diff --git a/__tests__/schemas.spec.ts b/__tests__/schemas.spec.ts
index 7cc5e13..b325803 100644
--- a/__tests__/schemas.spec.ts
+++ b/__tests__/schemas.spec.ts
@@ -11,9 +11,9 @@ import { isValidSchema, getValidationWithDependencies } from '../utilities';
 
 // @ts-ignore
 const testGroup = ({ schemaName, schema, schemaTests }) => {
-    // pgps has an array response that is valid that needs to be converted to an array of arrays
+    // pgps and pgnss have an array response that is valid that needs to be converted to an array of arrays
     const chosen =
-        schemaName === 'pgps' && Array.isArray(schemaTests)
+        ['pgps', 'pgnss'].includes(schemaName.toLowerCase()) && Array.isArray(schemaTests)
             ? [schemaTests]
             : schemaTests;
 
diff --git a/schemas/cloudToDevice/pgnss-error/pgnss-err-example.json b/schemas/cloudToDevice/pgnss-error/pgnss-err-example.json
new file mode 100644
index 0000000..2021ca5
--- /dev/null
+++ b/schemas/cloudToDevice/pgnss-error/pgnss-err-example.json
@@ -0,0 +1,5 @@
+{
+    "appId": "PGNSS",
+    "messageType": "DATA",
+    "err": 42200
+}
diff --git a/schemas/cloudToDevice/pgnss-error/pgnss.json b/schemas/cloudToDevice/pgnss-error/pgnss.json
new file mode 100644
index 0000000..faae591
--- /dev/null
+++ b/schemas/cloudToDevice/pgnss-error/pgnss.json
@@ -0,0 +1,24 @@
+{
+   "title":"PGNSS Position Error Response",
+   "description":"Responds with error. Successful response is documented in 'pgnss' directory.",
+   "type":"object",
+   "properties":{
+      "appId":{
+         "type":"string",
+         "const":"PGNSS"
+      },
+      "messageType":{
+         "type":"string",
+         "const":"DATA"
+      },
+      "err": {
+         "type":"integer"
+      }
+   },
+   "additionalProperties":false,
+   "required":[
+      "appId",
+      "messageType",
+      "err"
+   ]
+}
diff --git a/schemas/cloudToDevice/pgnss/pgnss-config-example.json b/schemas/cloudToDevice/pgnss/pgnss-config-example.json
new file mode 100644
index 0000000..92b6fc4
--- /dev/null
+++ b/schemas/cloudToDevice/pgnss/pgnss-config-example.json
@@ -0,0 +1,4 @@
+[
+    "pgps.nrfcloud.com",
+    "public/15286-79200_15293-64800.bin"
+]
\ No newline at end of file
diff --git a/schemas/cloudToDevice/pgnss/pgnss.json b/schemas/cloudToDevice/pgnss/pgnss.json
new file mode 100644
index 0000000..b74be5e
--- /dev/null
+++ b/schemas/cloudToDevice/pgnss/pgnss.json
@@ -0,0 +1,19 @@
+{
+   "title": "PGNSS Success Response",
+   "description": "Responds with link to PGNSS file on success.",
+   "type": "array",
+   "prefixItems": [
+      {
+         "type": "string",
+         "description": "Host. The protocol agnostic URL for accessing PGNSS prediction files.",
+         "pattern": "pgps\\.nrfcloud\\.com"
+      },
+      {
+         "type": "string",
+         "description": "Path. The path to the file that contains PGNSS prediction data.",
+         "pattern": "public\\/.+.bin"
+      }
+   ],
+   "minItems": 2,
+   "items": false
+}
\ No newline at end of file
diff --git a/schemas/deviceToCloud/pgnss/pgnss-default-example.json b/schemas/deviceToCloud/pgnss/pgnss-default-example.json
new file mode 100644
index 0000000..9ba5026
--- /dev/null
+++ b/schemas/deviceToCloud/pgnss/pgnss-default-example.json
@@ -0,0 +1,6 @@
+{
+    "appId": "PGNSS",
+    "messageType": "DATA",
+    "data": {
+    }
+}
diff --git a/schemas/deviceToCloud/pgnss/pgnss-example.json b/schemas/deviceToCloud/pgnss/pgnss-example.json
new file mode 100644
index 0000000..dd19788
--- /dev/null
+++ b/schemas/deviceToCloud/pgnss/pgnss-example.json
@@ -0,0 +1,10 @@
+{
+    "appId": "PGNSS",
+    "messageType": "DATA",
+    "data": {
+        "startGpsDay": 234234,
+        "startGpsTimeOfDaySeconds": 85399,
+        "predictionCount": 84,
+        "predictionIntervalMinutes": 240
+    }
+}
diff --git a/schemas/deviceToCloud/pgnss/pgnss.json b/schemas/deviceToCloud/pgnss/pgnss.json
new file mode 100644
index 0000000..8728184
--- /dev/null
+++ b/schemas/deviceToCloud/pgnss/pgnss.json
@@ -0,0 +1,63 @@
+{
+    "title": "PGNSS",
+    "description": "PGNSS request",
+    "type": "object",
+    "properties": {
+        "appId": {
+            "type": "string",
+            "const": "PGNSS"
+        },
+        "messageType": {
+            "type": "string",
+            "const": "DATA"
+        },
+        "data": {
+            "type": "object",
+            "properties": {
+                "startGpsDay": {
+                    "$ref": "#/definitions/StartGpsDay"
+                },
+                "startGpsTimeOfDaySeconds": {
+                    "$ref": "#/definitions/StartGpsTimeOfDaySeconds"
+                },
+                "predictionCount": {
+                    "$ref": "#/definitions/PredictionCount"
+                },
+                "predictionIntervalMinutes": {
+                    "$ref": "#/definitions/PredictionIntervalMinutes"
+                }
+            }
+        }
+    },
+    "definitions": {
+        "StartGpsDay": {
+            "type": "integer",
+            "description": "GPS day to start the predictions."
+        },
+        "StartGpsTimeOfDaySeconds": {
+            "type": "integer",
+            "description": "Time of day (in seconds) to start collecting the GPS predictions.",
+            "minimum": 0,
+            "maximum": 86400
+        },
+        "PredictionCount": {
+            "type": "integer",
+            "description": "Number of GPS predictions (4 hour periods) to return. There are 6 predictions per day. You can request up to 14 days.",
+            "minimum": 1,
+            "maximum": 84
+        },
+        "PredictionIntervalMinutes": {
+            "type": "integer",
+            "description": "The interval (in minutes) at which predictions are spaced.",
+            "minimum": 120,
+            "maximum": 480,
+            "multipleOf": 60
+        }
+    },
+    "required":[
+        "appId",
+        "messageType",
+        "data"
+     ],
+     "additionalProperties": false
+}