# Block Header **GET /blocks/latest/header**

status: stable

Return the latest block-header available at the chain source ## Servers - https://localhost:8090/v2: https://localhost:8090/v2 () ## Parameters ## Responses ### 406: Not Acceptable #### Body Parameters: application/json (object) - **message** (string) May occur when providing an invalid 'Accept' header. - **code** (string) ### 200: OK #### Body Parameters: application/json (object) - **header_hash** (string(hex)) The hash of a block - **slot_no** (object) - **block_height** (object) [Powered by Bump.sh](https://bump.sh)