# Kraken

> Fiat ↔ BTC ↔ stablecoin across many fiat currencies on a mature trading API

A large, long-established multi-asset exchange with broad fiat pairs and a mature trading API.

- Category: fiat-ramp
- Payment methods: lightning, onchain, fiat
- KYC: required
- Custody: custodial
- Automatability: api-kyc — API after KYC onboarding — automatable once a human completes identity verification
- Auth: API key — KYC account required
- API base: https://api.kraken.com
- Quickstart: Complete KYC, create an API key, then full deposit/trade/withdraw over REST + WebSocket (docs.kraken.com).
- Site: https://kraken.com
- Docs/API: https://docs.kraken.com
- Full card (verified detail, gotchas): https://bitcoineconomy.ai/exchanges/kraken
- Provenance: curated (last verified 2026-06-06)

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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