Curl-url-http-3a-2f-2f169.254.169.254-2flatest-2fapi-2ftoken ((free)) 【TRUSTED】

Tokens expire after the TTL you set. The default is 6 hours. If you keep a token longer than that, you will get 401 Unauthorized . Always re‑request the token periodically (e.g., before each metadata fetch, or cache with refresh logic).

If you are a security researcher and you see curl http://169.254.169.254/latest/api/token in a target application, — especially on a production system. A single successful request could retrieve live IAM keys, which might be considered a violation of the bug bounty terms (or even computer fraud laws in some jurisdictions). curl-url-http-3A-2F-2F169.254.169.254-2Flatest-2Fapi-2Ftoken

. These credentials were like a skeleton key to the rest of the AWS kingdom. The Birth of the Token My Hands-On with AWS EC2 Instance Metadata Service Tokens expire after the TTL you set