API Blog

How to verify a credit card with Free API

How to verify a credit card with Free API

A credit card contains cardholder’s name, expiry date, card number and the card verification value(CVV). Have you ever wondered what a lengthy credit number means? Credit card numbers might look random to you. Yet, there are in fact some hidden meanings behind each group of numbers. In most credit card verification APIs, there are four components that will be verified during the verification.

What is UUID and How to generate an UUID with Free API

A universally unique identifier (UUID) is a 128-bit label generated using certain standard methods. It is represented as 32 hexadecimal (base-16) digits. The 32 digits are divided into five groups separated by hyphens, in the form 8-4-4-4-12. For example: `bad51500-395a-11ed-90e4-a99c4dfc9ff8`. Its purpose is to act as an ID to distinguish users, data, or any information. Due to its large enough bits and the standard generation methods, the probability of a UUID being duplicated is close enough to 0. Therefore UUID can be regarded as unique. With this uniqueness, information with duplicated values can be stored in a single database or namespace without worrying to be misidentified.

Use ISO4217 Currency Code API for your next fintech application

Use ISO4217 Currency Code API for your next fintech application

ISO4217 Currency Code is an internationally recognised system established by International Organisation for Standardisation to give currencies a unique three-character code known as the ISO3 Country Code or “SWIFT” currency codes. The system aims to simplify matters and eliminate errors for currency trading and international trade.

How to convert Simplified and Traditional Chinese characters with Free API?

How to convert Simplified and Traditional Chinese characters with Free API?

Traditional Chinese is one of the oldest written languages, dating back centuries. This written language system commonly remains in use in Hong Kong, Taiwan, and Macau, as well as most of the overseas Chinese communities outside Southeast Asia; Simplified Chinese was introduced in 1956 in an effort to promote literacy by reducing the number of strokes in the characters.

How to generate random pictures with Free API?

How to generate random pictures with Free API?

Random pictures are images with the nature that is unrelated to the subject’s knowledge about or consent to the fact that photographs are being taken, and are unrelated to the subject’s permission for further usage and distribution.

Generating credit card numbers for testing with Free API?

Generating test credit card number with Free API

A test credit card number is the card number of a testing live credit account provided by a credit card company for testing purpose. The numbers are only valid on a particular test platform or brand and will not result in any real transaction or transfer of funds.

How to create a Barcode Generator with Free API

How to create a Barcode Generator with Free API

A Barcode is 2-dimensional. The meanings of each character in the code are listed in a database. Each character in the code stands for a different aspect of the product. They are read by a barcode reader, from left to right. The reader makes use of a laser beam that can detect variations and reflections from line and space thickness. The reader translates the reflected light into digital data which is then transferred to a computer for instant storage or action.

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