diff --git a/src/api/pack.py b/src/api/pack.py
index c6a684d..54ecab2 100644
--- a/src/api/pack.py
+++ b/src/api/pack.py
@@ -7,7 +7,7 @@ from PIL import Image
 from io import BytesIO
 import base64
 import json
-from .source import Modrinth
+from .source import Modrinth, CurseForge
 
 
 @apiPack.route("/<id>", methods=["GET"])
@@ -89,6 +89,8 @@ def addMod(id):
 
     if source == "Modrinth":
         mod = Modrinth.getModrinthMod(slug, version, mod_loader, game_version)
+    elif source == "CurseForge":
+        mod = CurseForge.getCurseForgeMod(slug, version, mod_loader, game_version)
 
     if mod.get("status") != "ok":
         return jsonify({"status": "error", "message": mod.get("message")})
diff --git a/src/api/source/CurseForge.py b/src/api/source/CurseForge.py
new file mode 100644
index 0000000..4442370
--- /dev/null
+++ b/src/api/source/CurseForge.py
@@ -0,0 +1,88 @@
+MODLOADER_ENUM = {"forge": 1, "fabric": 4, "quilt": 5, "neoforge": 6}
+HASHALGO_ENUM = {1: "sha1", 2: "md5"}
+
+import requests
+from config import CURSEFORGE_API_KEY
+
+
+def getCurseForgeMod(slug, version, mod_loader, game_version):
+    headers = {"x-api-key": CURSEFORGE_API_KEY}
+
+    metaR = requests.get(
+        f"https://api.curseforge.com/v1/mods/search?gameid=432&slug={slug}",
+        headers=headers,
+    )
+    if metaR.status_code != 200:
+        return {
+            "status": "error",
+            "message": f"failed to fetch curseforge mod: {metaR.status_code}",
+        }
+
+    meta: dict = metaR.json()
+    if len(meta.get("data")) == 0:
+        return {
+            "status": "error",
+            "message": f"mod not found",
+        }
+    meta = meta.get("data")[0]
+
+    selected_version = None
+    if version:
+        versR = requests.get(
+            f'https://api.curseforge.com/v1/mods/{meta.get("id")}/files/{version}',
+            headers=headers,
+        )
+    else:
+        versR = requests.get(
+            f'https://api.curseforge.com/v1/mods/{meta.get("id")}/files?gameVersion={game_version}&modLoaderType={MODLOADER_ENUM[mod_loader]}&pageSize=1',
+            headers=headers,
+        )
+
+    if versR.status_code != 200:
+        return {
+            "status": "error",
+            "message": f"failed to fetch curseforge mod versions: {versR.status_code}",
+        }
+
+    vers: dict = versR.json()
+    if len(vers.get("data")) == 0:
+        return {
+            "status": "error",
+            "message": f"mod is not compatible with this game version or mod loader",
+        }
+
+    if version:
+        selected_version = vers.get("data")
+    else:
+        selected_version = vers.get("data")[0]
+
+    developers = []
+    for dev in meta["authors"]:
+        developers.append(dev["name"])
+
+    hashes = {}
+    for hash in selected_version.get("hashes"):
+        hashes[HASHALGO_ENUM[hash.get("algo")]] = hash.get("value")
+
+    return {
+        "status": "ok",
+        "mod": {
+            "slug": slug,
+            "icon": meta.get("logo").get("url"),
+            "title": meta.get("name"),
+            "developers": developers,
+            "source": "CurseForge",
+            "url": f"https://www.curseforge.com/minecraft/mc-mods/{slug}",
+            "environment": {
+                "client": True,
+                "server": True,
+            },
+            "file": {
+                "version": selected_version.get("id"),
+                "hashes": hashes,
+                "url": selected_version.get("downloadUrl"),
+                "filename": selected_version.get("fileName"),
+                "size": selected_version.get("fileSizeOnDisk"),
+            },
+        },
+    }