diff --git a/plugins/wasm-go/extensions/ai-proxy/provider/claude.go b/plugins/wasm-go/extensions/ai-proxy/provider/claude.go
index 97e731b6..402918e9 100644
--- a/plugins/wasm-go/extensions/ai-proxy/provider/claude.go
+++ b/plugins/wasm-go/extensions/ai-proxy/provider/claude.go
@@ -1060,16 +1060,16 @@ func (c *claudeProvider) insertHttpContextMessage(body []byte, content string, o
 }
 
 func (c *claudeProvider) GetApiName(path string) ApiName {
-	if strings.Contains(path, PathAnthropicMessages) {
+	if strings.HasSuffix(path, PathAnthropicMessages) {
 		return ApiNameChatCompletion
 	}
-	if strings.Contains(path, PathAnthropicComplete) {
+	if strings.HasSuffix(path, PathAnthropicComplete) {
 		return ApiNameCompletion
 	}
-	if strings.Contains(path, PathOpenAIModels) {
+	if strings.HasSuffix(path, PathOpenAIModels) {
 		return ApiNameModels
 	}
-	if strings.Contains(path, PathOpenAIEmbeddings) {
+	if strings.HasSuffix(path, PathOpenAIEmbeddings) {
 		return ApiNameEmbeddings
 	}
 	return ""
diff --git a/plugins/wasm-go/extensions/ai-proxy/provider/claude_test.go b/plugins/wasm-go/extensions/ai-proxy/provider/claude_test.go
index 2133bcdf..d1ec356e 100644
--- a/plugins/wasm-go/extensions/ai-proxy/provider/claude_test.go
+++ b/plugins/wasm-go/extensions/ai-proxy/provider/claude_test.go
@@ -572,6 +572,12 @@ func TestClaudeProvider_GetApiName(t *testing.T) {
 	t.Run("unknown_path", func(t *testing.T) {
 		assert.Equal(t, ApiName(""), provider.GetApiName("/unknown"))
 	})
+
+	t.Run("sub_paths_should_not_match", func(t *testing.T) {
+		assert.Equal(t, ApiName(""), provider.GetApiName("/v1/messages/count_tokens"))
+		assert.Equal(t, ApiName(""), provider.GetApiName("/v1/messages/batches"))
+		assert.Equal(t, ApiName(""), provider.GetApiName("/v1/complete/something"))
+	})
 }
 
 func TestClaudeProvider_BuildClaudeTextGenRequest_ToolRoleConversion(t *testing.T) {