Lumen API Marketplace
The Lumen API Marketplace was the enterprise catalog where partners and customers browsed APIs and requested credentials. It has been folded into the Lumen Developer Center and Lumen Connect. As of 2026-09-05 the apimarketplace.lumen.com host still answers, but it presents a TLS certificate for CN=developer.centurylink.com that expired 2026-01-15, so an ordinary browser refuses the connection before its 301 to developer.lumen.com is ever followed. Its two former pointers have been removed from this record and the finding is captured in lifecycle/centurylink-lifecycle.yml. API key creation, editing, product scoping and client-secret reset now live in Lumen Connect and are documented on docs.lumen.com.