import Zoom from 'react-medium-image-zoom' import 'react-medium-image-zoom/dist/styles.css' import { Tabs } from 'nextra/components' import { Callout } from 'nextra/components' import BackendIntro from '../../../../public/exchange/import/backend-intro.mdx' import PayloadAndSignature from '../../../../public/exchange/import/payload-and-signature.mdx'
In order to communicate with Ledger’s backend, you must provide standardised APIs for Ledger's BUY aggregator services to call.
You will find all the information regarding the BUY endpoints here: https://exchange-integration-buy.redoc.ly/.There are 3 main endpoints needed for the buy: - To get the list of available fiat, country, payment, method and amount: /capabilities. - To get the list of available crypto-currencies: /crypto-currencies. - To get the crypto amount that the user should expect -after all fees are deducted - as a payment for the given fiat amount: /quotes.