diff --git a/src/discord_notifier/__main__.py b/src/discord_notifier/__main__.py
index 3560dda..2439bbf 100644
--- a/src/discord_notifier/__main__.py
+++ b/src/discord_notifier/__main__.py
@@ -17,7 +17,7 @@ class APISession(Session):
         super().__init__()
     
     def request(self, method: str | bytes, url: str | bytes, *args, **kwargs) -> Response:
-        url = self.base_url + url
+        url = urljoin(self.base_url + url)
         return super().request(method, url, *args, **kwargs)
 
 logfile_webhook = None
@@ -77,14 +77,14 @@ try:
             repo_id = pipeline_url[1]
             pipeline_number = pipeline_url[3]
             
-            pipeline_info = client.get(f"/repos/{repo_id}/pipelines/{pipeline_number}").json()
+            pipeline_info = client.get(f"/api/repos/{repo_id}/pipelines/{pipeline_number}").json()
             for workflow in pipeline_info["workflows"]:
                 if workflow["name"] != environ["CI_WORKFLOW_NAME"]:
                     continue
                 for step in workflow["children"]:
                     if step["state"] != "failure":
                         continue
-                    loginfo = client.get(f"/repos/{repo_id}/logs/{pipeline_number}/{step['id']}").json()
+                    loginfo = client.get(f"/api/repos/{repo_id}/logs/{pipeline_number}/{step['id']}").json()
                     logdata = b""
                     for logline in loginfo:
                         logdata += b64decode(logline["data"])