Pricing
L402 Launch Checker
Two ways to check your API endpoint for Lightning Network 402 support.
Free Preflight Check
A lightweight probe that sends a single request to your endpoint and analyzes the response for L402 signals.
- Reachability check
- Method validation
- Challenge detection
Price: Free
Full Scan
A complete L402 diagnostic that executes the full challenge-response flow against your endpoint.
- Everything in Preflight, plus:
- Invoice parsing and verification
- Payment hash consistency check
- Full transcript capture
- Prioritized fix list with exact guidance
Price: 49 sats per scan
Spend is capped. You set the maximum before running. If the scan exhausts your cap, you pay only what was actually spent.
After preflight, you can run the full scan from the results page.
FAQ
- What if my endpoint is not L402-ready yet?
- That is the most common outcome and exactly when the paid scan is most useful. It tells you exactly what is missing and how to fix it.
- How long does the scan take?
- Usually under 10 seconds. Costs are capped so you stay in control.
- What does the paid scan give me that the free preflight does not?
- Extended challenge-response testing, invoice parsing and verification, full transcript capture, and a prioritized fix list with exact guidance.