Resources for Merchants

Do APEXX enforce any request limits on API calls?
Below information is applicable for both AX2 and Atomic Platform. APEXX does not enforce a limit on the amount of API calls the merchant application can...
Sat, 12 Mar, 2022 at 6:43 AM
What currencies does APEXX support?
APEXX supports 165 currencies. Should a currency you require be missing, please contact us at support@apexx.global. Note that the range of currencies...
Wed, 27 Aug, 2025 at 3:27 PM
How can I add further payment streams to my existing configuration?
Below content is applicable for both Atomic as well as AX2 The configuration in APEXX will only require updating if you have added a new payment stream ...
Mon, 14 Mar, 2022 at 11:19 AM
How can I add a new payment method to my existing configuration?
Below content is applicable for both Atomic as well as AX2 In order to add a new payment method to your existing merchant configuration, please reach...
Mon, 14 Mar, 2022 at 11:19 AM
What is the purpose of webhooks?
Below content is similar for Atomic as well as AX2 WHAT ARE WEBHOOKS? Webhooks allow APEXX to push transaction updates to the merchant application a...
Mon, 14 Mar, 2022 at 11:22 AM
What customisation options does the APEXX hosted payment page offer?
Below content will remain same for Atomic as well as AX2 Merchants wishing to use the hosted payment page can customise certain elements of the payment pag...
Mon, 14 Mar, 2022 at 11:44 AM
As a merchant, I do not want to maintain PCI Level 1 compliance. How can I compliantly capture card data?
Below content will remain same for Atomic as well as AX2 Merchants wishing to store sensitive card data must attain and maintain PCI Level 1 complian...
Mon, 14 Mar, 2022 at 11:44 AM
APEXX API Reference
Table of Contents Introduction Basic Principles Connecting to APEXX Authentication HTTPS Connection Security Currency Precision Environments ...
Wed, 21 Jan, 2026 at 1:23 PM
MIR card transactions keep getting declined in Sandbox (Ingenico)
Below content is similar for AX2 as well as Atomic PURPOSE When testing MIR cards in an APEXX/Ingenico pre-production (sandbox) environment, transactio...
Mon, 14 Mar, 2022 at 12:53 PM
Error "production.apexxfintech.com refused to connect" when trying to load hosted payment page into iframe
Below content will remain same for Atomic as well as AX2, except domain name will change for Atomic. Issue When trying to load the APEXX hosted payment...
Mon, 14 Mar, 2022 at 12:54 PM