ECHO API (EILAPI) EILAPI From Agence luxembourgeoise d’action Culturelle a.s.b.l. The Echo API is a public API that has been defined and developed to give external partners the possibility to create and manage their experiences progamatically. Metadata quality: Metadata quality: Data description filled Files documented License filled Update frequency not set File formats are open Temporal coverage not set Spatial coverage not set Learn more about this indicator Metadata quality: 56.0% Updated on February 12, 2026 Other (Open) 0 reuses 0 favorites