l402

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.

AI agent security harness for adversarial testing: 606 executable tests on main, 603 in the v4.15.0 release, across MCP, A2A, x402/L402, decision governance, benchmark integrity, human-in-the-loop, skill supply chain. Commit-pinned OWASP Agentic v1.1 T1-T17 (13 direct, 4 partial), AIUC-1 2026-Q1/Q2 crosswalk 19/20, NIST AI 800-2 aligned.

Bitcoin wallet with account management, Lightning integration through different providers and smart contracts for asset issuance

The Economic Firewall for AI Agent Requests

MCP client for the markdown2pdf.ai service. ⚡ Markdown to PDF conversion, for agents. ⚡ Agents speak Markdown. Humans prefer PDF. Bridge the gap for the final stage of your agentic workflow. No sign-ups, no credit cards, just sats for bytes.

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.

Decentralized agent memory for the Lightning economy. Nostr identity, L402 payments, MCP server.

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

MCP server enabling AI agents to make Lightning Network payments

Golang L402 client module to consume L402 endpoints.

Discover, rate, and pay for APIs over Bitcoin Lightning. The L402 + x402 service directory for the agent economy.

Typescript client for the markdown2pdf.ai service. ⚡ Markdown to PDF conversion, for agents. ⚡ Agents speak Markdown. Humans prefer PDF. Bridge the gap for the final stage of your agentic workflow. No sign-ups, no credit cards, just sats for bytes.

Bitcoin Lightning wallet CLI built for autonomous AI agents.

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

Python client and tools for the Lightning Network L402 protocol

Python client for the markdown2pdf.ai service. ⚡ Markdown to PDF conversion, for agents. ⚡ Agents speak Markdown. Humans prefer PDF. Bridge the gap for the final stage of your agentic workflow. No sign-ups, no credit cards, just sats for bytes.

Production reference for agentic commerce: protocols (ACP, AP2, x402, MCP), stablecoin rails, agent skills, and the merchant playbooks specs leave out — refunds, multi-chain settlement, catalog discovery, fraud, jurisdiction, receipts. Maintained by Cryptorefills.

Accept Bitcoin payments. Zero fees. No middleman. Self-hosted payment infrastructure — the open-source Stripe alternative. Lightning, Cashu ecash, Fedimint. Instant settlement, no KYC, no chargebacks. Three questions, one Docker command, live in 15 minutes.

The verification layer for autonomous agents — an independent, capital-aware verdict before an irreversible action (/review), a cryptographically signed proof after, and a public on-chain track record, losses included. Free EdgeProof backtest validation. Underneath: memory, sandboxed execution, marketplace. Pay in sats, USDC (x402), or card.

Example of an API paywalled with the L402 protocol, written in Rust.