diff --git a/doc/README.md b/doc/README.md
index 3c1579f3269..58547e32cda 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -59,6 +59,8 @@ v3 APIs:
   * [Check Suites](repo/check_suites.md)
   * [Contents](repo/contents.md)
   * [Deployments](repo/deployments.md)
+    * [Secrets](environment/secrets.md)
+    * [Variables](environment/variables.md)
   * [Environments](repo/environments.md)
   * [Labels](repo/labels.md)
   * [Protection](repo/protection.md)
diff --git a/doc/environment/secrets.md b/doc/environment/secrets.md
new file mode 100644
index 00000000000..a956945d61b
--- /dev/null
+++ b/doc/environment/secrets.md
@@ -0,0 +1,46 @@
+## Environment / Secrets API
+[Back to the "Environments API"](../repo/environments.md) | [Back to the navigation](../README.md)
+
+### List environment secrets
+
+https://docs.github.com/en/rest/actions/secrets?apiVersion=2022-11-28
+
+```php
+$secrets = $client->environment()->secrets()->all($repoId, $envName);
+```
+
+### Get an environment secret
+
+https://docs.github.com/en/rest/actions/secrets?apiVersion=2022-11-28#get-an-environment-secret
+
+```php
+$secret = $client->environment()->secrets()->show($repoId, $envName, $secretName);
+```
+
+### Create or Update an environment secret
+
+https://docs.github.com/en/rest/actions/secrets?apiVersion=2022-11-28#create-or-update-an-environment-secret
+
+```php
+$client->environment()->secrets()->createOrUpdate($repoId, $envName, $secretName, [
+    'encrypted_value' => $encryptedValue,
+    'key_id' => $key_id
+]);
+```
+
+### Delete an environment secret
+
+https://docs.github.com/en/rest/reference/actions#delete-an-organization-secret
+
+```php
+$client->environment()->secrets()->remove($repoId, $envName, $secretName);
+```
+
+### Get an environment public key
+
+https://docs.github.com/en/rest/reference/actions#get-an-organization-public-key
+
+```php
+$client->environment()->secrets()->publicKey($repoId, $envName);
+```
+
diff --git a/doc/environment/variables.md b/doc/environment/variables.md
new file mode 100644
index 00000000000..d9de932589e
--- /dev/null
+++ b/doc/environment/variables.md
@@ -0,0 +1,49 @@
+## Environment / Variables API
+[Back to the "Environments API"](../repo/environments.md) | [Back to the navigation](../README.md)
+
+### List environment variables
+
+https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28#list-environment-variables
+
+```php
+$variables = $client->environment()->variables()->all($repoId, $envName);
+```
+
+### Get an environment variable
+
+https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28#get-an-environment-variable
+
+```php
+$variable = $client->environment()->variables()->show($repoId, $envName, $variableName);
+```
+
+### Create environment variable
+
+https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28#create-an-environment-variable
+
+```php
+$client->environment()->variables()->create($repoId, $envName, [
+    'name' => $name,
+    'value' => $value
+]);
+```
+
+### Update environment variable
+
+https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28#update-an-environment-variable
+
+```php
+$client->environment()->variables()->update($repoId, $envName, $variableName, [
+    'name' => $name,
+    'value' => $value
+]);
+```
+
+### Delete an environment variable
+
+https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28#delete-an-environment-variable
+
+```php
+$client->environment()->variables()->remove($repoId, $envName, $variableName);
+```
+
diff --git a/doc/repo/environments.md b/doc/repo/environments.md
index 56387ef8bfc..2d3e23a8796 100644
--- a/doc/repo/environments.md
+++ b/doc/repo/environments.md
@@ -3,6 +3,10 @@
 
 Provides information about environments for a repository. Wraps [GitHub Environments API](https://docs.github.com/en/rest/deployments/environments?apiVersion=2022-11-28).
 
+Additional APIs:
+* [Secrets API](environment/secrets.md)
+* [Variables API](environment/variables.md)
+
 #### List all environments.
 
 ```php
diff --git a/lib/Github/Api/Environment.php b/lib/Github/Api/Environment.php
index 057d1edf0d8..bab4b9ee4e6 100644
--- a/lib/Github/Api/Environment.php
+++ b/lib/Github/Api/Environment.php
@@ -2,6 +2,9 @@
 
 namespace Github\Api;
 
+use Github\Api\Environment\Secrets;
+use Github\Api\Environment\Variables;
+
 /**
  * Listing, creating and updating environments.
  *
@@ -67,4 +70,20 @@ public function remove(string $username, string $repository, string $name)
     {
         return $this->delete('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/environments/'.$name);
     }
+
+    /**
+     * @link https://docs.github.com/en/rest/actions/secrets?apiVersion=2022-11-28#about-secrets-in-github-actions
+     */
+    public function secrets(): Secrets
+    {
+        return new Secrets($this->getClient());
+    }
+
+    /**
+     * @link https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28#about-variables-in-github-actions
+     */
+    public function variables(): Variables
+    {
+        return new Variables($this->getClient());
+    }
 }
diff --git a/lib/Github/Api/Environment/Secrets.php b/lib/Github/Api/Environment/Secrets.php
new file mode 100644
index 00000000000..cef84c34958
--- /dev/null
+++ b/lib/Github/Api/Environment/Secrets.php
@@ -0,0 +1,80 @@
+<?php
+
+namespace Github\Api\Environment;
+
+use Github\Api\AbstractApi;
+
+/**
+ * @link https://docs.github.com/en/rest/actions/secrets?apiVersion=2022-11-28
+ */
+class Secrets extends AbstractApi
+{
+    /**
+     * @link https://docs.github.com/en/rest/actions/secrets?apiVersion=2022-11-28#list-environment-secrets
+     *
+     * @param int    $id
+     * @param string $name
+     *
+     * @return array|string
+     */
+    public function all(int $id, string $name)
+    {
+        return $this->get('/repositories/'.$id.'/environments/'.rawurlencode($name).'/secrets');
+    }
+
+    /**
+     * @link https://docs.github.com/en/rest/actions/secrets?apiVersion=2022-11-28#get-an-environment-secret
+     *
+     * @param int    $id
+     * @param string $name
+     * @param string $secretName
+     *
+     * @return array|string
+     */
+    public function show(int $id, string $name, string $secretName)
+    {
+        return $this->get('/repositories/'.$id.'/environments/'.rawurlencode($name).'/secrets/'.rawurlencode($secretName));
+    }
+
+    /**
+     * @link https://docs.github.com/en/rest/actions/secrets?apiVersion=2022-11-28#create-or-update-an-environment-secret
+     *
+     * @param int    $id
+     * @param string $name
+     * @param string $secretName
+     * @param array  $parameters
+     *
+     * @return array|string
+     */
+    public function createOrUpdate(int $id, string $name, string $secretName, array $parameters = [])
+    {
+        return $this->put('/repositories/'.$id.'/environments/'.rawurlencode($name).'/secrets/'.rawurlencode($secretName), $parameters);
+    }
+
+    /**
+     * @link https://docs.github.com/en/rest/actions/secrets?apiVersion=2022-11-28#delete-an-environment-secret
+     *
+     * @param int    $id
+     * @param string $name
+     * @param string $secretName
+     *
+     * @return array|string
+     */
+    public function remove(int $id, string $name, string $secretName)
+    {
+        return $this->delete('/repositories/'.$id.'/environments/'.rawurlencode($name).'/secrets/'.rawurlencode($secretName));
+    }
+
+    /**
+     * @link https://docs.github.com/en/rest/actions/secrets?apiVersion=2022-11-28#get-an-environment-public-key
+     *
+     * @param int    $id
+     * @param string $name
+     *
+     * @return array|string
+     */
+    public function publicKey(int $id, string $name)
+    {
+        return $this->get('/repositories/'.$id.'/environments/'.rawurlencode($name).'/secrets/public-key');
+    }
+}
diff --git a/lib/Github/Api/Environment/Variables.php b/lib/Github/Api/Environment/Variables.php
new file mode 100644
index 00000000000..035a8f605a3
--- /dev/null
+++ b/lib/Github/Api/Environment/Variables.php
@@ -0,0 +1,81 @@
+<?php
+
+namespace Github\Api\Environment;
+
+use Github\Api\AbstractApi;
+
+/**
+ * @link https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28
+ */
+class Variables extends AbstractApi
+{
+    /**
+     * @link https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28#list-environment-variables
+     *
+     * @param int    $id
+     * @param string $name
+     *
+     * @return array|string
+     */
+    public function all(int $id, string $name)
+    {
+        return $this->get('/repositories/'.$id.'/environments/'.rawurlencode($name).'/variables');
+    }
+
+    /**
+     * @link https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28#get-an-environment-variable
+     *
+     * @param int    $id
+     * @param string $name
+     * @param string $variableName
+     *
+     * @return array|string
+     */
+    public function show(int $id, string $name, string $variableName)
+    {
+        return $this->get('/repositories/'.$id.'/environments/'.rawurlencode($name).'/variables/'.rawurlencode($variableName));
+    }
+
+    /**
+     * @link https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28#create-an-environment-variable
+     *
+     * @param int    $id
+     * @param string $name
+     * @param array  $parameters
+     *
+     * @return array|string
+     */
+    public function create(int $id, string $name, array $parameters)
+    {
+        return $this->post('/repositories/'.$id.'/environments/'.rawurlencode($name).'/variables', $parameters);
+    }
+
+    /**
+     * @link https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28#update-an-environment-variable
+     *
+     * @param int    $id
+     * @param string $name
+     * @param string $variableName
+     * @param array  $parameters
+     *
+     * @return array|string
+     */
+    public function update(int $id, string $name, string $variableName, array $parameters)
+    {
+        return $this->patch('/repositories/'.$id.'/environments/'.rawurlencode($name).'/variables/'.rawurlencode($variableName), $parameters);
+    }
+
+    /**
+     * @link https://docs.github.com/en/rest/actions/variables?apiVersion=2022-11-28#delete-an-environment-variable
+     *
+     * @param int    $id
+     * @param string $name
+     * @param string $variableName
+     *
+     * @return array|string
+     */
+    public function remove(int $id, string $name, string $variableName)
+    {
+        return $this->delete('/repositories/'.$id.'/environments/'.rawurlencode($name).'/variables/'.rawurlencode($variableName));
+    }
+}
diff --git a/test/Github/Tests/Api/Environment/SecretsTest.php b/test/Github/Tests/Api/Environment/SecretsTest.php
new file mode 100644
index 00000000000..0609a64f0f6
--- /dev/null
+++ b/test/Github/Tests/Api/Environment/SecretsTest.php
@@ -0,0 +1,116 @@
+<?php
+
+namespace Github\Tests\Api\Environment;
+
+use Github\Api\Environment\Secrets;
+use Github\Tests\Api\TestCase;
+use PHPUnit\Framework\MockObject\MockObject;
+
+class SecretsTest extends TestCase
+{
+    /**
+     * @test
+     */
+    public function shouldGetEnvironmentSecrets()
+    {
+        $expectedArray = [
+            ['name' => 'name', 'created_at' => 'created_at', 'updated_at' => 'updated_at'],
+            ['name' => 'name', 'created_at' => 'created_at', 'updated_at' => 'updated_at'],
+            ['name' => 'name', 'created_at' => 'created_at', 'updated_at' => 'updated_at'],
+        ];
+
+        /** @var Secrets|MockObject $api */
+        $api = $this->getApiMock();
+
+        $api
+            ->expects($this->once())
+            ->method('get')
+            ->with('/repositories/3948501/environments/production/secrets')
+            ->will($this->returnValue($expectedArray));
+
+        $this->assertEquals($expectedArray, $api->all(3948501, 'production'));
+    }
+
+    /**
+     * @test
+     */
+    public function shouldGetEnvironmentSecret()
+    {
+        $expectedArray = [];
+
+        /** @var Secrets|MockObject $api */
+        $api = $this->getApiMock();
+
+        $api
+            ->expects($this->once())
+            ->method('get')
+            ->with('/repositories/3948501/environments/production/secrets/secretName')
+            ->will($this->returnValue($expectedArray));
+
+        $this->assertEquals($expectedArray, $api->show(3948501, 'production', 'secretName'));
+    }
+
+    /**
+     * @test
+     */
+    public function shouldUpdateOrCreateEnvironmentSecret()
+    {
+        $expectedValue = 'response';
+
+        /** @var Secrets|MockObject $api */
+        $api = $this->getApiMock();
+
+        $api
+            ->expects($this->once())
+            ->method('put')
+            ->with('/repositories/3948501/environments/production/secrets/secretName')
+            ->will($this->returnValue($expectedValue));
+
+        $this->assertEquals($expectedValue, $api->createOrUpdate(3948501, 'production', 'secretName', [
+            'encrypted_value' => 'foo', 'key_id' => 'key_id',
+        ]));
+    }
+
+    /**
+     * @test
+     */
+    public function shouldRemoveEnvironmentSecret()
+    {
+        $expectedValue = 'response';
+
+        /** @var Secrets|MockObject $api */
+        $api = $this->getApiMock();
+
+        $api
+            ->expects($this->once())
+            ->method('delete')
+            ->with('/repositories/3948501/environments/production/secrets/secretName')
+            ->will($this->returnValue($expectedValue));
+
+        $this->assertEquals($expectedValue, $api->remove(3948501, 'production', 'secretName'));
+    }
+
+    /**
+     * @test
+     */
+    public function shouldGetPublicKey()
+    {
+        $expectedArray = ['key_id' => 'key_id', 'key' => 'foo'];
+
+        /** @var Secrets|MockObject $api */
+        $api = $this->getApiMock();
+
+        $api
+            ->expects($this->once())
+            ->method('get')
+            ->with('/repositories/3948501/environments/production/secrets/public-key')
+            ->will($this->returnValue($expectedArray));
+
+        $this->assertEquals($expectedArray, $api->publicKey(3948501, 'production'));
+    }
+
+    protected function getApiClass()
+    {
+        return Secrets::class;
+    }
+}
diff --git a/test/Github/Tests/Api/Environment/VariablesTest.php b/test/Github/Tests/Api/Environment/VariablesTest.php
new file mode 100644
index 00000000000..0fc01193fd1
--- /dev/null
+++ b/test/Github/Tests/Api/Environment/VariablesTest.php
@@ -0,0 +1,118 @@
+<?php
+
+namespace Github\Tests\Api\Environment;
+
+use Github\Api\Environment\Variables;
+use Github\Tests\Api\TestCase;
+use PHPUnit\Framework\MockObject\MockObject;
+
+class VariablesTest extends TestCase
+{
+    /**
+     * @test
+     */
+    public function shouldGetEnvironmentVariables()
+    {
+        $expectedArray = [
+            ['name' => 'name', 'value' => 'value', 'created_at' => 'created_at', 'updated_at' => 'updated_at'],
+            ['name' => 'name', 'value' => 'value', 'created_at' => 'created_at', 'updated_at' => 'updated_at'],
+            ['name' => 'name', 'value' => 'value', 'created_at' => 'created_at', 'updated_at' => 'updated_at'],
+        ];
+
+        /** @var Variables|MockObject $api */
+        $api = $this->getApiMock();
+
+        $api
+            ->expects($this->once())
+            ->method('get')
+            ->with('/repositories/3948501/environments/production/variables')
+            ->will($this->returnValue($expectedArray));
+
+        $this->assertEquals($expectedArray, $api->all(3948501, 'production'));
+    }
+
+    /**
+     * @test
+     */
+    public function shouldGetEnvironmentVariable()
+    {
+        $expectedArray = [];
+
+        /** @var Variables|MockObject $api */
+        $api = $this->getApiMock();
+
+        $api
+            ->expects($this->once())
+            ->method('get')
+            ->with('/repositories/3948501/environments/production/variables/variableName')
+            ->will($this->returnValue($expectedArray));
+
+        $this->assertEquals($expectedArray, $api->show(3948501, 'production', 'variableName'));
+    }
+
+    /**
+     * @test
+     */
+    public function shouldCreateEnvironmentVariable()
+    {
+        $expectedValue = 'response';
+
+        /** @var Variables|MockObject $api */
+        $api = $this->getApiMock();
+
+        $api
+            ->expects($this->once())
+            ->method('post')
+            ->with('/repositories/3948501/environments/production/variables')
+            ->will($this->returnValue($expectedValue));
+
+        $this->assertEquals($expectedValue, $api->create(3948501, 'production', [
+            'name' => 'foo', 'value' => 'bar',
+        ]));
+    }
+
+    /**
+     * @test
+     */
+    public function shouldUpdateEnvironmentVariable()
+    {
+        $expectedValue = 'response';
+
+        /** @var Variables|MockObject $api */
+        $api = $this->getApiMock();
+
+        $api
+            ->expects($this->once())
+            ->method('patch')
+            ->with('/repositories/3948501/environments/production/variables/variableName')
+            ->will($this->returnValue($expectedValue));
+
+        $this->assertEquals($expectedValue, $api->update(3948501, 'production', 'variableName', [
+            'name' => 'variableName', 'value' => 'bar',
+        ]));
+    }
+
+    /**
+     * @test
+     */
+    public function shouldRemoveEnvironmentVariable()
+    {
+        $expectedValue = 'response';
+
+        /** @var Variables|MockObject $api */
+        $api = $this->getApiMock();
+
+        $api
+            ->expects($this->once())
+            ->method('delete')
+            ->with('/repositories/3948501/environments/production/variables/variableName')
+            ->will($this->returnValue($expectedValue));
+
+        $this->assertEquals($expectedValue, $api->remove(3948501, 'production', 'variableName'));
+    }
+
+    protected function getApiClass()
+    {
+        return Variables::class;
+    }
+}