diff --git a/src/lib/api.ts b/src/lib/api.ts
index a44abf5..d4363de 100644
--- a/src/lib/api.ts
+++ b/src/lib/api.ts
@@ -1,4 +1,8 @@
-const BASE = import.meta.env.VITE_API_URL ?? 'https://odoo-mcp.thedomainnest.com';
+// Strip any trailing slash regardless of how VITE_API_URL was set — every
+// call site below concatenates a leading-slash path directly onto BASE
+// (e.g. `${BASE}/api/signup`), so a trailing slash here would silently
+// produce a double-slash URL that 404s.
+const BASE = (import.meta.env.VITE_API_URL ?? 'https://api.getodoomcp.com').replace(/\/+$/, '');
 
 // FastAPI's `detail` field is a plain string for handler-raised HTTPExceptions,
 // but an array of {loc, msg, type} objects for its own automatic request