diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
new file mode 100644
index 0000000..2655e86
--- /dev/null
+++ b/.github/workflows/validate.yml
@@ -0,0 +1,22 @@
+name: validate-json
+
+on:
+  [push]
+  # push:
+  #   branches: ["main"]
+  # pull_request:
+  #   branches: ["main"]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ">=1.22.4"
+      - name: Install dependencies
+        run: go install github.com/santhosh-tekuri/jsonschema/cmd/jv@latest
+      - name: Validate JSON files
+        run: jv test/data/snapshot-schema.json test/data/json/*.json
diff --git a/test/data/json/example.json b/test/data/json/example.json
new file mode 100644
index 0000000..d9a1239
--- /dev/null
+++ b/test/data/json/example.json
@@ -0,0 +1,60 @@
+[
+  {
+    "id": "f103c749-9932-48bb-8f61-2e8ed2beacc3",
+    "start_at": "2012-03-29T10:05:45-06:00",
+    "end_at": "2012-03-29T10:05:45-06:00",
+    "title": "hello user - this needs translation",
+    "description": "lorem ipsum user - this needs translation",
+    "CTA": "lorem ipsum user - this needs translation",
+    "URL": "https://thunderbird.net",
+    "severity": 5,
+    "type": "donation",
+    "targeting": {
+      "percent_chance": 10,
+      "exclude": [
+        {
+          "locales": [],
+          "versions": [],
+          "channels": [],
+          "operating_systems": []
+        }
+      ],
+      "include": [
+        {
+          "locales": [],
+          "versions": [],
+          "channels": []
+        }
+      ]
+    }
+  },
+  {
+    "id": "f103c749-9932-48bb-8f61-2e8ed2beacc3",
+    "start_at": "2012-03-29T10:05:45-06:00",
+    "end_at": "2024-05-03T15:49:20.331Z",
+    "title": "hello user - this needs translation",
+    "description": "lorem ipsum user - this needs translation",
+    "CTA": "lorem ipsum user - this needs translation",
+    "URL": "https://thunderbird.net",
+    "severity": 5,
+    "type": "donation",
+    "targeting": {
+      "percent_chance": 10,
+      "exclude": [
+        {
+          "locales": [],
+          "versions": [],
+          "channels": [],
+          "operating_systems": []
+        }
+      ],
+      "include": [
+        {
+          "locales": [],
+          "versions": [],
+          "channels": []
+        }
+      ]
+    }
+  }
+]
diff --git a/test/data/snapshot-schema.json b/test/data/snapshot-schema.json
new file mode 100644
index 0000000..e33a93f
--- /dev/null
+++ b/test/data/snapshot-schema.json
@@ -0,0 +1,125 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "Thunderbird In-App Notifications",
+  "type": "array",
+  "items": {
+    "type": "object",
+    "properties": {
+      "id": {
+        "type": "string",
+        "format": "uuid",
+        "description": "Unique ID set by the server"
+      },
+      "start_at": {
+        "type": "string",
+        "format": "date-time",
+        "description": "UTC Timestamp after which Thunderbird will show the event after startup."
+      },
+      "end_at": {
+        "type": "string",
+        "format": "date-time",
+        "description": "UTC Timestamp after which Thunderbird will never show the event, even if it has never been shown to the user."
+      },
+      "title": {
+        "type": "string",
+        "description": "Short sentence describing the event which will be displayed in the Thunderbird UI."
+      },
+      "description": {
+        "type": "string",
+        "description": "A short paragraph that can contain HTML and will be displayed in the Thunderbird UI."
+      },
+      "URL": {
+        "type": "string",
+        "format": "uri",
+        "description": "URL to open from the CTA, if any."
+      },
+      "CTA": {
+        "type": "string",
+        "description": "Link text to show for the URL."
+      },
+      "severity": {
+        "enum": [1, 2, 3, 4, 5],
+        "description": "Severity level, where 1 is the most important/urgent and 5 is the least."
+      },
+      "type": {
+        "enum": ["donation", "message", "security", "blog"],
+        "description": "Category of notification."
+      },
+      "targeting": {
+        "type": "object",
+        "properties": {
+          "percent_chance": {
+            "type": "number",
+            "minimum": 0,
+            "maximum": 100
+          },
+          "exclude": {
+            "type": "array",
+            "items": {
+              "$ref": "#/definitions/profile"
+            }
+          },
+          "include": {
+            "type": "array",
+            "items": {
+              "$ref": "#/definitions/profile"
+            }
+          }
+        }
+      }
+    },
+    "required": [
+      "id",
+      "start_at",
+      "end_at",
+      "title",
+      "description",
+      "severity",
+      "type",
+      "targeting"
+    ],
+    "dependentRequired": { "CTA": ["URL"] }
+  },
+  "definitions": {
+    "profile": {
+      "type": "object",
+      "properties": {
+        "locales": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
+        "versions": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
+        "channels": {
+          "type": "array",
+          "items": {
+            "enum": ["default", "esr", "release", "beta", "daily"],
+            "description": "Channel"
+          }
+        },
+        "operating_systems": {
+          "type": "array",
+          "items": {
+            "enum": [
+              "win",
+              "macosx",
+              "linux",
+              "freebsd",
+              "openbsd",
+              "netbsd",
+              "solaris",
+              "other"
+            ],
+            "description": "Operating System"
+          }
+        }
+      }
+    }
+  }
+}