diff --git a/README.md b/README.md
index 247fc4b..6114b71 100644
--- a/README.md
+++ b/README.md
@@ -29,8 +29,8 @@ Add Passwordless to your service container:
 // In Program.cs or Startup.cs
 services.AddPasswordlessSdk(options =>
 {
-    options.ApiKey = "your_api_key";
     options.ApiSecret = "your_api_secret";
+    options.ApiKey = "your_api_key";
 });
 ```
 
diff --git a/examples/Passwordless.AspNetIdentity.Example/Program.cs b/examples/Passwordless.AspNetIdentity.Example/Program.cs
index 2b58d59..1abee73 100644
--- a/examples/Passwordless.AspNetIdentity.Example/Program.cs
+++ b/examples/Passwordless.AspNetIdentity.Example/Program.cs
@@ -1,6 +1,7 @@
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Passwordless.AspNetCore;
@@ -12,7 +13,7 @@
 builder.Services.AddDataContext();
 builder.Services.AddIdentity<IdentityUser, IdentityRole>()
     .AddEntityFrameworkStores<PasswordlessContext>()
-    .AddPasswordless(builder.Configuration.GetSection("Passwordless"));
+    .AddPasswordless(builder.Configuration.GetRequiredSection("Passwordless"));
 
 builder.Services.AddRazorPages(options =>
 {
diff --git a/examples/Passwordless.Example/Startup.cs b/examples/Passwordless.Example/Startup.cs
index fbcc369..71c6841 100644
--- a/examples/Passwordless.Example/Startup.cs
+++ b/examples/Passwordless.Example/Startup.cs
@@ -19,27 +19,24 @@ public Startup(IConfiguration configuration)
     // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
     public void ConfigureServices(IServiceCollection services)
     {
-        // add support for routing to controllers
+        // Add support for routing to controllers
         services.AddControllers();
 
         // Inject the Passwordless SDK
-        services.AddPasswordlessSdk(options =>
-        {
-            Configuration.GetRequiredSection("Passwordless").Bind(options);
-        });
+        services.AddPasswordlessSdk(Configuration.GetRequiredSection("Passwordless"));
     }
 
     // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
     public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
     {
-        if (env.IsDevelopment()) app.UseDeveloperExceptionPage();
+        if (env.IsDevelopment())
+            app.UseDeveloperExceptionPage();
 
-        // add support for serving index.html
+        // Add support for serving index.html
         app.UseDefaultFiles();
         app.UseStaticFiles();
 
         app.UseRouting();
-
-        app.UseEndpoints(endpoints => { endpoints.MapDefaultControllerRoute(); });
+        app.UseEndpoints(endpoints => endpoints.MapDefaultControllerRoute());
     }
 }
\ No newline at end of file
diff --git a/src/Passwordless.AspNetCore/IdentityBuilderExtensions.cs b/src/Passwordless.AspNetCore/IdentityBuilderExtensions.cs
index 55144ee..71adc1f 100644
--- a/src/Passwordless.AspNetCore/IdentityBuilderExtensions.cs
+++ b/src/Passwordless.AspNetCore/IdentityBuilderExtensions.cs
@@ -96,8 +96,8 @@ private static IServiceCollection AddPasswordlessCore(this IServiceCollection se
             .Configure<IOptions<PasswordlessAspNetCoreOptions>>((options, aspNetCoreOptionsAccessor) =>
             {
                 var aspNetCoreOptions = aspNetCoreOptionsAccessor.Value;
-                options.ApiSecret = aspNetCoreOptions.ApiSecret;
                 options.ApiUrl = aspNetCoreOptions.ApiUrl;
+                options.ApiSecret = aspNetCoreOptions.ApiSecret;
                 options.ApiKey = aspNetCoreOptions.ApiKey;
             });
 
diff --git a/src/Passwordless/Passwordless.csproj b/src/Passwordless/Passwordless.csproj
index d58819d..23f96a5 100644
--- a/src/Passwordless/Passwordless.csproj
+++ b/src/Passwordless/Passwordless.csproj
@@ -22,6 +22,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Http" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="7.0.1" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="all" />
diff --git a/src/Passwordless/ServiceCollectionExtensions.cs b/src/Passwordless/ServiceCollectionExtensions.cs
index e8a49c7..b384b2c 100644
--- a/src/Passwordless/ServiceCollectionExtensions.cs
+++ b/src/Passwordless/ServiceCollectionExtensions.cs
@@ -1,4 +1,5 @@
 using System;
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Options;
 using Passwordless;
 
@@ -33,4 +34,21 @@ public static IServiceCollection AddPasswordlessSdk(
 
         return services;
     }
+
+    /// <summary>
+    /// Adds and configures Passwordless-related services.
+    /// </summary>
+    public static IServiceCollection AddPasswordlessSdk(
+        this IServiceCollection services,
+        IConfiguration configuration) =>
+        services.AddPasswordlessSdk(o =>
+        {
+            o.ApiUrl = configuration["ApiUrl"] ?? PasswordlessOptions.CloudApiUrl;
+
+            o.ApiSecret =
+                configuration["ApiSecret"] ??
+                throw new InvalidOperationException("Missing 'ApiSecret' configuration value.");
+
+            o.ApiKey = configuration["ApiKey"];
+        });
 }
\ No newline at end of file