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From Approved to Spendable in Seconds: How Card Issuing Collapses the Lending Loop Into One System
Embedded finance

From Approved to Spendable in Seconds: How Card Issuing Collapses the Lending Loop Into One System

By Dmitri Bezsonov28 September 20265 min read
API Authentication: OAuth, API keys, and Security Best Practices
Embedded finance

API Authentication: OAuth, API keys, and Security Best Practices

By Dmitri Bezsonov23 September 20266 min read
Lending the Money Is the Easy Part. Controlling How It's Spent Is the Hard Part
Embedded finance

Lending the Money Is the Easy Part. Controlling How It’s Spent Is the Hard Part

By Wallester Blog23 September 20266 min read
REST API Design for Card Issuance: Endpoints, Methods, and Response Formats
Embedded finance

REST API Design for Card Issuance: Endpoints, Methods, and Response Formats

By Dmitri Bezsonov21 September 20267 min read
The Best Signal a Lender Can Have Is How the Money Gets Spent
Embedded finance

The Best Signal a Lender Can Have Is How the Money Gets Spent

By Dmitri Bezsonov18 September 20265 min read
ISO 8583 message
Embedded finance

ISO 8583 Message Format Guide: Structure, Data Elements, and Payment Transaction Flow

By Dmitri Bezsonov14 September 20267 min read
7 Things to Set Up Before You Hand an Employee a Company Card
Expense management

7 Things to Set Up Before You Hand an Employee a Company Card

By Denis Kaiukov07 September 20265 min read

More articles

Automating Expense Reconciliation: Wallester White-Label and Oracle NetSuite in Action
Use cases and success stories

Automating Expense Reconciliation: Wallester White-Label and Oracle NetSuite in Action

By Dmitri Bezsonov14 November 20258 min read
It’s Not You, It’s Your Bank: Signs You Should BreaK Up With Your Corporate Card Provider
Corporate cards

It’s Not You, It’s Your Bank: Signs You Should BreaK Up With Your Corporate Card Provider

By Denis Kaiukov14 November 20255 min read
From ERP to Fintech: How to Add Visa Card Issuing in Just a Few API Calls
Embedded financeUse cases and success stories

From ERP to Fintech: How to Add Visa Card Issuing in Just a Few API Calls

By Denis Kaiukov13 November 20254 min read
Why ERPs Are the Next Fintech Platforms: The Rise of Embedded Payments in B2B SaaS
Embedded finance

Why ERPs Are the Next Fintech Platforms: The Rise of Embedded Payments in B2B SaaS

By Denis Kaiukov10 November 20255 min read
The Complete Guide to Integrating Wallester White-Label with ERP Systems
Embedded financeFrom SME to enterprise

The Complete Guide to Integrating Wallester White-Label with ERP Systems

By Dmitri Bezsonov05 November 202511 min read
How to Start a Bank in the EU: Licensing, Regulation, and Alternatives
Embedded finance

How to Start a Bank in the EU: Licensing, Regulation, and Alternatives

By Denis Kaiukov30 October 20256 min read
Warning Signs Your Company’s Expense Policy Is a Mess (According to Slack)
Expense management

Warning Signs Your Company’s Expense Policy Is a Mess (According to Slack)

By Denis Kaiukov24 October 20254 min read
Expense Policy for Small Online Shops: Do You Really Need One?
Expense management

Expense Policy for Small Online Shops: Do You Really Need One?

By Dmitri Bezsonov20 October 202511 min read
Expense Accounts Explained
Expense management

Expense Accounts Explained

By Dmitri Bezsonov16 October 202513 min read
Role-Based Cards for Software and Tools
Corporate cards

Role-Based Cards for Software and Tools

By Dmitri Bezsonov10 October 20258 min read
How does a virtual card work?
Corporate cards

How does a virtual card work?

By Dmitri Bezsonov09 October 202516 min read
The Ultimate Guide to Managing SaaS and Subscription Spend
Expense management

The Ultimate Guide to Managing SaaS and Subscription Spend

By Dmitri Bezsonov26 September 20258 min read
Why use virtual cards instead of physical cards?
Corporate cards

Why use virtual cards instead of physical cards?

By Dmitri Bezsonov24 September 202513 min read
The Complete Guide to Managing Expenses for Online Retailers and Resellers
Expense managementOnline retail

The Complete Guide to Managing Expenses for Online Retailers and Resellers

By Dmitri Bezsonov18 September 202510 min read
How Delayed Expense Reporting Impacts Cash Flow in Transport Companies
Expense managementTransport and logistics

How Delayed Expense Reporting Impacts Cash Flow in Transport Companies

By Dmitri Bezsonov15 September 20259 min read
From User to Innovator: How Internal Adoption Fuels Successful Embedded Finance Solutions
Embedded finance

From User to Innovator: How Internal Adoption Fuels Successful Embedded Finance Solutions

By Justin Zehmke15 September 20257 min read
Expense Cards for Contract Employees — Complete Guide
Expense management

Expense Cards for Contract Employees — Complete Guide

By Dmitri Bezsonov11 September 202518 min read
What Your Employees’ Expense Habits Say About Your Company Culture
Expense management

What Your Employees’ Expense Habits Say About Your Company Culture

By Justin Zehmke10 September 20255 min read
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© 2026 Wallester AS All rights reserved.Wallester AS is a Payment Institution, authorized by the Finantsinspektsioon (Estonian Financial Supervision and Resolution Authority), and an official Visa Principal Member. Registration code: 11812882.