The main site is fine: https://suttacentral.net/api/suttaplex/thig16.1
Staging is sad: https://staging.suttacentral.net/api/suttaplex/thig16.1
(actually the staging API seems broken for all suttas sampled: mn1, thig1.1, etc.)
Anagarika @Sabbamitta, this may prevent testing of fix for Cannot load Thig16.1 · Issue #116 · sc-voice/sc-voice · GitHub