diff --git a/docs/release-notes.md b/docs/release-notes.md
index c29bc39c..1f394849 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -1,6 +1,10 @@
 ← [README](README.md)
 
 # Release notes
+## Upcoming release
+* For players:
+  * Fixed CurseForge update checks for the new CurseForge API.
+
 ## 3.14.4
 Released 15 May 2022 for Stardew Valley 1.5.6 or later.
 
diff --git a/src/SMAPI.Web/Framework/Clients/CurseForge/CurseForgeClient.cs b/src/SMAPI.Web/Framework/Clients/CurseForge/CurseForgeClient.cs
index d351b42d..9b4f2580 100644
--- a/src/SMAPI.Web/Framework/Clients/CurseForge/CurseForgeClient.cs
+++ b/src/SMAPI.Web/Framework/Clients/CurseForge/CurseForgeClient.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Net;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Pathoschild.Http.Client;
@@ -33,9 +34,12 @@ namespace StardewModdingAPI.Web.Framework.Clients.CurseForge
         /// <summary>Construct an instance.</summary>
         /// <param name="userAgent">The user agent for the API client.</param>
         /// <param name="apiUrl">The base URL for the CurseForge API.</param>
-        public CurseForgeClient(string userAgent, string apiUrl)
+        /// <param name="apiKey">The API authentication key.</param>
+        public CurseForgeClient(string userAgent, string apiUrl, string apiKey)
         {
-            this.Client = new FluentClient(apiUrl).SetUserAgent(userAgent);
+            this.Client = new FluentClient(apiUrl)
+                .SetUserAgent(userAgent)
+                .AddDefault(request => request.WithHeader("x-api-key", apiKey));
         }
 
         /// <summary>Get update check info about a mod.</summary>
@@ -49,11 +53,18 @@ namespace StardewModdingAPI.Web.Framework.Clients.CurseForge
                 return page.SetError(RemoteModStatus.DoesNotExist, $"The value '{id}' isn't a valid CurseForge mod ID, must be an integer ID.");
 
             // get raw data
-            ModModel? mod = await this.Client
-                .GetAsync($"addon/{parsedId}")
-                .As<ModModel?>();
-            if (mod == null)
+            ModModel? mod;
+            try
+            {
+                ResponseModel<ModModel> response = await this.Client
+                    .GetAsync($"mods/{parsedId}")
+                    .As<ResponseModel<ModModel>>();
+                mod = response.Data;
+            }
+            catch (ApiException ex) when (ex.Status == HttpStatusCode.NotFound)
+            {
                 return page.SetError(RemoteModStatus.DoesNotExist, "Found no CurseForge mod with this ID.");
+            }
 
             // get downloads
             List<IModDownload> downloads = new List<IModDownload>();
@@ -65,7 +76,7 @@ namespace StardewModdingAPI.Web.Framework.Clients.CurseForge
             }
 
             // return info
-            return page.SetInfo(name: mod.Name, version: null, url: mod.WebsiteUrl, downloads: downloads);
+            return page.SetInfo(name: mod.Name, version: null, url: mod.Links.WebsiteUrl, downloads: downloads);
         }
 
         /// <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
diff --git a/src/SMAPI.Web/Framework/Clients/CurseForge/ResponseModels/ModLinksModel.cs b/src/SMAPI.Web/Framework/Clients/CurseForge/ResponseModels/ModLinksModel.cs
new file mode 100644
index 00000000..2f9abe4f
--- /dev/null
+++ b/src/SMAPI.Web/Framework/Clients/CurseForge/ResponseModels/ModLinksModel.cs
@@ -0,0 +1,7 @@
+namespace StardewModdingAPI.Web.Framework.Clients.CurseForge.ResponseModels
+{
+    /// <summary>A list of links for a mod.</summary>
+    /// <param name="WebsiteUrl">The URL for the CurseForge mod page.</param>
+    /// <param name="SourceUrl">The URL for the mod's source code, if any.</param>
+    public record ModLinksModel(string WebsiteUrl, string? SourceUrl);
+}
diff --git a/src/SMAPI.Web/Framework/Clients/CurseForge/ResponseModels/ModModel.cs b/src/SMAPI.Web/Framework/Clients/CurseForge/ResponseModels/ModModel.cs
index fd7796f2..7018be54 100644
--- a/src/SMAPI.Web/Framework/Clients/CurseForge/ResponseModels/ModModel.cs
+++ b/src/SMAPI.Web/Framework/Clients/CurseForge/ResponseModels/ModModel.cs
@@ -1,38 +1,9 @@
 namespace StardewModdingAPI.Web.Framework.Clients.CurseForge.ResponseModels
 {
-    /// <summary>An mod from the CurseForge API.</summary>
-    public class ModModel
-    {
-        /*********
-        ** Accessors
-        *********/
-        /// <summary>The mod's unique ID on CurseForge.</summary>
-        public int ID { get; }
-
-        /// <summary>The mod name.</summary>
-        public string Name { get; }
-
-        /// <summary>The web URL for the mod page.</summary>
-        public string WebsiteUrl { get; }
-
-        /// <summary>The available file downloads.</summary>
-        public ModFileModel[] LatestFiles { get; }
-
-
-        /*********
-        ** Public methods
-        *********/
-        /// <summary>Construct an instance.</summary>
-        /// <param name="id">The mod's unique ID on CurseForge.</param>
-        /// <param name="name">The mod name.</param>
-        /// <param name="websiteUrl">The web URL for the mod page.</param>
-        /// <param name="latestFiles">The available file downloads.</param>
-        public ModModel(int id, string name, string websiteUrl, ModFileModel[] latestFiles)
-        {
-            this.ID = id;
-            this.Name = name;
-            this.WebsiteUrl = websiteUrl;
-            this.LatestFiles = latestFiles;
-        }
-    }
+    /// <summary>A mod from the CurseForge API.</summary>
+    /// <param name="Id">The mod's unique ID on CurseForge.</param>
+    /// <param name="Name">The mod name.</param>
+    /// <param name="LatestFiles">The available file downloads.</param>
+    /// <param name="Links">The URLs for this mod.</param>
+    public record ModModel(int Id, string Name, ModFileModel[] LatestFiles, ModLinksModel Links);
 }
diff --git a/src/SMAPI.Web/Framework/Clients/CurseForge/ResponseModels/ResponseModel.cs b/src/SMAPI.Web/Framework/Clients/CurseForge/ResponseModels/ResponseModel.cs
new file mode 100644
index 00000000..4d538a93
--- /dev/null
+++ b/src/SMAPI.Web/Framework/Clients/CurseForge/ResponseModels/ResponseModel.cs
@@ -0,0 +1,8 @@
+using Newtonsoft.Json;
+
+namespace StardewModdingAPI.Web.Framework.Clients.CurseForge.ResponseModels
+{
+    /// <summary>A response from the CurseForge API.</summary>
+    /// <param name="Data">The data returned by the API.</param>
+    public record ResponseModel<TData>(TData Data);
+}
diff --git a/src/SMAPI.Web/Framework/ConfigModels/ApiClientsConfig.cs b/src/SMAPI.Web/Framework/ConfigModels/ApiClientsConfig.cs
index b582b2b0..ebb3618a 100644
--- a/src/SMAPI.Web/Framework/ConfigModels/ApiClientsConfig.cs
+++ b/src/SMAPI.Web/Framework/ConfigModels/ApiClientsConfig.cs
@@ -42,6 +42,9 @@ namespace StardewModdingAPI.Web.Framework.ConfigModels
         /// <summary>The base URL for the CurseForge API.</summary>
         public string CurseForgeBaseUrl { get; set; } = null!;
 
+        /// <summary>The API authentication key for the CurseForge API.</summary>
+        public string CurseForgeApiKey { get; set; } = null!;
+
 
         /****
         ** GitHub
diff --git a/src/SMAPI.Web/Startup.cs b/src/SMAPI.Web/Startup.cs
index 2693aa90..9980d00c 100644
--- a/src/SMAPI.Web/Startup.cs
+++ b/src/SMAPI.Web/Startup.cs
@@ -111,7 +111,8 @@ namespace StardewModdingAPI.Web
 
                 services.AddSingleton<ICurseForgeClient>(new CurseForgeClient(
                     userAgent: userAgent,
-                    apiUrl: api.CurseForgeBaseUrl
+                    apiUrl: api.CurseForgeBaseUrl,
+                    apiKey: api.CurseForgeApiKey
                 ));
 
                 services.AddSingleton<IGitHubClient>(new GitHubClient(
diff --git a/src/SMAPI.Web/appsettings.json b/src/SMAPI.Web/appsettings.json
index 1231f824..10fcbe9c 100644
--- a/src/SMAPI.Web/appsettings.json
+++ b/src/SMAPI.Web/appsettings.json
@@ -31,7 +31,8 @@
         "ChucklefishBaseUrl": "https://community.playstarbound.com",
         "ChucklefishModPageUrlFormat": "resources/{0}",
 
-        "CurseForgeBaseUrl": "https://addons-ecs.forgesvc.net/api/v2/",
+        "CurseForgeBaseUrl": "https://api.curseforge.com/v1/",
+        "CurseForgeApiKey": null,
 
         "GitHubBaseUrl": "https://api.github.com",
         "GitHubAcceptHeader": "application/vnd.github.v3+json",