diff --git a/src/devTier.js b/src/devTier.js
new file mode 100644
index 0000000..de896cb
--- /dev/null
+++ b/src/devTier.js
@@ -0,0 +1,11 @@
+const fs = require("fs");
+
+function devTier(json_file) {
+    const schema = JSON.parse(fs.readFileSync(json_file, 'utf8'));
+    schema["paths"]["/api/v1beta/projects/{project_id}/clusters"]["post"]["x-code-samples"][0]["lang"] = "curl for Dedicated Tier";
+    schema["paths"]["/api/v1beta/projects/{project_id}/clusters"]["post"]["x-code-samples"].push({"lang": "curl for Developer Tier", "source":  "curl --digest \\\n  --user 'YOUR_PUBLIC_KEY:YOUR_PRIVATE_KEY' \\\n  --request POST \\\n  --url https://api.tidbcloud.com/api/v1beta/projects/{project_id}/clusters \\\n  --header 'content-type: application/json' \\\n  --data '{\"name\":\"Cluster0\",\"cluster_type\":\"SHARED\",\"cloud_provider\":\"AWS\",\"region\":\"us-west-2\",\"config\":{\"root_password\":\"password_example\",\"ip_access_list\":{\"items\":[{\"cidr\":\"8.8.8.8/32\",\"description\":\"My IP Address\"}]}}}'"});
+    fs.writeFileSync(json_file, JSON.stringify(schema, null, 2));
+    console.log(`Add dev tier to ${json_file}`);
+}
+
+module.exports = devTier;
diff --git a/src/main.js b/src/main.js
index ec4dc2c..f80c238 100644
--- a/src/main.js
+++ b/src/main.js
@@ -4,6 +4,8 @@ const deref = require("./deref.js");
 const importMd = require("./importmd.js");
 const addLogo = require("./addlogo.js");
 const genSampleCode = require("./gencode.js");
+const devTier = require("./devTier.js");
+
 const program = new Command();
 program
     .name("postprocess")
@@ -31,4 +33,8 @@ program.command("gencode")
     .description("Generate sample code to JSON as x-code-samples")
     .argument("<in-filename>", "Target JSON file")
     .action(genSampleCode);
+program.command("devtier")
+    .description("Add sample for creating a dev tier cluster")
+    .argument("<in-filename", "Target JSON file")
+    .action(devTier)
 program.parse();