Alby x402 Lightning DemoGET /demo/quote · x402 API by Alby
Demo endpoint for Lightning Network payments on the x402 protocol. Returns a 402 challenge with a BOLT11 invoice; pay with any Lightning wallet to unlock a Satoshi Nakamoto quote.
What does this x402 API do?
Alby x402 Lightning Demo. This is an x402-gated GET API resource from Alby. TOLL·402 records origin reachable evidence as of 2026-08-24. The listing records $0.01 USD-denominated per request on Lightning. No settled paid call has been verified.
- Published price
- $0.01 USD-denominated per request
- Networks
- Lightning
- Latest evidence
- TOLL·402 records origin reachable evidence as of 2026-08-24
- Resource ID
- 3bf279f85122dcfb99691ec2
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://x402.albylabs.com/demo/quote", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Observed in 402-index
Discovered through self-registered.
- Exact route checked
http 402 invalid · accept-0:resource-mismatch;accepts-missing
- Origin reachable
HEAD https://x402.albylabs.com/ returned 200.
- Registry record checked
Registry health: healthy.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is $0.01 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.