diff --git a/src/main/java/me/itzg/helpers/curseforge/CurseForgeApiClient.java b/src/main/java/me/itzg/helpers/curseforge/CurseForgeApiClient.java
index e4770748..0f13021f 100644
--- a/src/main/java/me/itzg/helpers/curseforge/CurseForgeApiClient.java
+++ b/src/main/java/me/itzg/helpers/curseforge/CurseForgeApiClient.java
@@ -35,6 +35,9 @@
 import reactor.core.publisher.Mono;
 import reactor.core.scheduler.Schedulers;
 
+/**
+ * Implements parts of the <a href="https://docs.curseforge.com/rest-api">CurseForge REST API</a>
+ */
 @Slf4j
 public class CurseForgeApiClient implements AutoCloseable {
 
@@ -185,25 +188,6 @@ public CurseForgeFile resolveModpackFile(
             });
     }
 
-    Mono<Integer> slugToId(CategoryInfo categoryInfo,
-        String slug
-    ) {
-        return preparedFetch
-            .fetch(
-                uriBuilder.resolve("/v1/mods/search?gameId={gameId}&slug={slug}", gameId, slug)
-            )
-            .toObject(ModsSearchResponse.class)
-            .assemble()
-            .map(resp ->
-                resp.getData().stream()
-                    .filter(curseForgeMod -> categoryInfo.contentClassIds.containsKey(curseForgeMod.getClassId()))
-                    .findFirst()
-                    .map(CurseForgeMod::getId)
-                    .orElseThrow(() -> new GenericException("Unable to resolve slug into ID (no matches): " + slug))
-            )
-            .onErrorMap(FailedRequestException::isForbidden, this::errorMapForbidden);
-    }
-
     public Mono<CurseForgeMod> getModInfo(
         int projectID
     ) {
diff --git a/src/main/java/me/itzg/helpers/curseforge/CurseForgeInstaller.java b/src/main/java/me/itzg/helpers/curseforge/CurseForgeInstaller.java
index 53595659..a9d0f36f 100644
--- a/src/main/java/me/itzg/helpers/curseforge/CurseForgeInstaller.java
+++ b/src/main/java/me/itzg/helpers/curseforge/CurseForgeInstaller.java
@@ -637,15 +637,18 @@ private ExcludeIncludeIds resolveExcludeIncludes(InstallContext context) {
         final ExcludeIncludes specific =
             excludeIncludes.getModpacks() != null ? excludeIncludes.getModpacks().get(context.slug) : null;
 
+        final int modsClassId = context.categoryInfo.getClassIdForSlug(CurseForgeApiClient.CATEGORY_MC_MODS);
+
         return Mono.zip(
                 resolveFromSlugOrIds(
-                    context, context.categoryInfo,
+                    context,
+                    modsClassId,
                     excludeIncludes.getGlobalExcludes(),
                     specific != null ? specific.getExcludes() : null
                 ),
                 resolveFromSlugOrIds(
-                    context, context.categoryInfo,
-                    excludeIncludes.getGlobalForceIncludes(),
+                    context,
+                    modsClassId, excludeIncludes.getGlobalForceIncludes(),
                     specific != null ? specific.getForceIncludes() : null
                 )
             )
@@ -656,8 +659,8 @@ private ExcludeIncludeIds resolveExcludeIncludes(InstallContext context) {
     }
 
     private Mono<Set<Integer>> resolveFromSlugOrIds(
-        InstallContext context, CategoryInfo categoryInfo,
-        Collection<String> global, Collection<String> specific
+        InstallContext context,
+        int modsClassId, Collection<String> global, Collection<String> specific
     ) {
         log.trace("Resolving slug|id into IDs global={} specific={}", global, specific);
 
@@ -668,10 +671,12 @@ private Mono<Set<Integer>> resolveFromSlugOrIds(
             )
             .flatMap(s -> {
                 try {
+                    // Is it an integer already? If not, it'll drop into catch-block below
                     final int id = Integer.parseInt(s);
                     return Mono.just(id);
                 } catch (NumberFormatException e) {
-                    return context.cfApi.slugToId(categoryInfo, s);
+                    return context.cfApi.searchMod(s, modsClassId)
+                        .map(CurseForgeMod::getId);
                 }
             })
             .collect(Collectors.toSet());
diff --git a/src/main/java/me/itzg/helpers/curseforge/model/package-info.java b/src/main/java/me/itzg/helpers/curseforge/model/package-info.java
new file mode 100644
index 00000000..c6951c9f
--- /dev/null
+++ b/src/main/java/me/itzg/helpers/curseforge/model/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Maps data model for <a href="https://docs.curseforge.com/rest-api">CurseForge REST API</a>
+ */
+package me.itzg.helpers.curseforge.model;
\ No newline at end of file