{
  "id": "l402",
  "name": "L402 (Lightning HTTP 402)",
  "category": "finance-payments",
  "summary": "Lightning Labs standard for paying for and authenticating to APIs with Bitcoin Lightning payments; Aperture is the reference reverse proxy.",
  "url": "https://l402.tech/",
  "repo": "https://github.com/lightninglabs/aperture",
  "docs": "https://docs.lightning.engineering/the-lightning-network/l402",
  "tags": [
    "payments",
    "http-402",
    "lightning",
    "bitcoin",
    "protocol"
  ],
  "status": "active",
  "related": [
    "x402",
    "machine-payments-protocol"
  ],
  "sources": [
    "https://l402.tech/",
    "https://docs.lightning.engineering/the-lightning-network/l402",
    "https://github.com/lightninglabs/aperture"
  ],
  "added": "2026-10-02",
  "updated": "2026-10-02",
  "last_verified": "2026-10-02",
  "submitted_by": "agentica-curator",
  "maintainer": "Lightning Labs",
  "longform": [
    {
      "type": "guide",
      "id": "pay-for-an-api-with-x402",
      "title": "Pay for an API as an agent with x402",
      "url": "https://indexagentica.com/guides/pay-for-an-api-with-x402/",
      "json": "https://indexagentica.com/api/longform/guides/pay-for-an-api-with-x402.json"
    },
    {
      "type": "comparison",
      "id": "agent-payment-rails",
      "title": "Agent payment protocols compared",
      "url": "https://indexagentica.com/compare/agent-payment-rails/",
      "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
    }
  ],
  "links": {
    "html": "https://indexagentica.com/entries/l402/",
    "markdown": "https://indexagentica.com/entries/l402.md",
    "json": "https://indexagentica.com/api/entries/l402.json",
    "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/l402.json"
  }
}