNS queries.
 
+- `ServiceMeta` `(map<string|string>: nil)` - Specifies arbitrary KV metadata
+  linked to the service instance.
+
 - `Port` `(int: 0)` - Specifies the port of the service.
 
 - `Check` `(Check: nil)` - Specifies a check. Please see the
@@ -103,7 +109,7 @@ The table below shows this endpoint's support for
   accepted fields. If you don't provide a name or id for the check then they
   will be generated. To provide a custom id and/or name set the `CheckID`
   and/or `Name` field.
-  
+
 - `Checks` `(array<Check>: nil`) - Specifies a list of checks. Please see the
   [check documentation](/api/agent/check.html) for more information about the
   accepted fields. If you don't provide a name or id for the check then they
@@ -147,6 +153,9 @@ The table below shows this endpoint's support for
   ],
   "Address": "127.0.0.1",
   "Port": 8000,
+  "ServiceMeta": {
+    "redis_version": "4.0"
+  },
   "EnableTagOverride": false,
   "Check": {
     "DeregisterCriticalServiceAfter": "90m",
diff --git a/website/source/api/catalog.html.md b/website/source/api/catalog.html.md
index db92c7f19c..b63837e02e 100644
--- a/website/source/api/catalog.html.md
+++ b/website/source/api/catalog.html.md
@@ -54,7 +54,7 @@ The table below shows this endpoint's support for
 - `Service` `(Service: nil)` - Specifies to register a service. If `ID` is not
   provided, it will be defaulted to the value of the `Service.Service` property.
   Only one service with a given `ID` may be present per node. The service
-  `Tags`, `Address`, and `Port` fields are all optional.
+  `Tags`, `Address`, `ServiceMeta` and `Port` fields are all optional.
 
 - `Check` `(Check: nil)` - Specifies to register a check. The register API
   manipulates the health check entry in the Catalog, but it does not setup the
@@ -105,6 +105,9 @@ and vice versa. A catalog entry can have either, neither, or both.
       "v1"
     ],
     "Address": "127.0.0.1",
+    "ServiceMeta": {
+        "redis_version": "4.0"
+    },
     "Port": 8000
   },
   "Check": {
@@ -432,6 +435,9 @@ $ curl \
     "ServiceID": "32a2a47f7992:nodea:5000",
     "ServiceName": "foobar",
     "ServicePort": 5000,
+    "ServiceMeta": {
+        "foobar_meta_value": "baz"
+    },
     "ServiceTags": [
       "tacos"
     ]
@@ -467,6 +473,8 @@ $ curl \
 
 - `ServiceName` is the name of the service
 
+- `ServiceMeta` is a list of user-defined metadata key/value pairs for the service
+
 - `ServicePort` is the port number of the service
 
 - `ServiceTags` is a list of tags for the service
@@ -529,6 +537,7 @@ $ curl \
       "ID": "consul",
       "Service": "consul",
       "Tags": null,
+      "ServiceMeta": {},
       "Port": 8300
     },
     "redis": {
@@ -537,6 +546,9 @@ $ curl \
       "Tags": [
         "v1"
       ],
+      "ServiceMeta": {
+        "redis_version": "4.0"
+      },
       "Port": 8000
     }
   }
diff --git a/website/source/api/health.html.md b/website/source/api/health.html.md
index 6f1639bb50..f144451bdb 100644
--- a/website/source/api/health.html.md
+++ b/website/source/api/health.html.md
@@ -216,6 +216,9 @@ $ curl \
       "Service": "redis",
       "Tags": ["primary"],
       "Address": "10.1.10.12",
+      "ServiceMeta": {
+        "redis_version": "4.0"
+      },
       "Port": 8000
     },
     "Checks": [
diff --git a/website/source/api/query.html.md b/website/source/api/query.html.md
index 62b8ca5757..e12c0d7545 100644
--- a/website/source/api/query.html.md
+++ b/website/source/api/query.html.md
@@ -241,6 +241,7 @@ The table below shows this endpoint's support for
     "Near": "node1",
     "OnlyPassing": false,
     "Tags": ["primary", "!experimental"],
+    "ServiceMeta": {"redis_version": "4.0"},
     "NodeMeta": {"instance_type": "m3.large"}
   },
   "DNS": {
@@ -313,6 +314,7 @@ $ curl \
       },
       "OnlyPassing": false,
       "Tags": ["primary", "!experimental"],
+      "ServiceMeta": {"redis_version": "4.0"},
       "NodeMeta": {"instance_type": "m3.large"}
     },
     "DNS": {
@@ -510,6 +512,7 @@ $ curl \
         "ID": "redis",
         "Service": "redis",
         "Tags": null,
+        "ServiceMeta": {"redis_version": "4.0"},
         "Port": 8000
       },
       "Checks": [
@@ -616,6 +619,7 @@ $ curl \
       },
       "OnlyPassing": true,
       "Tags": ["primary"],
+      "ServiceMeta": { "mysql_version": "5.7.20" },
       "NodeMeta": {"instance_type": "m3.large"}
     }
   }