Lightning Invoice Decoder
Free decode — AI explanation for 5 sats
Understand what you're paying before you pay it. Paste any Lightning BOLT11 invoice and instantly see the amount, expiry, destination node, and payment hash. Optionally get an AI-powered plain English explanation that flags expired invoices and explains the payment context.
Decode an Invoice NowInstant Decode
Client-side decoding shows amount, expiry, destination, and payment hash immediately — completely free, no server request needed.
Local by Default
The raw invoice stays in your browser for the free decode. AI explanation sends decoded fields and questions to the selected model provider.
AI Interpretation
For 5 sats, get a plain English explanation that flags expired invoices, unusual amounts, and explains what you're actually paying for.
How It Works
Paste Your Invoice
Copy any BOLT11 Lightning invoice string and paste it into the decoder. It starts with 'lnbc' for mainnet or 'lntb' for testnet.
See Decoded Fields Instantly
The invoice is decoded client-side and you immediately see the amount, expiry, destination node, payment hash, and description — completely free.
Get AI Explanation
Optionally pay 5 sats for an AI interpretation. Decoded fields and your questions go to the selected model provider under its own data policy.
What You Can Do
Why Sats4AI?
Lightning Fast Payments
Scan a Lightning invoice, pay in sats, and start generating instantly. No waiting for credit card authorization or bank transfers. Payments settle in under a second on the Lightning Network.
No Account Profile
No signup or KYC. Pay per request without creating an account. Sats4AI keeps transaction and limited operational or abuse-prevention records; providers needed to run the tool process request data under their own policies.
Pay Per Use — No Subscriptions
Only pay for what you use. No monthly fees, no minimum commitments, no unused credits expiring. One satoshi payment per request, priced transparently in sats.
For Developers and AI Agents
Every tool on Sats4AI is available programmatically. Build applications that pay for AI with Bitcoin, or connect your AI assistant directly.
L402 API
Access every tool via HTTP with Lightning-authenticated L402 payments. No API keys needed — just pay the invoice attached to each request.
View L402 docs →MCP Server
Connect AI assistants like Claude, Cursor, and Windsurf directly to Sats4AI tools using the Model Context Protocol. One line of config.
View MCP setup →Agent-Ready
Built for autonomous AI agents. Machine-readable pricing, enum-based parameters, and instant micropayments let agents discover and use tools without human intervention.
View OpenClaw guide →