# Boltz

> Atomic swaps — Lightning ↔ on-chain ↔ Liquid, plus Lightning ↔ USDT/USDC

A non-custodial, no-KYC atomic-swap service — swaps settle via shared-preimage HTLCs, so the agent never gives up custody and no account or identity is required.

- Category: swap
- Payment methods: lightning, onchain, liquid
- KYC: none
- Custody: self-custody
- Automatability: api-no-account — API with no account — payment or a key is the credential; zero human onboarding
- Auth: none
- API base: https://api.boltz.exchange/v2
- Quickstart: Create a swap against the v2 REST API — no account; atomic HTLC settlement keeps custody with the agent throughout (docs: api.docs.boltz.exchange).
- Site: https://boltz.exchange
- Docs/API: https://api.docs.boltz.exchange
- Full card (verified detail, gotchas): https://bitcoineconomy.ai/exchanges/boltz
- Provenance: curated (last verified 2026-06-03)

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Part of [The Marketplace directory](https://marketplace.bitcoineconomy.ai/) · registry JSON: https://marketplace.bitcoineconomy.ai/directory.json · full thesis: https://bitcoineconomy.ai/case