Svmuu reported that Polymarket Developer announced on X platform that CLOB maintenance has been completed and all services are back to normal. The team will closely monitor latency and stability over the next few hours, with more improvements expected next week.
Additionally, the Polymarket L1 Clients interface documentation has updated the constraint description from "each wallet can only have one active API key at a time, and creating a new key will invalidate the old one" to "creating a new API key (L2 credentials) will invalidate the old key."