L402 (Lightning HTTP 402) Projects

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routeweiler-python-sdk

by nikoSchoinas

The financial operating system for AI agents. A single HTTP client that intercepts '402 Payment Required', routes across x402, L402, and MPP, persists credentials as recoverable assets, enforces per-envelope budgets, and emits a structured trace.

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red-team-blue-team-agent-fabric

by msaleme

540 security tests for AI agent systems — MCP, A2A, x402/L402, decision governance, benchmark integrity, skill supply chain. AIUC-1 pre-cert, NIST AI 800-2 aligned, MCP tool-poisoning reproduction. v4.9.1

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agent-payment-protocols

by Custena

A neutral landscape analysis of AI agent payment protocols (x402, MPP, L402, Google AP2, Visa TAP + ICC, Mastercard Agent Pay, Amex ACE, Google/Shopify UCP, OpenAI ACP, and others). Maintained by Genesis Software Group, Copenhagen. Updated April 2026. CC BY 4.0.

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lightning-wallet-mcp

by lightningfaucet

MCP Server for Lightning Faucet - Give your AI agent a Bitcoin wallet

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boltzpay

by leventilo

Give your AI agents a fetch() that pays. Multi-protocol, multi-chain, open source.

4

402index-mcp-server

by ryanthegentry

MCP server for 402 Index: discover 15,000+ paid API endpoints across L402, x402, and MPP

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Mycelia-Signal-Sovereign-Oracle

by jonathanbulkeley

Sovereign oracle protocol — cryptographically signed data over Lightning sats (L402) and USDC on Base (x402). 11 feeds, 9 exchanges, DLC attestations, MCP server. No API keys, no accounts, no trust.

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toll-booth

by forgesworn

Any API becomes a Lightning toll booth in one line. L402 middleware for Express, Hono, Deno, Bun, and Workers.

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boltzpay

by grimn0va

Enable AI agents to access paid APIs across multiple protocols and chains with automated payment and data retrieval in one call.

4

402-announce

by forgesworn

Announce HTTP 402 services on Nostr for decentralised discovery. Kind 31402 parameterised replaceable events.

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ln-church-agent

by mayim-mayim

Buyer-side HTTP 402 runtime and surface inspector for autonomous agents: inspect, pay, recover, verify, and trace across L402, x402, and MPP.

4

402-mcp

by forgesworn

402 client MCP - AI agents discover, pay for, and consume L402 + x402 APIs

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satgate

by TheCryptoDonkey

Lightning-paid AI inference - monetise any OpenAI-compatible endpoint in 30 seconds

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l402-js

by joelklabo

JavaScript client library for L402 (HTTP 402 Payment Required with Lightning Network) - pay-per-request APIs

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l402-go

by joelklabo

Go client library for L402 (HTTP 402 Payment Required with Lightning Network) - pay-per-request APIs

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X402-Launch-Drift-Narrative-The-MCP-Illusion-How-Coinbase-Reframed-X402-to-Simulate-Prior-Art

by Spencerman1

This contradiction card documents Coinbase’s orchestration inflation via HTTP status code rebranding, wallet-based identity simulation, and semantic laundering. It proves that X402, L402, MCP, and EVMAUTH are post-filing simulation artifacts—not prior art.

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pay402

by RDMoutlaw

Universal payment SDK for AI agents, MCP servers, and automated pipelines. Bridges L402 (Lightning) and x402 (USDC) transparently.

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mcp-server

by @402index

MCP server for 402 Index — search 15,000+ paid API endpoints across L402, x402, and MPP protocols with real-time health monitoring

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agentpay

by joelklabo

Cross-protocol payment router for AI agents. Handles x402 (USDC), L402 (Lightning), and Solana SPL payments transparently.

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elizaos-plugin-mycelia-signal

by jonathanbulkeley

Mycelia Signal sovereign price oracle plugin for ElizaOS — cryptographically signed price attestations via Lightning (L402) or USDC on Base (x402)