Check invoice expiry and remaining lifetime — 6 sats
Inspect a Lightning BOLT11 invoice and get expiry status details: issued time, expires-at time, seconds remaining, and whether the invoice is already expired.
6 sats via L402.
curl -X POST https://maximumsats.com/api/bolt11-inspect \
-H "Content-Type: application/json" \
-d '{"invoice": "lnbc..."}'
{
"amount_sats": "50000",
"payment_hash": "...",
"expires_at_iso": "2026-02-18T10:00:00.000Z",
"seconds_remaining": 1320,
"is_expired": false
}