URL Parameters

Off-ramp URL​

Environment	URL
Sandbox	https://sandbox-pay.fonbnk.com/offramp
Production	https://pay.fonbnk.com/offramp

List of parameters​

Here is the list of parameters that can be added to the URL:

Parameter	Description
network	Wallet network from which user will send crypto. Supported values: POLYGON, AVALANCHE, CELO, ETHEREUM
asset	Wallet asset from which user will send crypto. Supported values: USDC,CUSD depending on network. Supported network/asset pairs: AVALANCHE (USDC, USDT), POLYGON (USDC, USDT), CELO (CUSD, USDT, USDC), ETHEREUM(USDC, USDT)
amount	If a currency is not provided, it will be an amount of crypto user wants to exchange. If currency is local it will be the amount of local currency user wants to receive.
offrampCurrency	Currency of the amount. Supported values: usd or local
offrampType	Type of the off-ramp: bank, airtime, mobile_money, paybill
country	default selected country iso code, example: KE for Kenya, NG for Nigeria
currencyIso	currency iso code, example: KES for Kenya, NGN for Nigeria. Acts like a country parameter.
freezeAmount	Freezes the amount of order for the user, the user will not be able to change it. The amount is required in the URL for this parameter to work.
freezeWallet	Freezes the wallet of order for the user, the user will not be able to change it. The wallet is required in the URL for this parameter to work.
orderParams	This parameter will be sent to a merchant webhook with order status changes
source	parameter used to match an order to a merchant
hideSwitch	if present, hides Buy/Sell switch at the top