diff --git a/src/api/Data/AppDbContext.cs b/src/api/Data/AppDbContext.cs
index 7055dc6..54dd506 100644
--- a/src/api/Data/AppDbContext.cs
+++ b/src/api/Data/AppDbContext.cs
@@ -1,3 +1,4 @@
+using Api.Models;
 using Microsoft.EntityFrameworkCore;
 
 namespace Api.Data;
@@ -8,10 +9,176 @@ public class AppDbContext : DbContext
     {
     }
 
+    public DbSet<User> Users => Set<User>();
+    public DbSet<Workspace> Workspaces => Set<Workspace>();
+    public DbSet<Project> Projects => Set<Project>();
+    public DbSet<Domain> Domains => Set<Domain>();
+    public DbSet<ShortLink> ShortLinks => Set<ShortLink>();
+    public DbSet<QRCodeDesign> QRCodeDesigns => Set<QRCodeDesign>();
+    public DbSet<Event> Events => Set<Event>();
+    public DbSet<Asset> Assets => Set<Asset>();
+
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
         base.OnModelCreating(modelBuilder);
 
-        // Entity configurations will be added here as entities are created
+        // User configuration
+        modelBuilder.Entity<User>(entity =>
+        {
+            entity.HasKey(e => e.Id);
+            entity.HasIndex(e => e.Email).IsUnique();
+            entity.Property(e => e.Email).HasMaxLength(255);
+            entity.Property(e => e.PasswordHash).HasMaxLength(255);
+            entity.Property(e => e.CreatedAt).HasDefaultValueSql("CURRENT_TIMESTAMP");
+        });
+
+        // Workspace configuration
+        modelBuilder.Entity<Workspace>(entity =>
+        {
+            entity.HasKey(e => e.Id);
+            entity.Property(e => e.Name).HasMaxLength(100);
+            entity.Property(e => e.Plan).HasConversion<string>().HasMaxLength(20);
+            entity.Property(e => e.CreatedAt).HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+            entity.HasOne(e => e.Owner)
+                .WithMany(u => u.Workspaces)
+                .HasForeignKey(e => e.OwnerUserId)
+                .OnDelete(DeleteBehavior.Cascade);
+        });
+
+        // Project configuration
+        modelBuilder.Entity<Project>(entity =>
+        {
+            entity.HasKey(e => e.Id);
+            entity.Property(e => e.Name).HasMaxLength(100);
+            entity.Property(e => e.CreatedAt).HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+            entity.HasOne(e => e.Workspace)
+                .WithMany(w => w.Projects)
+                .HasForeignKey(e => e.WorkspaceId)
+                .OnDelete(DeleteBehavior.Cascade);
+        });
+
+        // Domain configuration
+        modelBuilder.Entity<Domain>(entity =>
+        {
+            entity.HasKey(e => e.Id);
+            entity.HasIndex(e => e.Hostname).IsUnique();
+            entity.Property(e => e.Hostname).HasMaxLength(255);
+            entity.Property(e => e.Status).HasConversion<string>().HasMaxLength(20);
+            entity.Property(e => e.VerificationToken).HasMaxLength(64);
+            entity.Property(e => e.CreatedAt).HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+            entity.HasOne(e => e.Workspace)
+                .WithMany(w => w.Domains)
+                .HasForeignKey(e => e.WorkspaceId)
+                .OnDelete(DeleteBehavior.Cascade);
+        });
+
+        // ShortLink configuration
+        modelBuilder.Entity<ShortLink>(entity =>
+        {
+            entity.HasKey(e => e.Id);
+            entity.HasIndex(e => new { e.DomainId, e.Slug }).IsUnique();
+            entity.Property(e => e.Slug).HasMaxLength(50);
+            entity.Property(e => e.DestinationUrl).HasMaxLength(2048);
+            entity.Property(e => e.Title).HasMaxLength(255);
+            entity.Property(e => e.Status).HasConversion<string>().HasMaxLength(20);
+            entity.Property(e => e.PasswordHash).HasMaxLength(255);
+            entity.Property(e => e.CreatedAt).HasDefaultValueSql("CURRENT_TIMESTAMP");
+            entity.Property(e => e.UpdatedAt).HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+            entity.HasOne(e => e.Workspace)
+                .WithMany(w => w.ShortLinks)
+                .HasForeignKey(e => e.WorkspaceId)
+                .OnDelete(DeleteBehavior.Cascade);
+
+            entity.HasOne(e => e.Project)
+                .WithMany(p => p.ShortLinks)
+                .HasForeignKey(e => e.ProjectId)
+                .OnDelete(DeleteBehavior.SetNull);
+
+            entity.HasOne(e => e.Domain)
+                .WithMany(d => d.ShortLinks)
+                .HasForeignKey(e => e.DomainId)
+                .OnDelete(DeleteBehavior.SetNull);
+        });
+
+        // QRCodeDesign configuration
+        modelBuilder.Entity<QRCodeDesign>(entity =>
+        {
+            entity.HasKey(e => e.Id);
+            entity.Property(e => e.StyleJson).HasColumnType("jsonb");
+            entity.Property(e => e.CreatedAt).HasDefaultValueSql("CURRENT_TIMESTAMP");
+            entity.Property(e => e.UpdatedAt).HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+            entity.HasOne(e => e.Workspace)
+                .WithMany(w => w.QRCodeDesigns)
+                .HasForeignKey(e => e.WorkspaceId)
+                .OnDelete(DeleteBehavior.Cascade);
+
+            entity.HasOne(e => e.Project)
+                .WithMany(p => p.QRCodeDesigns)
+                .HasForeignKey(e => e.ProjectId)
+                .OnDelete(DeleteBehavior.SetNull);
+
+            entity.HasOne(e => e.ShortLink)
+                .WithMany(s => s.QRCodeDesigns)
+                .HasForeignKey(e => e.ShortLinkId)
+                .OnDelete(DeleteBehavior.SetNull);
+
+            entity.HasOne(e => e.LogoAsset)
+                .WithMany()
+                .HasForeignKey(e => e.LogoAssetId)
+                .OnDelete(DeleteBehavior.SetNull);
+        });
+
+        // Event configuration
+        modelBuilder.Entity<Event>(entity =>
+        {
+            entity.HasKey(e => e.Id);
+            entity.Property(e => e.Type).HasConversion<string>().HasMaxLength(10);
+            entity.Property(e => e.Timestamp).HasDefaultValueSql("CURRENT_TIMESTAMP");
+            entity.Property(e => e.IpHash).HasMaxLength(64);
+            entity.Property(e => e.UserAgent).HasMaxLength(512);
+            entity.Property(e => e.Referrer).HasMaxLength(2048);
+            entity.Property(e => e.CountryCode).HasMaxLength(2);
+            entity.Property(e => e.DeviceType).HasMaxLength(20);
+            entity.Property(e => e.DedupeKey).HasMaxLength(128);
+
+            entity.HasIndex(e => e.Timestamp);
+            entity.HasIndex(e => new { e.ShortLinkId, e.Timestamp });
+            entity.HasIndex(e => new { e.WorkspaceId, e.Timestamp });
+
+            entity.HasOne(e => e.Workspace)
+                .WithMany(w => w.Events)
+                .HasForeignKey(e => e.WorkspaceId)
+                .OnDelete(DeleteBehavior.Cascade);
+
+            entity.HasOne(e => e.ShortLink)
+                .WithMany(s => s.Events)
+                .HasForeignKey(e => e.ShortLinkId)
+                .OnDelete(DeleteBehavior.Cascade);
+
+            entity.HasOne(e => e.QRCode)
+                .WithMany(q => q.Events)
+                .HasForeignKey(e => e.QRCodeId)
+                .OnDelete(DeleteBehavior.SetNull);
+        });
+
+        // Asset configuration
+        modelBuilder.Entity<Asset>(entity =>
+        {
+            entity.HasKey(e => e.Id);
+            entity.Property(e => e.Type).HasConversion<string>().HasMaxLength(20);
+            entity.Property(e => e.StorageKey).HasMaxLength(512);
+            entity.Property(e => e.Mime).HasMaxLength(100);
+            entity.Property(e => e.CreatedAt).HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+            entity.HasOne(e => e.Workspace)
+                .WithMany(w => w.Assets)
+                .HasForeignKey(e => e.WorkspaceId)
+                .OnDelete(DeleteBehavior.Cascade);
+        });
     }
 }
diff --git a/src/api/Migrations/20260127192536_InitialCreate.Designer.cs b/src/api/Migrations/20260127192536_InitialCreate.Designer.cs
new file mode 100644
index 0000000..ad19fcf
--- /dev/null
+++ b/src/api/Migrations/20260127192536_InitialCreate.Designer.cs
@@ -0,0 +1,203 @@
+// <auto-generated />
+using System;
+using Api.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace api.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20260127192536_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.2")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Api.Models.Domain", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<string>("Hostname")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.Property<string>("VerificationToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<Guid>("WorkspaceId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Hostname")
+                        .IsUnique();
+
+                    b.HasIndex("WorkspaceId");
+
+                    b.ToTable("Domains");
+                });
+
+            modelBuilder.Entity("Api.Models.Project", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)");
+
+                    b.Property<Guid>("WorkspaceId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorkspaceId");
+
+                    b.ToTable("Projects");
+                });
+
+            modelBuilder.Entity("Api.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<DateTime?>("VerifiedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Email")
+                        .IsUnique();
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("Api.Models.Workspace", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)");
+
+                    b.Property<Guid>("OwnerUserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Plan")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OwnerUserId");
+
+                    b.ToTable("Workspaces");
+                });
+
+            modelBuilder.Entity("Api.Models.Domain", b =>
+                {
+                    b.HasOne("Api.Models.Workspace", "Workspace")
+                        .WithMany("Domains")
+                        .HasForeignKey("WorkspaceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Workspace");
+                });
+
+            modelBuilder.Entity("Api.Models.Project", b =>
+                {
+                    b.HasOne("Api.Models.Workspace", "Workspace")
+                        .WithMany("Projects")
+                        .HasForeignKey("WorkspaceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Workspace");
+                });
+
+            modelBuilder.Entity("Api.Models.Workspace", b =>
+                {
+                    b.HasOne("Api.Models.User", "Owner")
+                        .WithMany("Workspaces")
+                        .HasForeignKey("OwnerUserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Owner");
+                });
+
+            modelBuilder.Entity("Api.Models.User", b =>
+                {
+                    b.Navigation("Workspaces");
+                });
+
+            modelBuilder.Entity("Api.Models.Workspace", b =>
+                {
+                    b.Navigation("Domains");
+
+                    b.Navigation("Projects");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/api/Migrations/20260127192536_InitialCreate.cs b/src/api/Migrations/20260127192536_InitialCreate.cs
new file mode 100644
index 0000000..0578fb6
--- /dev/null
+++ b/src/api/Migrations/20260127192536_InitialCreate.cs
@@ -0,0 +1,136 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace api.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Users",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    Email = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
+                    PasswordHash = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
+                    VerifiedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "CURRENT_TIMESTAMP")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Users", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Workspaces",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    OwnerUserId = table.Column<Guid>(type: "uuid", nullable: false),
+                    Name = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
+                    Plan = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "CURRENT_TIMESTAMP")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Workspaces", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Workspaces_Users_OwnerUserId",
+                        column: x => x.OwnerUserId,
+                        principalTable: "Users",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Domains",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    WorkspaceId = table.Column<Guid>(type: "uuid", nullable: false),
+                    Hostname = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
+                    Status = table.Column<string>(type: "character varying(20)", maxLength: 20, nullable: false),
+                    VerificationToken = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "CURRENT_TIMESTAMP")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Domains", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Domains_Workspaces_WorkspaceId",
+                        column: x => x.WorkspaceId,
+                        principalTable: "Workspaces",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Projects",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    WorkspaceId = table.Column<Guid>(type: "uuid", nullable: false),
+                    Name = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "CURRENT_TIMESTAMP")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Projects", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Projects_Workspaces_WorkspaceId",
+                        column: x => x.WorkspaceId,
+                        principalTable: "Workspaces",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Domains_Hostname",
+                table: "Domains",
+                column: "Hostname",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Domains_WorkspaceId",
+                table: "Domains",
+                column: "WorkspaceId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Projects_WorkspaceId",
+                table: "Projects",
+                column: "WorkspaceId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Users_Email",
+                table: "Users",
+                column: "Email",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Workspaces_OwnerUserId",
+                table: "Workspaces",
+                column: "OwnerUserId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Domains");
+
+            migrationBuilder.DropTable(
+                name: "Projects");
+
+            migrationBuilder.DropTable(
+                name: "Workspaces");
+
+            migrationBuilder.DropTable(
+                name: "Users");
+        }
+    }
+}
diff --git a/src/api/Migrations/AppDbContextModelSnapshot.cs b/src/api/Migrations/AppDbContextModelSnapshot.cs
new file mode 100644
index 0000000..9e037a0
--- /dev/null
+++ b/src/api/Migrations/AppDbContextModelSnapshot.cs
@@ -0,0 +1,537 @@
+// <auto-generated />
+using System;
+using Api.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace api.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    partial class AppDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.2")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Api.Models.Asset", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<string>("Mime")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)");
+
+                    b.Property<long>("Size")
+                        .HasColumnType("bigint");
+
+                    b.Property<string>("StorageKey")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.Property<Guid>("WorkspaceId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorkspaceId");
+
+                    b.ToTable("Assets");
+                });
+
+            modelBuilder.Entity("Api.Models.Domain", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<string>("Hostname")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.Property<string>("VerificationToken")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<Guid>("WorkspaceId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Hostname")
+                        .IsUnique();
+
+                    b.HasIndex("WorkspaceId");
+
+                    b.ToTable("Domains");
+                });
+
+            modelBuilder.Entity("Api.Models.Event", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("CountryCode")
+                        .HasMaxLength(2)
+                        .HasColumnType("character varying(2)");
+
+                    b.Property<string>("DedupeKey")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.Property<string>("DeviceType")
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.Property<string>("IpHash")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<Guid?>("QRCodeId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Referrer")
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.Property<Guid>("ShortLinkId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Timestamp")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasMaxLength(10)
+                        .HasColumnType("character varying(10)");
+
+                    b.Property<string>("UserAgent")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<Guid>("WorkspaceId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("QRCodeId");
+
+                    b.HasIndex("Timestamp");
+
+                    b.HasIndex("ShortLinkId", "Timestamp");
+
+                    b.HasIndex("WorkspaceId", "Timestamp");
+
+                    b.ToTable("Events");
+                });
+
+            modelBuilder.Entity("Api.Models.Project", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)");
+
+                    b.Property<Guid>("WorkspaceId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorkspaceId");
+
+                    b.ToTable("Projects");
+                });
+
+            modelBuilder.Entity("Api.Models.QRCodeDesign", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<Guid?>("LogoAssetId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("ProjectId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("ShortLinkId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("StyleJson")
+                        .IsRequired()
+                        .HasColumnType("jsonb");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<Guid>("WorkspaceId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("LogoAssetId");
+
+                    b.HasIndex("ProjectId");
+
+                    b.HasIndex("ShortLinkId");
+
+                    b.HasIndex("WorkspaceId");
+
+                    b.ToTable("QRCodeDesigns");
+                });
+
+            modelBuilder.Entity("Api.Models.ShortLink", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<string>("DestinationUrl")
+                        .IsRequired()
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.Property<Guid?>("DomainId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime?>("ExpiresAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("PasswordHash")
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<Guid?>("ProjectId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)");
+
+                    b.Property<string>("Status")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.Property<string>("Title")
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<Guid>("WorkspaceId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProjectId");
+
+                    b.HasIndex("WorkspaceId");
+
+                    b.HasIndex("DomainId", "Slug")
+                        .IsUnique();
+
+                    b.ToTable("ShortLinks");
+                });
+
+            modelBuilder.Entity("Api.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasMaxLength(255)
+                        .HasColumnType("character varying(255)");
+
+                    b.Property<DateTime?>("VerifiedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Email")
+                        .IsUnique();
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("Api.Models.Workspace", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasDefaultValueSql("CURRENT_TIMESTAMP");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("character varying(100)");
+
+                    b.Property<Guid>("OwnerUserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Plan")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("OwnerUserId");
+
+                    b.ToTable("Workspaces");
+                });
+
+            modelBuilder.Entity("Api.Models.Asset", b =>
+                {
+                    b.HasOne("Api.Models.Workspace", "Workspace")
+                        .WithMany("Assets")
+                        .HasForeignKey("WorkspaceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Workspace");
+                });
+
+            modelBuilder.Entity("Api.Models.Domain", b =>
+                {
+                    b.HasOne("Api.Models.Workspace", "Workspace")
+                        .WithMany("Domains")
+                        .HasForeignKey("WorkspaceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Workspace");
+                });
+
+            modelBuilder.Entity("Api.Models.Event", b =>
+                {
+                    b.HasOne("Api.Models.QRCodeDesign", "QRCode")
+                        .WithMany("Events")
+                        .HasForeignKey("QRCodeId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("Api.Models.ShortLink", "ShortLink")
+                        .WithMany("Events")
+                        .HasForeignKey("ShortLinkId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Api.Models.Workspace", "Workspace")
+                        .WithMany("Events")
+                        .HasForeignKey("WorkspaceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("QRCode");
+
+                    b.Navigation("ShortLink");
+
+                    b.Navigation("Workspace");
+                });
+
+            modelBuilder.Entity("Api.Models.Project", b =>
+                {
+                    b.HasOne("Api.Models.Workspace", "Workspace")
+                        .WithMany("Projects")
+                        .HasForeignKey("WorkspaceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Workspace");
+                });
+
+            modelBuilder.Entity("Api.Models.QRCodeDesign", b =>
+                {
+                    b.HasOne("Api.Models.Asset", "LogoAsset")
+                        .WithMany()
+                        .HasForeignKey("LogoAssetId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("Api.Models.Project", "Project")
+                        .WithMany("QRCodeDesigns")
+                        .HasForeignKey("ProjectId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("Api.Models.ShortLink", "ShortLink")
+                        .WithMany("QRCodeDesigns")
+                        .HasForeignKey("ShortLinkId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("Api.Models.Workspace", "Workspace")
+                        .WithMany("QRCodeDesigns")
+                        .HasForeignKey("WorkspaceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("LogoAsset");
+
+                    b.Navigation("Project");
+
+                    b.Navigation("ShortLink");
+
+                    b.Navigation("Workspace");
+                });
+
+            modelBuilder.Entity("Api.Models.ShortLink", b =>
+                {
+                    b.HasOne("Api.Models.Domain", "Domain")
+                        .WithMany("ShortLinks")
+                        .HasForeignKey("DomainId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("Api.Models.Project", "Project")
+                        .WithMany("ShortLinks")
+                        .HasForeignKey("ProjectId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("Api.Models.Workspace", "Workspace")
+                        .WithMany("ShortLinks")
+                        .HasForeignKey("WorkspaceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Domain");
+
+                    b.Navigation("Project");
+
+                    b.Navigation("Workspace");
+                });
+
+            modelBuilder.Entity("Api.Models.Workspace", b =>
+                {
+                    b.HasOne("Api.Models.User", "Owner")
+                        .WithMany("Workspaces")
+                        .HasForeignKey("OwnerUserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Owner");
+                });
+
+            modelBuilder.Entity("Api.Models.Domain", b =>
+                {
+                    b.Navigation("ShortLinks");
+                });
+
+            modelBuilder.Entity("Api.Models.Project", b =>
+                {
+                    b.Navigation("QRCodeDesigns");
+
+                    b.Navigation("ShortLinks");
+                });
+
+            modelBuilder.Entity("Api.Models.QRCodeDesign", b =>
+                {
+                    b.Navigation("Events");
+                });
+
+            modelBuilder.Entity("Api.Models.ShortLink", b =>
+                {
+                    b.Navigation("Events");
+
+                    b.Navigation("QRCodeDesigns");
+                });
+
+            modelBuilder.Entity("Api.Models.User", b =>
+                {
+                    b.Navigation("Workspaces");
+                });
+
+            modelBuilder.Entity("Api.Models.Workspace", b =>
+                {
+                    b.Navigation("Assets");
+
+                    b.Navigation("Domains");
+
+                    b.Navigation("Events");
+
+                    b.Navigation("Projects");
+
+                    b.Navigation("QRCodeDesigns");
+
+                    b.Navigation("ShortLinks");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/src/api/Models/Domain.cs b/src/api/Models/Domain.cs
new file mode 100644
index 0000000..e712045
--- /dev/null
+++ b/src/api/Models/Domain.cs
@@ -0,0 +1,22 @@
+namespace Api.Models;
+
+public enum DomainStatus
+{
+    Pending,
+    Verified,
+    Active
+}
+
+public class Domain
+{
+    public Guid Id { get; set; }
+    public Guid WorkspaceId { get; set; }
+    public required string Hostname { get; set; }
+    public DomainStatus Status { get; set; } = DomainStatus.Pending;
+    public required string VerificationToken { get; set; }
+    public DateTime CreatedAt { get; set; }
+
+    // Navigation properties
+    public Workspace Workspace { get; set; } = null!;
+    public ICollection<ShortLink> ShortLinks { get; set; } = [];
+}
diff --git a/src/api/Models/Project.cs b/src/api/Models/Project.cs
new file mode 100644
index 0000000..9745389
--- /dev/null
+++ b/src/api/Models/Project.cs
@@ -0,0 +1,14 @@
+namespace Api.Models;
+
+public class Project
+{
+    public Guid Id { get; set; }
+    public Guid WorkspaceId { get; set; }
+    public required string Name { get; set; }
+    public DateTime CreatedAt { get; set; }
+
+    // Navigation properties
+    public Workspace Workspace { get; set; } = null!;
+    public ICollection<ShortLink> ShortLinks { get; set; } = [];
+    public ICollection<QRCodeDesign> QRCodeDesigns { get; set; } = [];
+}
diff --git a/src/api/Models/User.cs b/src/api/Models/User.cs
new file mode 100644
index 0000000..ed8e236
--- /dev/null
+++ b/src/api/Models/User.cs
@@ -0,0 +1,13 @@
+namespace Api.Models;
+
+public class User
+{
+    public Guid Id { get; set; }
+    public required string Email { get; set; }
+    public required string PasswordHash { get; set; }
+    public DateTime? VerifiedAt { get; set; }
+    public DateTime CreatedAt { get; set; }
+
+    // Navigation properties
+    public ICollection<Workspace> Workspaces { get; set; } = [];
+}
diff --git a/src/api/Models/Workspace.cs b/src/api/Models/Workspace.cs
new file mode 100644
index 0000000..e7bc33d
--- /dev/null
+++ b/src/api/Models/Workspace.cs
@@ -0,0 +1,26 @@
+namespace Api.Models;
+
+public enum WorkspacePlan
+{
+    Free,
+    Pro,
+    Business
+}
+
+public class Workspace
+{
+    public Guid Id { get; set; }
+    public Guid OwnerUserId { get; set; }
+    public required string Name { get; set; }
+    public WorkspacePlan Plan { get; set; } = WorkspacePlan.Free;
+    public DateTime CreatedAt { get; set; }
+
+    // Navigation properties
+    public User Owner { get; set; } = null!;
+    public ICollection<Project> Projects { get; set; } = [];
+    public ICollection<Domain> Domains { get; set; } = [];
+    public ICollection<ShortLink> ShortLinks { get; set; } = [];
+    public ICollection<QRCodeDesign> QRCodeDesigns { get; set; } = [];
+    public ICollection<Event> Events { get; set; } = [];
+    public ICollection<Asset> Assets { get; set; } = [];
+}