curl --request POST \
  --url https://api.example.com/v1/agent-credentials/{credentialId}/revoke \
  --header 'Content-Type: application/json' \
  --header 'x-ws-api-key: <api-key>' \
  --data '
{
  "reason": "Prototype finished; credential no longer needed."
}
'

{
  "outcome": "revoked",
  "credential_id": "ws_agent_cred_123456789",
  "request_id": "ws_request_123456789",
  "production_access": false,
  "next_steps": "Request a new sandbox credential when you need API access again."
}