[{"data":1,"prerenderedAt":42},["ShallowReactive",2],{"tag-presigned-urls":3,"tag-all":13},[4],{"_path":5,"title":6,"description":7,"date":8,"tags":9},"\u002Fblog\u002Fpresigned-url-seven-day-ceiling","Presigned URLs expire at seven days. Then what?","Seven days is not a setting: it is how long the SigV4 signing key lives. What happens at that wall, and the three patterns that outlive it.","2026-10-31",[10,11,12],"s3","security","presigned-urls",[14,19,23,25,28,30,35,40],{"tags":15},[10,16,17,18],"iam","governance","access-control",{"tags":20},[10,16,21,22],"sts","aws",{"tags":24},[10,16,11,18],{"tags":26},[10,11,27],"uploads",{"tags":29},[10,11,12],{"tags":31},[10,32,33,34],"tutorial","tooling","seaweedfs",{"tags":36},[10,37,38,39],"pricing","cloud","cost-optimisation",{"tags":41},[10,38],1793734272783]