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"authorization system"

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Illustration of a card payment approved for a partial amount

Merchant & POS

What Is Partial Authorization?

Partial Authorization lets an issuer approve part of a transaction instead of declining it when the balance or limit is insufficient. This post covers how it works in ISO 8583, whether it is mandatory, and why it matters for the business.

Illustration representing an AI agent making purchasing decisions

Agentic Commerce

Agentic Commerce Series – Part 3

Can AI Decide on Our Behalf? Letting an AI agent handle research can make life much easier. The real question is where that should stop, and how much decision-making authority we are ready to hand over.

Collection POS web-based payment management dashboard

Merchant & POS

What is a Collection POS?

A Collection POS is a secure, web-based payment platform through which businesses and institutions manage their collections and generate the reports they need. Many similar products exist on the market under different names.

ISO 8583 F90 original data elements field layout diagram

ISO 8583

ISO 8583 Field Descriptions (F90)

F90 - ORIGINAL DATA ELEMENTS: the data elements from an original message, designed to identify the transaction in correction or reversal transactions. Subfields: Original MTI, Original DE 11 (STAN), Original DE 7, Original DE 32, Original DE 33.

Diagram of symmetric key types used in payment systems

HSM & Security

Types of Symmetric Keys

In the world of payment systems, keys and their uses are important for transferring information from one place to another, storing information, and securing authorization and scripting steps. Key types are divided into six categories based on their purpose.

Diagram showing how an open authorization moves to a card statement after batch close and clearing

Credit Card

What Is an Open Authorization?

In credit card transactions made through a POS, receiving approval alone is not enough for the transaction to post to the card's statement period; settlement must also take place. The settlement period, known as the open-authorization waiting time, varies by transaction type.

Diagram illustrating the tokenization and detokenization process for card payments

HCE

What Are Tokenization and Detokenization?

Tokenization generates secure data from a credit card number, using specific algorithms, for use during authorization. In CNP transactions, it removes the risk of storing or compromising the original card number.

Open banking illustration representing payment services data sharing APIs between financial institutions and third-party providers

Payment Systems

Guide on Data Sharing Services in Payment Services Published

Open banking opens financial data, under the regulations and with the customer's explicit consent, to third-party service providers through standard APIs. The CBRT has published a guide on payment initiation and account information services, covering licensing and technical certification.