fix(countTokens): correctly set beta header

anthropics · Nov 1, 2024 · 3002c2e · 3002c2e
1 parent affdd31
commit 3002c2e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/resources/beta/messages/messages.ts b/src/resources/beta/messages/messages.ts
@@ -77,7 +77,7 @@ export class Messages extends APIResource {
       body,
       ...options,
       headers: {
-        ...(betas?.toString() != null ? { 'anthropic-beta': betas?.toString() } : undefined),
+        'anthropic-beta': [...(betas ?? []), 'token-counting-2024-11-01'].toString(),
         ...options?.headers,
       },
     });