diff --git a/Command/ArgumentDataTrait.php b/Command/ArgumentDataTrait.php
index e5ad435..f293534 100644
--- a/Command/ArgumentDataTrait.php
+++ b/Command/ArgumentDataTrait.php
@@ -39,7 +39,7 @@ protected function initializeDataArgument(InputInterface $input): void
         }
 
         try {
-            $this->data = \json_decode($data, true, 512, JSON_THROW_ON_ERROR);
+            $this->data = \json_decode($data, true, 512, \JSON_THROW_ON_ERROR);
         } catch (\JsonException $e) {
             throw new InvalidArgumentException('Argument "data" is not a valid JSON.');
         }
diff --git a/Command/HistoryCommand.php b/Command/HistoryCommand.php
index 2a3dc19..104e4d4 100644
--- a/Command/HistoryCommand.php
+++ b/Command/HistoryCommand.php
@@ -90,7 +90,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
                 $io->title('Publications');
 
                 foreach ($data['publications'] as $info) {
-                    $io->writeln(\json_encode($info['data'], JSON_PRETTY_PRINT | JSON_THROW_ON_ERROR));
+                    $io->writeln(\json_encode($info['data'], \JSON_PRETTY_PRINT | \JSON_THROW_ON_ERROR));
                     $io->newLine();
                     $io->writeln('<info>------------</info>');
                     $io->newLine();
diff --git a/Command/InfoCommand.php b/Command/InfoCommand.php
index e5a7a4d..55bfbe9 100644
--- a/Command/InfoCommand.php
+++ b/Command/InfoCommand.php
@@ -88,7 +88,7 @@ private function writeParameter(SymfonyStyle $io, string $key, $value, int $padd
         if ($padding > 0) {
             $formattedKey = $last ? '└ ' : '├ ';
             $formattedKey .= $key;
-            $formattedKey = \str_pad($formattedKey, \strlen($formattedKey) + $padding, ' ', STR_PAD_LEFT);
+            $formattedKey = \str_pad($formattedKey, \strlen($formattedKey) + $padding, ' ', \STR_PAD_LEFT);
         }
 
         if (!\is_array($value)) {
diff --git a/Command/PresenceCommand.php b/Command/PresenceCommand.php
index 6603c92..ff8fb21 100644
--- a/Command/PresenceCommand.php
+++ b/Command/PresenceCommand.php
@@ -119,7 +119,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
      */
     private function formatConnInfo(array $connInfo): string
     {
-        $json = \json_encode($connInfo, JSON_PRETTY_PRINT | JSON_THROW_ON_ERROR);
+        $json = \json_encode($connInfo, \JSON_PRETTY_PRINT | \JSON_THROW_ON_ERROR);
 
         return array_reduce(
             \explode("\n", $json),
diff --git a/DependencyInjection/Compiler/RegisterCentrifugoPass.php b/DependencyInjection/Compiler/RegisterCentrifugoPass.php
index 876c0cc..0bc8de3 100644
--- a/DependencyInjection/Compiler/RegisterCentrifugoPass.php
+++ b/DependencyInjection/Compiler/RegisterCentrifugoPass.php
@@ -40,8 +40,8 @@ public function process(ContainerBuilder $container): void
             $definition = new Definition(
                 Centrifugo::class,
                 [
-                    $container->resolveEnvPlaceholders('%env(CENTRIFUGO_API_ENDPOINT)%'),
-                    $container->resolveEnvPlaceholders('%env(CENTRIFUGO_API_KEY)%'),
+                    $container->getParameter('centrifugo.api_endpoint'),
+                    $container->getParameter('centrifugo.api_key'),
                     $container->findDefinition('http_client'),
                     $container->findDefinition(ResponseProcessor::class),
                     $container->findDefinition(CommandHistoryLogger::class),
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 3d08d22..932edc1 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -54,6 +54,18 @@ public function getConfigTreeBuilder(): TreeBuilder
                     ->defaultFalse()
                     ->info('Enables fake mode for Centrifugo client, no real request will be sent.')
                 ->end()
+                ->scalarNode('api_key')
+                    ->defaultValue('%env(CENTRIFUGO_API_KEY)%')
+                    ->info('Centrifugo API key')
+                ->end()
+                ->scalarNode('api_endpoint')
+                    ->defaultValue('%env(CENTRIFUGO_API_ENDPOINT)%')
+                    ->info('Centrifugo API endpoint')
+                ->end()
+                ->scalarNode('secret')
+                    ->defaultValue('%env(CENTRIFUGO_SECRET)%')
+                    ->info('Centrifugo secret')
+                ->end()
             ->end()
         ;
 
diff --git a/DependencyInjection/FreshCentrifugoExtension.php b/DependencyInjection/FreshCentrifugoExtension.php
index e3ed6d2..f4325d6 100644
--- a/DependencyInjection/FreshCentrifugoExtension.php
+++ b/DependencyInjection/FreshCentrifugoExtension.php
@@ -38,6 +38,9 @@ public function load(array $configs, ContainerBuilder $container): void
         $container->setParameter('centrifugo.channel_max_length', (int) $config['channel_max_length']);
         $container->setParameter('centrifugo.jwt.ttl', $config['jwt']['ttl']);
         $container->setParameter('centrifugo.fake_mode', $config['fake_mode']);
+        $container->setParameter('centrifugo.api_key', $config['api_key']);
+        $container->setParameter('centrifugo.api_endpoint', $config['api_endpoint']);
+        $container->setParameter('centrifugo.secret', $config['secret']);
         $container->registerForAutoconfiguration(ChannelAuthenticatorInterface::class)->addTag('centrifugo.channel_authenticator');
     }
 }
diff --git a/Model/BatchRequest.php b/Model/BatchRequest.php
index f97c531..7396074 100644
--- a/Model/BatchRequest.php
+++ b/Model/BatchRequest.php
@@ -88,7 +88,7 @@ public function prepareLineDelimitedJson(): string
         $serializedCommands = [];
 
         foreach ($this->getCommands() as $command) {
-            $serializedCommands[] = \json_encode($command, JSON_THROW_ON_ERROR);
+            $serializedCommands[] = \json_encode($command, \JSON_THROW_ON_ERROR);
         }
 
         if (!empty($serializedCommands)) {
diff --git a/README.md b/README.md
index 04e6186..8155935 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ return [
 
 ###> fresh/centrifugo-bundle ###
 CENTRIFUGO_API_KEY=secret-api-key
-CENTRIFUGO_API_ENDPOINT=http://centrifugo:8000/api
+CENTRIFUGO_API_ENDPOINT=http://localhost:8000/api
 CENTRIFUGO_SECRET=secret
 ###< fresh/centrifugo-bundle ###
 ```
diff --git a/Resources/config/services.yaml b/Resources/config/services.yaml
index 8959507..42017d6 100644
--- a/Resources/config/services.yaml
+++ b/Resources/config/services.yaml
@@ -6,7 +6,7 @@ services:
         bind:
             $centrifugoChannelMaxLength: '%centrifugo.channel_max_length%'
             $centrifugoJwtTtl: '%centrifugo.jwt.ttl%'
-            $centrifugoSecret: '%env(CENTRIFUGO_SECRET)%'
+            $centrifugoSecret: '%centrifugo.secret%'
             iterable $channelAuthenticators: !tagged_iterator 'centrifugo.channel_authenticator'
 
     Fresh\DateTime\DateTimeHelper:
diff --git a/Resources/docs/configuration.md b/Resources/docs/configuration.md
index 19a6159..3314225 100644
--- a/Resources/docs/configuration.md
+++ b/Resources/docs/configuration.md
@@ -17,6 +17,9 @@ fresh_centrifugo:
         # Default NULL value means that tokens will not be expired
         ttl: 86400 
     fake_mode: true # Enables fake mode for Centrifugo client, no real request will be sent.
+    api_key: '%env(CENTRIFUGO_API_KEY)%' # You can change API key here
+    api_endpoint: '%env(CENTRIFUGO_API_ENDPOINT)%' # You can change API endpoint here
+    secret: '%env(CENTRIFUGO_SECRET)%' # You can change secret here
 ```
 
 ## More features
diff --git a/Service/Centrifugo.php b/Service/Centrifugo.php
index f47a334..39915c8 100644
--- a/Service/Centrifugo.php
+++ b/Service/Centrifugo.php
@@ -169,7 +169,7 @@ private function doSendCommand(CommandInterface $command): ?array
         if ($command instanceof Model\BatchRequest) {
             $json = $command->prepareLineDelimitedJson();
         } else {
-            $json = \json_encode($command, JSON_THROW_ON_ERROR);
+            $json = \json_encode($command, \JSON_THROW_ON_ERROR);
         }
 
         if ($this->profilerEnabled) {
diff --git a/Service/ChannelAuthenticator/PrivateChannelAuthenticator.php b/Service/ChannelAuthenticator/PrivateChannelAuthenticator.php
index 73db96b..1cf7d8f 100644
--- a/Service/ChannelAuthenticator/PrivateChannelAuthenticator.php
+++ b/Service/ChannelAuthenticator/PrivateChannelAuthenticator.php
@@ -109,7 +109,7 @@ private function findAppropriateChannelAuthenticator(string $channel): ?ChannelA
     private function processRequest(Request $request): array
     {
         try {
-            $content = \json_decode((string) $request->getContent(), true, 512, JSON_THROW_ON_ERROR);
+            $content = \json_decode((string) $request->getContent(), true, 512, \JSON_THROW_ON_ERROR);
         } catch (\JsonException $e) {
             throw new BadRequestHttpException('Invalid JSON.');
         } catch (\Exception $e) {
diff --git a/Service/Jwt/JwtGenerator.php b/Service/Jwt/JwtGenerator.php
index c5d5193..86e9415 100644
--- a/Service/Jwt/JwtGenerator.php
+++ b/Service/Jwt/JwtGenerator.php
@@ -98,7 +98,7 @@ private function buildSignaturePart(string $headerPartDecoded, string $payloadPa
      */
     private function convertArrayToJsonString(array $array): string
     {
-        return \json_encode($array, JSON_THROW_ON_ERROR);
+        return \json_encode($array, \JSON_THROW_ON_ERROR);
     }
 
     /**
diff --git a/Service/ResponseProcessor.php b/Service/ResponseProcessor.php
index 3fbc6ea..d03bc12 100644
--- a/Service/ResponseProcessor.php
+++ b/Service/ResponseProcessor.php
@@ -107,7 +107,7 @@ public function processResponse(CommandInterface $command, ResponseInterface $re
     private function decodeAndProcessResponseResult(CommandInterface $command, string $content): ?array
     {
         try {
-            $data = \json_decode($content, true, 512, JSON_THROW_ON_ERROR);
+            $data = \json_decode($content, true, 512, \JSON_THROW_ON_ERROR);
         } catch (\Exception $e) {
             throw new CentrifugoException('Centrifugo response payload is not a valid JSON');
         }
diff --git a/Tests/DependencyInjection/Compiler/RegisterCentrifugoPassTest.php b/Tests/DependencyInjection/Compiler/RegisterCentrifugoPassTest.php
index e5680c1..4c07665 100644
--- a/Tests/DependencyInjection/Compiler/RegisterCentrifugoPassTest.php
+++ b/Tests/DependencyInjection/Compiler/RegisterCentrifugoPassTest.php
@@ -53,6 +53,7 @@ public function testProcessFakeCentrifugo(): void
         $this->containerBuilder
             ->expects(self::once())
             ->method('getParameter')
+            ->with('centrifugo.fake_mode')
             ->willReturn(true)
         ;
 
@@ -70,9 +71,18 @@ public function testProcessFakeCentrifugo(): void
     public function testProcessCentrifugo(): void
     {
         $this->containerBuilder
-            ->expects(self::once())
+            ->expects(self::exactly(3))
             ->method('getParameter')
-            ->willReturn(false)
+            ->withConsecutive(
+                ['centrifugo.fake_mode'],
+                ['centrifugo.api_endpoint'],
+                ['centrifugo.api_key'],
+            )
+            ->willReturnOnConsecutiveCalls(
+                false,
+                '%env(CENTRIFUGO_API_ENDPOINT)%',
+                '%env(CENTRIFUGO_API_KEY)%'
+            )
         ;
 
         $this->containerBuilder
diff --git a/Tests/DependencyInjection/FreshCentrifugoExtensionTest.php b/Tests/DependencyInjection/FreshCentrifugoExtensionTest.php
index 9a1a37d..6c15ac4 100644
--- a/Tests/DependencyInjection/FreshCentrifugoExtensionTest.php
+++ b/Tests/DependencyInjection/FreshCentrifugoExtensionTest.php
@@ -65,6 +65,9 @@ public function testLoadExtension(): void
         self::assertTrue($this->container->hasParameter('centrifugo.jwt.ttl'));
         self::assertNull($this->container->getParameter('centrifugo.jwt.ttl'));
         self::assertFalse($this->container->getParameter('centrifugo.fake_mode'));
+        self::assertNotEmpty($this->container->getParameter('centrifugo.api_key'));
+        self::assertNotEmpty($this->container->getParameter('centrifugo.api_endpoint'));
+        self::assertNotEmpty($this->container->getParameter('centrifugo.secret'));
 
         $childDefinitions = $this->container->getAutoconfiguredInstanceof();
         foreach ($childDefinitions as $childDefinition) {