Detect mainnet/testnet/signet/regtest from invoice HRP — 5 sats
Classify which Bitcoin network a BOLT11 invoice targets by inspecting invoice HRP/currency fields. Returns normalized network keys and testnet/mainnet flags.
5 sats via L402.
curl -X POST https://maximumsats.com/api/bolt11-network \
-H "Content-Type: application/json" \
-d '{"invoice": "lnbc..."}'
{
"ok": true,
"currency": "bc",
"hrp_prefix": "lnbc",
"network": "bitcoin_mainnet",
"chain": "bitcoin",
"is_mainnet": true,
"is_test_network": false,
"payment_hash": "..."
}