L402 Challenge Parser

Normalize 402 challenge headers and payloads — 8 sats

About

Paste a WWW-Authenticate header and/or 402 response payload to extract normalized payment_request, payment_hash, macaroon, and token fields.

Try It

8 sats via L402.

WWW-Authenticate header (optional if challenge JSON provided) Challenge JSON (optional) payment_hash (paste after paying invoice)

API Usage

curl -X POST https://maximumsats.com/api/l402-parse \
  -H "Content-Type: application/json" \
  -d '{"www_authenticate":"L402 invoice=\"lnbc...\", payment_hash=\"abc123\", macaroon=\"Ag..." }'

Sample Response

{
  "ok": true,
  "normalized": {
    "scheme": "L402",
    "payment_request": "lnbc...",
    "payment_hash": "abc123...",
    "macaroon": "Ag..."
  }
}

Also available via MCP as l402_parse at maximumsats.com/mcp