diff --git a/module/Rest/config/dependencies.config.php b/module/Rest/config/dependencies.config.php
index e9fcbfa5..2434c88b 100644
--- a/module/Rest/config/dependencies.config.php
+++ b/module/Rest/config/dependencies.config.php
@@ -21,7 +21,7 @@ return [
             ApiKeyService::class => ConfigAbstractFactory::class,
 
             Action\HealthAction::class => ConfigAbstractFactory::class,
-            Action\MercureAction::class => ConfigAbstractFactory::class,
+            Action\MercureInfoAction::class => ConfigAbstractFactory::class,
             Action\ShortUrl\CreateShortUrlAction::class => ConfigAbstractFactory::class,
             Action\ShortUrl\SingleStepCreateShortUrlAction::class => ConfigAbstractFactory::class,
             Action\ShortUrl\EditShortUrlAction::class => ConfigAbstractFactory::class,
@@ -48,7 +48,7 @@ return [
         ApiKeyService::class => ['em'],
 
         Action\HealthAction::class => [Connection::class, AppOptions::class, 'Logger_Shlink'],
-        Action\MercureAction::class => [LcobucciJwtProvider::class, 'config.mercure', 'Logger_Shlink'],
+        Action\MercureInfoAction::class => [LcobucciJwtProvider::class, 'config.mercure', 'Logger_Shlink'],
         Action\ShortUrl\CreateShortUrlAction::class => [
             Service\UrlShortener::class,
             'config.url_shortener.domain',
diff --git a/module/Rest/config/routes.config.php b/module/Rest/config/routes.config.php
index afb44249..3ced8357 100644
--- a/module/Rest/config/routes.config.php
+++ b/module/Rest/config/routes.config.php
@@ -34,7 +34,7 @@ return [
         Action\Tag\CreateTagsAction::getRouteDef(),
         Action\Tag\UpdateTagAction::getRouteDef(),
 
-        Action\MercureAction::getRouteDef(),
+        Action\MercureInfoAction::getRouteDef(),
     ],
 
 ];
diff --git a/module/Rest/src/Action/MercureAction.php b/module/Rest/src/Action/MercureInfoAction.php
similarity index 96%
rename from module/Rest/src/Action/MercureAction.php
rename to module/Rest/src/Action/MercureInfoAction.php
index 7c33fa31..906a0b45 100644
--- a/module/Rest/src/Action/MercureAction.php
+++ b/module/Rest/src/Action/MercureInfoAction.php
@@ -13,7 +13,7 @@ use Shlinkio\Shlink\Common\Mercure\JwtProviderInterface;
 use Shlinkio\Shlink\Rest\Exception\MercureException;
 use Throwable;
 
-class MercureAction extends AbstractRestAction
+class MercureInfoAction extends AbstractRestAction
 {
     protected const ROUTE_PATH = '/mercure-info';
     protected const ROUTE_ALLOWED_METHODS = [self::METHOD_GET];
diff --git a/module/Rest/test/Action/MercureInfoActionTest.php b/module/Rest/test/Action/MercureInfoActionTest.php
new file mode 100644
index 00000000..f9489c99
--- /dev/null
+++ b/module/Rest/test/Action/MercureInfoActionTest.php
@@ -0,0 +1,107 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkioApiTest\Shlink\Rest\Action;
+
+use Cake\Chronos\Chronos;
+use Laminas\Diactoros\Response\JsonResponse;
+use Laminas\Diactoros\ServerRequestFactory;
+use PHPUnit\Framework\TestCase;
+use Prophecy\Argument;
+use Prophecy\Argument\ArgumentsWildcard;
+use Prophecy\Prophecy\ObjectProphecy;
+use RuntimeException;
+use Shlinkio\Shlink\Common\Mercure\JwtProviderInterface;
+use Shlinkio\Shlink\Rest\Action\MercureInfoAction;
+use Shlinkio\Shlink\Rest\Exception\MercureException;
+
+class MercureInfoActionTest extends TestCase
+{
+    private ObjectProphecy $provider;
+
+    public function setUp(): void
+    {
+        $this->provider = $this->prophesize(JwtProviderInterface::class);
+    }
+
+    /**
+     * @test
+     * @dataProvider provideNoHostConfigs
+     */
+    public function throwsExceptionWhenConfigDoesNotHavePublicHost(array $mercureConfig): void
+    {
+        $buildToken = $this->provider->buildSubscriptionToken(Argument::any())->willReturn('abc.123');
+
+        $action = new MercureInfoAction($this->provider->reveal(), $mercureConfig);
+
+        $this->expectException(MercureException::class);
+        $buildToken->shouldNotBeCalled();
+
+        $action->handle(ServerRequestFactory::fromGlobals());
+    }
+
+    public function provideNoHostConfigs(): iterable
+    {
+        yield 'host not defined' => [[]];
+        yield 'host is null' => [['public_hub_url' => null]];
+    }
+
+    /**
+     * @test
+     * @dataProvider provideValidConfigs
+     */
+    public function throwsExceptionWhenBuildingTokenFails(array $mercureConfig): void
+    {
+        $buildToken = $this->provider->buildSubscriptionToken(Argument::any())->willThrow(
+            new RuntimeException('Error'),
+        );
+
+        $action = new MercureInfoAction($this->provider->reveal(), $mercureConfig);
+
+        $this->expectException(MercureException::class);
+        $buildToken->shouldBeCalledOnce();
+
+        $action->handle(ServerRequestFactory::fromGlobals());
+    }
+
+    public function provideValidConfigs(): iterable
+    {
+        yield 'days not defined' => [['public_hub_url' => 'http://foobar.com']];
+        yield 'days defined' => [['public_hub_url' => 'http://foobar.com', 'jwt_days_duration' => 20]];
+    }
+
+    /**
+     * @test
+     * @dataProvider provideDays
+     */
+    public function returnsExpectedInfoWhenEverythingIsOk(?int $days): void
+    {
+        $buildToken = $this->provider->buildSubscriptionToken(Argument::any())->willReturn('abc.123');
+
+        $action = new MercureInfoAction($this->provider->reveal(), [
+            'public_hub_url' => 'http://foobar.com',
+            'jwt_days_duration' => $days,
+        ]);
+
+        /** @var JsonResponse $resp */
+        $resp = $action->handle(ServerRequestFactory::fromGlobals());
+        $payload = $resp->getPayload();
+
+        $this->assertArrayHasKey('mercureHubUrl', $payload);
+        $this->assertEquals('http://foobar.com', $payload['mercureHubUrl']);
+        $this->assertArrayHasKey('token', $payload);
+        $this->assertArrayHasKey('jwtExpiration', $payload);
+        $this->assertEquals(
+            Chronos::now()->addDays($days ?? 3)->startOfDay(),
+            Chronos::parse($payload['jwtExpiration'])->startOfDay(),
+        );
+        $buildToken->shouldHaveBeenCalledOnce();
+    }
+
+    public function provideDays(): iterable
+    {
+        yield 'days not defined' => [null];
+        yield 'days defined' => [10];
+    }
+}