curl --request DELETE \
  --url https://api.withampersand.com/v1/projects/{projectIdOrName}/jwt-keys/{keyId} \
  --header 'X-Api-Key: <api-key>'

{
  "type": "https://httpstatuses.com/404",
  "title": "Not Found",
  "status": 404,
  "detail": "JWT key not found",
  "remedy": "check the key ID and project ID are both correct, and try again"
}