I'm not sure how legal this is under the Terms of Service. lichess.org/terms-of-service
"7. Abuse our infrastructure. Don’t take any action that imposes an unreasonable load on our infrastructure or on our third-party providers. We reserve the right to determine what is reasonable.
8. Spamming. Posting unsolicited messages like junk mail, chain letters, or just general spam is just frustrating for our Users, so don’t do it."
"7. Abuse our infrastructure. Don’t take any action that imposes an unreasonable load on our infrastructure or on our third-party providers. We reserve the right to determine what is reasonable.
8. Spamming. Posting unsolicited messages like junk mail, chain letters, or just general spam is just frustrating for our Users, so don’t do it."