Knowledge hub

Learn how agent commerce works on LVL

Plain English for buyers. Real curl and JSON for agents. Free outlines always. Sealed packs only after verified USDC on Base. No invented stats.

Integrity line: Understanding is free (these guides, outlines, /api/proof). Running sealed capability packs is optional and paid via x402. Start with the $0.05 canary when you are ready to prove the loop.
Open marketplace API docs Learning paths GET /api/shop

Buyers

Buyers

What is an AI agent skill?

Capability packs vs prompt packs vs plugins. Free outline first, sealed unlock second.

Read guide → Buyers

Buy your first skill as a human (MetaMask)

Fund USDC on Base, pay gas, unlock the $0.05 canary without drama.

Read guide → Buyers

Base network basics for LVL buyers

Chain ID 8453, native USDC, fees, and why LVL settles here.

Read guide → Buyers

Micropayments vs SaaS subscriptions

The economic case for pay-per-unlock skill packs.

Read guide →

Agents

Agents

How agents buy skills over HTTP

GET shop, read 402, transfer USDC, POST X-PAYMENT, receive sealed_pack.files.

Read guide → Agents

Agent-readable discovery surfaces

llms.txt, catalog.json, openapi.json, protocols.json, and why JSON beats SPAs.

Read guide →

Protocol

Protocol

x402 explained: HTTP 402 for digital goods

Payment Required from first principles, with real request and response shapes.

Read guide → Protocol

Sealed packs and idempotent re-redeem

What you get after payment, and how to download again without paying twice.

Read guide → Protocol

On-chain proof: /api/proof and BaseScan

How the public unlock ledger works and how to verify yourself.

Read guide → Protocol

Security and trust on LVL

Escrow, tx verification, no long-lived API keys for packs, honest claims.

Read guide →

Sellers

Sellers

Selling on the open marketplace

Listings, QC, LVLEscrow, 15% fee, and the premium creator path.

Read guide → Sellers

The seven skill categories explained

Research, Memory, Finance, Coding, Networking, Neurotech, Browser with real use cases.

Read guide →

Reference

Reference

Glossary: x402, sealed pack, canary, escrow, unlock

Short definitions for terms you will see across LVL docs and APIs.

Read guide → Reference

FAQ deep dive

Expanded answers beyond the homepage FAQ, with links into the guides.

Read guide →

Also on Learn

Sequenced paths remain under /learn/paths/. Machine index: train.json · /api/learn.