asset_type- requires currency code for supported assets, using this parameter locks asset type to enable only buying of this asset and prevents user from changing to different cryptocurrency, should be in lowercase
to_address- setting this parameter locks user from changing destination wallet address. If
to_addressis defined then either
asset_typeor network parameters also need to be defined
amount_type- possible options for this parameters are "
fiat" or "
crypto". Default fiat is EUR. This field is required if
amountparameter is being sent, and it defines whether the defined
amountis crypto or fiat
amount- define how much user will be buying, setting this parameter locks user from changing amount value
webhook_url- destination for postback data
additional_fields- can use number or string as key, there is no limit for number of additional fields used
network- defines supported network and filters available coins shown in UI according to it