Definition of key concepts

Concept	Description
Merchant	Any legal organization that wants to collect payments. A merchant usually has a website or an application from which they will accept payments.
Product	A product or service offered by the merchant to its users. It represents the reason why a payment is collected.
Payment Account	Merchant bank account where collected payments should be deposited.
Invoice	Invoice generated by a merchant to a user so that they can pay for products.
IremboPay portal	Web portal where merchants can manage resources (products, payment accounts, public key, secret key, callback url) required to use the API and do support functions like searching invoices, extending expiration dates of invoices and re-pushing payment notifications for paid invoices.