For AI agents: a documentation index is available at https://www.elastic.co/docs/api/doc/serverless/llms.txt. Markdown versions of each page are available by sending an Accept: text/markdown header, or by appending .md to the page URL.

Fleet Message Signing Service

Enables you to rotate message signing key pairs for secure Fleet communication.

Operations quick access

POST /api/fleet/message_signing_service/rotate_key_pair