diff --git a/README.md b/README.md
index c180951..0479f8b 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,8 @@ npx @octomind/cli execute \
   --test-target-id <id> \
   --url <url> \
   [--environment <name>] \
+  [--tags <list of tags>] \
+  [-v, --variables-to-overwrite <variables>] \
   [--description <text>] \
   [--tags <tags> ] \
   [--json]
@@ -34,6 +36,8 @@ Options:
 - `-u, --url` (required): URL to test
 - `-e, --environment`: Environment name (default: "default")
 - `-d, --description`: Test description
+- `-g, --tags`: comma separated list of tags for tests to execute
+- `-v, --variables-to-overwrite`: JSON object for variables to override for this run e.g. `{ "key": ["v1", "v2"]}`
 - `-j, --json`: Output raw JSON response
 - `-g, --tags <tags>`: comma separated list of tags
 
diff --git a/src/cli.ts b/src/cli.ts
index bfecf48..1669f8e 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -15,7 +15,7 @@ const apiKeyOption = new Option(
   "-k, --api-key <key>",
   "the api key for authentication",
 )
-  .env("API_KEY")
+  .env("APIKEY")
   .makeOptionMandatory();
 
 const createCommandWithCommonOptions = (command: string): Command => {
@@ -26,6 +26,7 @@ const createCommandWithCommonOptions = (command: string): Command => {
 };
 
 const splitter = (value: string): string[] => value.split(/,| /);
+const toJSON = (value: string): object => JSON.parse(value);
 
 export const buildCmd = (): Command => {
   program
@@ -41,6 +42,11 @@ export const buildCmd = (): Command => {
     .option("-e, --environment <name>", "Environment name", "default")
     .option("-d, --description <text>", "Test description")
     .option("-g, --tags <tags>", "comma separated list of tags", splitter)
+    .option(
+      "-v, --variables-to-overwrite <variables>",
+      "JSON object of variables to overwrite",
+      toJSON,
+    )
     .action(executeTests);
 
   createCommandWithCommonOptions("report")
diff --git a/src/types.ts b/src/types.ts
index 7a5a7ea..cba3100 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -19,6 +19,7 @@ export interface TestTargetExecutionRequest {
   context: ExecutionContext;
   environmentName?: string;
   tags?: string[];
+  variablesToOverwrite?: Record<string, string[]>;
 }
 
 export interface TestResult {
@@ -68,6 +69,7 @@ export interface ExecuteTestsOptions {
   description?: string;
   json?: boolean;
   tags?: string[];
+  variablesToOverwrite?: Record<string, string[]>;
 }
 
 export interface GetTestReportOptions {
diff --git a/tests/cli.spec.ts b/tests/cli.spec.ts
index ee53a91..31911d4 100644
--- a/tests/cli.spec.ts
+++ b/tests/cli.spec.ts
@@ -19,12 +19,12 @@ describe("CLI Commands parsing options", () => {
 
   beforeAll(() => {
     buildCmd();
-  });
-
-  it("should parse executeTests tags option with comma", () => {
     program.exitOverride((err) => {
       throw err;
     });
+  });
+
+  it("should parse executeTests tags option with comma", () => {
     program.parse([...stdArgs, "--tags", "tag1,tags2"]);
     expect(executeTests).toHaveBeenCalledWith(
       expect.objectContaining({
@@ -35,9 +35,6 @@ describe("CLI Commands parsing options", () => {
   });
 
   it("should parse executeTests tags option with space", () => {
-    program.exitOverride((err) => {
-      throw err;
-    });
     program.parse([...stdArgs, "--tags", "tag1 tags2"]);
     expect(executeTests).toHaveBeenCalledWith(
       expect.objectContaining({
@@ -48,9 +45,6 @@ describe("CLI Commands parsing options", () => {
   });
 
   it("should parse executeTests tags option with |", () => {
-    program.exitOverride((err) => {
-      throw err;
-    });
     program.parse([...stdArgs, "--tags", "tag1|tags2"]);
     expect(executeTests).toHaveBeenCalledWith(
       expect.objectContaining({
@@ -61,9 +55,6 @@ describe("CLI Commands parsing options", () => {
   });
 
   it("should parse executeTests tags option always as array", () => {
-    program.exitOverride((err) => {
-      throw err;
-    });
     program.parse([...stdArgs, "--tags", "tag1"]);
     expect(executeTests).toHaveBeenCalledWith(
       expect.objectContaining({
@@ -72,4 +63,18 @@ describe("CLI Commands parsing options", () => {
       expect.anything(),
     );
   });
+
+  it("should parse executeTests vars option as JSON", () => {
+    program.parse([
+      ...stdArgs,
+      "--variables-to-overwrite",
+      '{ "foo": ["bar"] }',
+    ]);
+    expect(executeTests).toHaveBeenCalledWith(
+      expect.objectContaining({
+        variablesToOverwrite: { foo: ["bar"] },
+      }),
+      expect.anything(),
+    );
+  });
 });