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FAQs

Payment Gateway​

Can I re-use a transaction id?​

The TRANSACTION_ID is only valid for one transaction and cannot be re-used. It should be unique for every transaction.

Can I use the same HTTP Request URL for Demo and Production?​

No you cannot. The demo base URL is https://api.credodemo.com, while the production base URL is https://api.credocentral.com

What is a Terminal ID and why do I need it?​

A Terminal ID uniquely maps your merchant account on our platform. It identifies your access to the Credo platform and should not be shared with anyone. You can use terminal ID 0000000001 during development but will need to request for live credentials when planning to move to your live environment.

What happens if I don’t pass a CALLBACK_URL?​

We will output the response to the client in a plain form without html formats

What is the number of incorrect pin retry attempts?​

Number of attempts for a customer to retry pin entry can be customized. However, the default is 3.

Can my logo be any size?​

No. All merchant logo passed in the logo_url should be 60x60.

How do I get my SECRET_KEY?​

Your SECRET_KEY is issued along with your TERMINAL_ID. You can make this request through your account officer.