BOLT11 Signature Inspector

Inspect signature hex + recovery id quickly — 5 sats

About

Extract BOLT11 signature metadata from the invoice signature trailer. Returns normalized signature hex length/format checks and recovery-id validation for wallet/integration debugging.

Try It

5 sats via L402.

BOLT11 invoice

API Usage

curl -X POST https://maximumsats.com/api/bolt11-signature \
  -H "Content-Type: application/json" \
  -d '{"invoice": "lnbc..."}'

Sample Response

{
  "ok": true,
  "currency": "bc",
  "payment_hash": "...",
  "has_signature": true,
  "signature_hex_length": 128,
  "signature_bytes": 64,
  "signature_format_valid": true,
  "recovery_id": 1,
  "recovery_id_valid": true
}

Also available via MCP at maximumsats.com/mcp