API Reference

Add a payment instrument

post
https://api-sandbox.retail.monext.com/v1/checkout/merchants//mxwallets//paymentinstruments

Add a payment instrument to an existing MXWallet.

Recent Requests
Log in to see full request history
TimeStatusUser Agent
Retrieving recent requests…
LoadingLoading…
Path Params
string
required

Merchant identifier

string
required
1 to 50

MXWallet identifier (unique by Merchant)

Body Params
paymentInstrumentOrigin
required

Refers to the origin of a payment instrument to add or replace a payment instrument in a MXWallet.

string

Comment about this MXWallet.

Responses

Updated about 1 year ago

Language
Credentials
Basic
base64
:
LoadingLoading…
Response
Click Try It! to start a request and see the response here! Or choose an example:
*/*

Updated about 1 year ago

Monext Retail API documentation
Monext 2025