From 44e5d663af0f5779f44bb2da4d4dfd8cb7c9ef99 Mon Sep 17 00:00:00 2001
From: pdtkts <69439526+pdtkts@users.noreply.github.com>
Date: Wed, 11 Mar 2026 16:55:11 +0700
Subject: [PATCH] fix: respect API base when listing Anthropic models (#151)

---
 internal/http/provider_models.go | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/internal/http/provider_models.go b/internal/http/provider_models.go
index 55e2c8b7..f42d1986 100644
--- a/internal/http/provider_models.go
+++ b/internal/http/provider_models.go
@@ -57,7 +57,7 @@ func (h *ProvidersHandler) handleListProviderModels(w http.ResponseWriter, r *ht
 
 	switch p.ProviderType {
 	case "anthropic_native":
-		models, err = fetchAnthropicModels(ctx, p.APIKey)
+		models, err = fetchAnthropicModels(ctx, p.APIKey, p.APIBase)
 	case "gemini_native":
 		models, err = fetchGeminiModels(ctx, p.APIKey)
 	case "bailian":
@@ -88,8 +88,12 @@ func (h *ProvidersHandler) handleListProviderModels(w http.ResponseWriter, r *ht
 }
 
 // fetchAnthropicModels calls the Anthropic models API.
-func fetchAnthropicModels(ctx context.Context, apiKey string) ([]ModelInfo, error) {
-	req, err := http.NewRequestWithContext(ctx, "GET", "https://api.anthropic.com/v1/models", nil)
+func fetchAnthropicModels(ctx context.Context, apiKey, apiBase string) ([]ModelInfo, error) {
+	base := strings.TrimRight(apiBase, "/")
+	if base == "" {
+		base = "https://api.anthropic.com/v1"
+	}
+	req, err := http.NewRequestWithContext(ctx, "GET", base+"/models", nil)
 	if err != nil {
 		return nil, err
 	}