diff --git a/.vs/StudyLib/DesignTimeBuild/.dtbcache.v2 b/.vs/StudyLib/DesignTimeBuild/.dtbcache.v2
index 49c74c2..012535f 100644
Binary files a/.vs/StudyLib/DesignTimeBuild/.dtbcache.v2 and b/.vs/StudyLib/DesignTimeBuild/.dtbcache.v2 differ
diff --git a/.vs/StudyLib/v16/.suo b/.vs/StudyLib/v16/.suo
index 4632310..477fa7a 100644
Binary files a/.vs/StudyLib/v16/.suo and b/.vs/StudyLib/v16/.suo differ
diff --git a/API/Controllers/GroupCandidatesController.cs b/API/Controllers/GroupCandidatesController.cs
index 6c74876..d9331b8 100644
--- a/API/Controllers/GroupCandidatesController.cs
+++ b/API/Controllers/GroupCandidatesController.cs
@@ -47,8 +47,33 @@ namespace StudyLib.API.Controllers
             return NoContent();
         }
 
-        [HttpDelete("delete/{groupId}/{userId}")]
-        public async Task<IActionResult> DeleteGroupCandidate(long groupId, string userId)
+        [HttpGet("accept/{groupId}/{userId}")]
+        public async Task<IActionResult> AcceptGroupCandidate(long groupId, string userId)
+        {
+            var groupCandidate = await _context.GroupCandidates.Where(g => g.Group.ID == groupId && g.User.Id == userId).FirstAsync();
+            if (groupCandidate == null)
+            {
+                return NotFound();
+            }
+
+            _context.GroupCandidates.Remove(groupCandidate);
+
+            var user = await _context.Users.FindAsync(userId);
+            var group = await _context.Groups.Where(g => g.ID == groupId).Include(g => g.Users).FirstAsync();
+
+            if (!group.Users.Contains(user))
+            {
+                group.Users.Add(user);
+                _context.Entry(group).State = EntityState.Modified;
+            }
+
+            await _context.SaveChangesAsync();
+
+            return NoContent();
+        }
+
+        [HttpDelete("decline/{groupId}/{userId}")]
+        public async Task<IActionResult> DeclineGroupCandidate(long groupId, string userId)
         {
             var groupCandidate = await _context.GroupCandidates.Where(g => g.Group.ID == groupId && g.User.Id == userId).FirstAsync();
             if (groupCandidate == null)
diff --git a/bin/Debug/net5.0/StudyLib.dll b/bin/Debug/net5.0/StudyLib.dll
index 7f7a556..fba0460 100644
Binary files a/bin/Debug/net5.0/StudyLib.dll and b/bin/Debug/net5.0/StudyLib.dll differ
diff --git a/bin/Debug/net5.0/StudyLib.pdb b/bin/Debug/net5.0/StudyLib.pdb
index 4b9d631..cd94d79 100644
Binary files a/bin/Debug/net5.0/StudyLib.pdb and b/bin/Debug/net5.0/StudyLib.pdb differ
diff --git a/bin/Debug/net5.0/ref/StudyLib.dll b/bin/Debug/net5.0/ref/StudyLib.dll
index 0938268..8e3dd95 100644
Binary files a/bin/Debug/net5.0/ref/StudyLib.dll and b/bin/Debug/net5.0/ref/StudyLib.dll differ
diff --git a/obj/Debug/net5.0/StudyLib.csprojAssemblyReference.cache b/obj/Debug/net5.0/StudyLib.csprojAssemblyReference.cache
index 3e12f52..1e87a93 100644
Binary files a/obj/Debug/net5.0/StudyLib.csprojAssemblyReference.cache and b/obj/Debug/net5.0/StudyLib.csprojAssemblyReference.cache differ
diff --git a/obj/Debug/net5.0/StudyLib.dll b/obj/Debug/net5.0/StudyLib.dll
index 7f7a556..fba0460 100644
Binary files a/obj/Debug/net5.0/StudyLib.dll and b/obj/Debug/net5.0/StudyLib.dll differ
diff --git a/obj/Debug/net5.0/StudyLib.pdb b/obj/Debug/net5.0/StudyLib.pdb
index 4b9d631..cd94d79 100644
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diff --git a/obj/Debug/net5.0/ref/StudyLib.dll b/obj/Debug/net5.0/ref/StudyLib.dll
index 0938268..8e3dd95 100644
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