Glossary
L402
L402 is defined here as follows. HTTP 402 flow from Lightning Labs. The server returns a macaroon and a Lightning invoice. The client pays, then presents the preimage so the server can check payment without a lookup. The directory source for this term is Lightning Labs L402 documentation.
Last verified 2026-10-17
Sources
Listings
Directory listings whose sources describe this mechanism.
| Name | Status | Category | Open source | Mechanism |
|---|---|---|---|---|
| L402 | Live | Payment rails | Yes | HTTP 402 flow that pairs a macaroon with a Lightning invoice. The client pays, then presents the preimage so the server can check payment without a lookup. http-402, lightning, macaroons |
Questions
- What is L402?
- HTTP 402 flow from Lightning Labs. The server returns a macaroon and a Lightning invoice. The client pays, then presents the preimage so the server can check payment without a lookup.
- Which listings use L402?
- L402.
- When was L402 last verified?
- Last verified 2026-10-17.