diff --git a/src/server/services/providerService.ts b/src/server/services/providerService.ts
index 80504267..612fc3e4 100644
--- a/src/server/services/providerService.ts
+++ b/src/server/services/providerService.ts
@@ -740,7 +740,7 @@ function buildDirectTestRequest(
   }
 }
 
-function buildAnthropicAuthHeaders(apiKey: string, authStrategy: ProviderAuthStrategy): Record<string, string> {
+export function buildAnthropicAuthHeaders(apiKey: string, authStrategy: ProviderAuthStrategy): Record<string, string> {
   switch (authStrategy) {
     case 'api_key':
       return { 'x-api-key': apiKey }