Fern Developer Docs
  • Overview
    • What is Fern?
    • What Fern supports
      • Customer types
      • Transaction types
      • Fiat currencies
      • Cryptocurrencies and networks
    • Earning revenue with Fern
    • Help & Support
  • Getting started
    • Onboarding to Fern
    • Core API concepts
    • Your first transaction
    • Developer dashboard
  • Guides
    • Create and verify customers
      • Requirements for Individuals
      • Requirements for Businesses
    • First-party onramps
    • First-party offramps
    • Third-party payments (coming soon)
  • API reference
    • Customers
      • Additional details
    • Payment Accounts
    • Quotes
    • Transactions
      • Additional details
  • Advanced
    • Slippage & Price impact
    • Rate limits
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  1. Overview

What is Fern?

Fern is a seamless currency conversion and payments API that enables developers to integrate onramps, offramps, and third-party fiat/crypto payments into their applications.

Fern works with licensed liquidity providers and financial institutions to offer global currency support in one standardized API.

Fern API core features

  • Multiplex API — Any-to-any currency conversion across all supported crypto and fiat currencies

  • Wallets API — Provision non-custodial wallets for your users, with Fireblocks and the user as wallet signers

  • Multi-currency virtual accounts API — Named virtual accounts for business and individual customers, enabling fiat acceptance in 15+ currencies

  • Fern compliance program — Easily onboard businesses and individuals globally with Fern's KYC/B forms branded with your company name and logo. Fern's internal compliance team will directly manage and review customer applications.

  • Developer experience — High-touch customer support, scalable API design, and a focus on reliability and responsiveness

Last updated 18 days ago