{"version":"v7","warning":"Demo endpoint returns key metadata only. Never expose key_hash or full secrets to browser clients.","keys":[{"name":"Production inference key","prefix":"ue_live_prod_8f2","regions":"APAC, EU","quota":"25M tokens/month","status":"active"},{"name":"Sandbox integration key","prefix":"ue_test_sbx_3c1","regions":"Global non-sensitive","quota":"1M tokens/month","status":"active"},{"name":"Legacy pilot key","prefix":"ue_live_old_9aa","regions":"Africa","quota":"5M tokens/month","status":"rotation required"}]}