diff --git a/src/Recyclarr.Cli.Tests/Console/Helpers/CacheStoragePathTest.cs b/src/Recyclarr.Cli.Tests/Console/Helpers/CacheStoragePathTest.cs
index e2f539b1..79770c13 100644
--- a/src/Recyclarr.Cli.Tests/Console/Helpers/CacheStoragePathTest.cs
+++ b/src/Recyclarr.Cli.Tests/Console/Helpers/CacheStoragePathTest.cs
@@ -16,7 +16,7 @@ public class CacheStoragePathTest : IntegrationFixture
     public void Use_guid_when_no_name()
     {
         var config = Substitute.ForPartsOf<ServiceConfiguration>();
-        config.BaseUrl = "something";
+        config.BaseUrl = new Uri("http://something");
         config.InstanceName = null;
 
         using var scope = Container.BeginLifetimeScope(builder =>
@@ -34,7 +34,7 @@ public class CacheStoragePathTest : IntegrationFixture
     public void Use_name_when_not_null()
     {
         var config = Substitute.ForPartsOf<ServiceConfiguration>();
-        config.BaseUrl = "something";
+        config.BaseUrl = new Uri("http://something");
         config.InstanceName = "thename";
 
         using var scope = Container.BeginLifetimeScope(builder =>
diff --git a/src/Recyclarr.Cli/Console/Helpers/CacheStoragePath.cs b/src/Recyclarr.Cli/Console/Helpers/CacheStoragePath.cs
index 29e661ec..d89ad8b7 100644
--- a/src/Recyclarr.Cli/Console/Helpers/CacheStoragePath.cs
+++ b/src/Recyclarr.Cli/Console/Helpers/CacheStoragePath.cs
@@ -33,7 +33,8 @@ public class CacheStoragePath : ICacheStoragePath
             dirName.Append($"{_config.InstanceName}_");
         }
 
-        var guid = _hash.ComputeHash(Encoding.ASCII.GetBytes(_config.BaseUrl)).AsHexString();
+        var url = _config.BaseUrl.OriginalString;
+        var guid = _hash.ComputeHash(Encoding.ASCII.GetBytes(url)).AsHexString();
         dirName.Append(guid);
         return dirName.ToString();
     }
diff --git a/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderEnvVarTest.cs b/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderEnvVarTest.cs
index 924891c5..856a6175 100644
--- a/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderEnvVarTest.cs
+++ b/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderEnvVarTest.cs
@@ -20,7 +20,7 @@ public class ConfigurationLoaderEnvVarTest : IntegrationFixture
     {
         var env = Resolve<IEnvironment>();
         env.GetEnvironmentVariable("SONARR_API_KEY").Returns("the_api_key");
-        env.GetEnvironmentVariable("SONARR_URL").Returns("the_url");
+        env.GetEnvironmentVariable("SONARR_URL").Returns("http://the_url");
 
         var sut = Resolve<ConfigurationLoader>();
 
@@ -38,7 +38,7 @@ sonarr:
         {
             new
             {
-                BaseUrl = "the_url",
+                BaseUrl = new Uri("http://the_url"),
                 ApiKey = "the_api_key"
             }
         });
@@ -63,7 +63,7 @@ sonarr:
         {
             new
             {
-                BaseUrl = "http://sonarr:1233"
+                BaseUrl = new Uri("http://sonarr:1233")
             }
         });
     }
@@ -79,7 +79,7 @@ sonarr:
         const string testYml = @"
 sonarr:
   instance:
-    base_url: !env_var SONARR_URL some value
+    base_url: !env_var SONARR_URL http://somevalue
     api_key: value
 ";
 
@@ -90,7 +90,7 @@ sonarr:
         {
             new
             {
-                BaseUrl = "some value"
+                BaseUrl = new Uri("http://somevalue")
             }
         });
     }
@@ -106,7 +106,7 @@ sonarr:
         const string testYml = @"
 sonarr:
   instance:
-    base_url: !env_var SONARR_URL ""the url""
+    base_url: !env_var SONARR_URL ""http://theurl""
     api_key: !env_var SONARR_API 'the key'
 ";
 
@@ -117,7 +117,7 @@ sonarr:
         {
             new
             {
-                BaseUrl = "the url",
+                BaseUrl = new Uri("http://theurl"),
                 ApiKey = "the key"
             }
         });
@@ -131,7 +131,7 @@ sonarr:
         const string testYml = @"
 sonarr:
   instance:
-    base_url: !env_var SONARR_URL    some value
+    base_url: !env_var SONARR_URL    http://somevalue
     api_key: value
 ";
 
@@ -142,7 +142,7 @@ sonarr:
         {
             new
             {
-                BaseUrl = "some value"
+                BaseUrl = new Uri("http://somevalue")
             }
         });
     }
@@ -155,7 +155,7 @@ sonarr:
         const string testYml = $@"
 sonarr:
   instance:
-    base_url: !env_var SONARR_URL {"\t"}some value
+    base_url: !env_var SONARR_URL {"\t"}http://somevalue
     api_key: value
 ";
 
@@ -166,7 +166,7 @@ sonarr:
         {
             new
             {
-                BaseUrl = "some value"
+                BaseUrl = new Uri("http://somevalue")
             }
         });
     }
diff --git a/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderSecretsTest.cs b/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderSecretsTest.cs
index 4a77b524..e30e7898 100644
--- a/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderSecretsTest.cs
+++ b/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderSecretsTest.cs
@@ -43,7 +43,7 @@ secret_rp: 1234567
             {
                 InstanceName = "instance1",
                 ApiKey = "95283e6b156c42f3af8a9b16173f876b",
-                BaseUrl = "https://radarr:7878",
+                BaseUrl = new Uri("https://radarr:7878"),
                 ReleaseProfiles = new List<ReleaseProfileConfig>
                 {
                     new()
diff --git a/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderTest.cs b/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderTest.cs
index 71c98ba0..febd82c9 100644
--- a/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderTest.cs
+++ b/src/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigurationLoaderTest.cs
@@ -44,7 +44,7 @@ public class ConfigurationLoaderTest : IntegrationFixture
             var str = new StringBuilder($"{sectionName}:");
             const string templateYaml = @"
   instance{1}:
-    base_url: {0}
+    base_url: http://{0}
     api_key: abc";
 
             var counter = 0;
@@ -55,10 +55,10 @@ public class ConfigurationLoaderTest : IntegrationFixture
         var baseDir = Fs.CurrentDirectory();
         var fileData = new[]
         {
-            (baseDir.File("config1.yml"), MockYaml("sonarr", 1, 2)),
-            (baseDir.File("config2.yml"), MockYaml("sonarr", 3)),
+            (baseDir.File("config1.yml"), MockYaml("sonarr", "one", "two")),
+            (baseDir.File("config2.yml"), MockYaml("sonarr", "three")),
             (baseDir.File("config3.yml"), "bad yaml"),
-            (baseDir.File("config4.yml"), MockYaml("radarr", 4))
+            (baseDir.File("config4.yml"), MockYaml("radarr", "four"))
         };
 
         foreach (var (file, data) in fileData)
@@ -68,14 +68,14 @@ public class ConfigurationLoaderTest : IntegrationFixture
 
         var expectedSonarr = new[]
         {
-            new {ApiKey = "abc", BaseUrl = "1"},
-            new {ApiKey = "abc", BaseUrl = "2"},
-            new {ApiKey = "abc", BaseUrl = "3"}
+            new {ApiKey = "abc", BaseUrl = new Uri("http://one")},
+            new {ApiKey = "abc", BaseUrl = new Uri("http://two")},
+            new {ApiKey = "abc", BaseUrl = new Uri("http://three")}
         };
 
         var expectedRadarr = new[]
         {
-            new {ApiKey = "abc", BaseUrl = "4"}
+            new {ApiKey = "abc", BaseUrl = new Uri("http://four")}
         };
 
         var loader = Resolve<IConfigurationLoader>();
@@ -100,7 +100,7 @@ public class ConfigurationLoaderTest : IntegrationFixture
                 new()
                 {
                     ApiKey = "95283e6b156c42f3af8a9b16173f876b",
-                    BaseUrl = "http://localhost:8989",
+                    BaseUrl = new Uri("http://localhost:8989"),
                     InstanceName = "name",
                     ReleaseProfiles = new List<ReleaseProfileConfig>
                     {
diff --git a/src/Recyclarr.TrashLib.Tests/Config/ServiceConfigurationValidatorTest.cs b/src/Recyclarr.TrashLib.Tests/Config/ServiceConfigurationValidatorTest.cs
index 4a656937..36293d4a 100644
--- a/src/Recyclarr.TrashLib.Tests/Config/ServiceConfigurationValidatorTest.cs
+++ b/src/Recyclarr.TrashLib.Tests/Config/ServiceConfigurationValidatorTest.cs
@@ -16,7 +16,7 @@ public class ServiceConfigurationValidatorTest : IntegrationFixture
         var config = new TestConfig
         {
             ApiKey = "valid",
-            BaseUrl = "valid",
+            BaseUrl = new Uri("http://valid"),
             InstanceName = "valid",
             LineNumber = 1,
             CustomFormats = new List<CustomFormatConfig>
@@ -51,7 +51,7 @@ public class ServiceConfigurationValidatorTest : IntegrationFixture
         var config = new TestConfig
         {
             ApiKey = "", // Must not be empty
-            BaseUrl = "valid",
+            BaseUrl = new Uri("http://valid"),
             CustomFormats = new List<CustomFormatConfig>
             {
                 new()
@@ -84,7 +84,7 @@ public class ServiceConfigurationValidatorTest : IntegrationFixture
         var config = new TestConfig
         {
             ApiKey = "valid",
-            BaseUrl = "",
+            BaseUrl = new Uri("about:empty"),
             CustomFormats = new List<CustomFormatConfig>
             {
                 new()
@@ -119,7 +119,7 @@ public class ServiceConfigurationValidatorTest : IntegrationFixture
         var config = new TestConfig
         {
             ApiKey = "valid",
-            BaseUrl = "valid",
+            BaseUrl = new Uri("http://valid"),
             CustomFormats = new List<CustomFormatConfig>
             {
                 new()
@@ -152,7 +152,7 @@ public class ServiceConfigurationValidatorTest : IntegrationFixture
         var config = new TestConfig
         {
             ApiKey = "valid",
-            BaseUrl = "valid",
+            BaseUrl = new Uri("http://valid"),
             CustomFormats = new List<CustomFormatConfig>
             {
                 new()
@@ -185,7 +185,7 @@ public class ServiceConfigurationValidatorTest : IntegrationFixture
         var config = new TestConfig
         {
             ApiKey = "valid",
-            BaseUrl = "valid",
+            BaseUrl = new Uri("http://valid"),
             CustomFormats = new List<CustomFormatConfig>
             {
                 new()
diff --git a/src/Recyclarr.TrashLib/Config/Services/IServiceConfiguration.cs b/src/Recyclarr.TrashLib/Config/Services/IServiceConfiguration.cs
index 265bb9b9..05de2005 100644
--- a/src/Recyclarr.TrashLib/Config/Services/IServiceConfiguration.cs
+++ b/src/Recyclarr.TrashLib/Config/Services/IServiceConfiguration.cs
@@ -1,18 +1,10 @@
-using System.Diagnostics.CodeAnalysis;
-
 namespace Recyclarr.TrashLib.Config.Services;
 
 public interface IServiceConfiguration
 {
     string ServiceName { get; }
-
     string? InstanceName { get; }
-
-    [SuppressMessage("Design", "CA1056:URI-like properties should not be strings",
-        Justification = "This is not treated as a true URI until later")]
-    string BaseUrl { get; }
-
+    Uri BaseUrl { get; }
     string ApiKey { get; }
-
     bool DeleteOldCustomFormats { get; }
 }
diff --git a/src/Recyclarr.TrashLib/Config/Services/ServiceConfiguration.cs b/src/Recyclarr.TrashLib/Config/Services/ServiceConfiguration.cs
index 5ea1d6b7..90b63aa4 100644
--- a/src/Recyclarr.TrashLib/Config/Services/ServiceConfiguration.cs
+++ b/src/Recyclarr.TrashLib/Config/Services/ServiceConfiguration.cs
@@ -15,7 +15,7 @@ public abstract class ServiceConfiguration : IServiceConfiguration
     [YamlIgnore]
     public int LineNumber { get; set; }
 
-    public string BaseUrl { get; set; } = "";
+    public Uri BaseUrl { get; set; } = new("about:empty");
     public string ApiKey { get; set; } = "";
 
     public ICollection<CustomFormatConfig> CustomFormats { get; init; } =
diff --git a/src/Recyclarr.TrashLib/Config/Services/ServiceConfigurationValidator.cs b/src/Recyclarr.TrashLib/Config/Services/ServiceConfigurationValidator.cs
index 317e70e7..ac06ed81 100644
--- a/src/Recyclarr.TrashLib/Config/Services/ServiceConfigurationValidator.cs
+++ b/src/Recyclarr.TrashLib/Config/Services/ServiceConfigurationValidator.cs
@@ -16,7 +16,8 @@ internal class ServiceConfigurationValidator : AbstractValidator<ServiceConfigur
         RuleFor(x => x.InstanceName).NotEmpty();
         RuleFor(x => x.ServiceName).NotEmpty();
         RuleFor(x => x.LineNumber).NotEqual(0);
-        RuleFor(x => x.BaseUrl).NotEmpty().WithMessage("Property 'base_url' is required");
+        RuleFor(x => x.BaseUrl).Must(x => x.Scheme is "http" or "https")
+            .WithMessage("Property 'base_url' is required and must be a valid URL");
         RuleFor(x => x.ApiKey).NotEmpty().WithMessage("Property 'api_key' is required");
         RuleForEach(x => x.CustomFormats).SetValidator(new CustomFormatConfigValidator());
         RuleFor(x => x.QualityDefinition).SetNonNullableValidator(new QualityDefinitionConfigValidator());
diff --git a/src/Recyclarr.TrashLib/Http/FlurlClientFactory.cs b/src/Recyclarr.TrashLib/Http/FlurlClientFactory.cs
index 6bb2aa7b..07342205 100644
--- a/src/Recyclarr.TrashLib/Http/FlurlClientFactory.cs
+++ b/src/Recyclarr.TrashLib/Http/FlurlClientFactory.cs
@@ -20,7 +20,7 @@ public class FlurlClientFactory : IFlurlClientFactory
         _factory = new PerBaseUrlFlurlClientFactory();
     }
 
-    public IFlurlClient Get(string baseUrl)
+    public IFlurlClient BuildClient(Uri baseUrl)
     {
         var client = _factory.Get(baseUrl);
         client.Settings = GetClientSettings();
diff --git a/src/Recyclarr.TrashLib/Http/IFlurlClientFactory.cs b/src/Recyclarr.TrashLib/Http/IFlurlClientFactory.cs
index 38b892e6..2eb3a33e 100644
--- a/src/Recyclarr.TrashLib/Http/IFlurlClientFactory.cs
+++ b/src/Recyclarr.TrashLib/Http/IFlurlClientFactory.cs
@@ -4,5 +4,5 @@ namespace Recyclarr.TrashLib.Http;
 
 public interface IFlurlClientFactory
 {
-    IFlurlClient Get(string baseUrl);
+    IFlurlClient BuildClient(Uri baseUrl);
 }
diff --git a/src/Recyclarr.TrashLib/Http/ServiceRequestBuilder.cs b/src/Recyclarr.TrashLib/Http/ServiceRequestBuilder.cs
index 20b2df95..2fdad51f 100644
--- a/src/Recyclarr.TrashLib/Http/ServiceRequestBuilder.cs
+++ b/src/Recyclarr.TrashLib/Http/ServiceRequestBuilder.cs
@@ -16,7 +16,7 @@ public class ServiceRequestBuilder : IServiceRequestBuilder
 
     public IFlurlRequest Request(params object[] path)
     {
-        var client = _clientFactory.Get(_config.BaseUrl);
+        var client = _clientFactory.BuildClient(_config.BaseUrl);
         return client.Request(new[] {"api", "v3"}.Concat(path).ToArray())
             .SetQueryParams(new {apikey = _config.ApiKey});
     }