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John Frandsen

Building open-banking.io — cert-free open banking API for SMBs and devs (€3/mo, no eIDAS certs). Developer working on fintech APIs, PSD2/open banking, and self-hosted tooling.

Location Aalborg, Denmark Joined Joined on  Personal website https://open-banking.io
Five Ways to Access European Bank Data in 2026 (And What Each Actually Costs)
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Five Ways to Access European Bank Data in 2026 (And What Each Actually Costs)

#openbanking #fintech #api #psd2
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4 min read

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Reading EU Bank Transactions With Python and PSD2 — Without Buying an eIDAS Certificate
johnfrandsen profile

Reading EU Bank Transactions With Python and PSD2 — Without Buying an eIDAS Certificate

#python #openbanking #api #fintech
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4 min read
Open Banking Without an eIDAS Certificate: A Practical Developer's Guide (2026)
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Open Banking Without an eIDAS Certificate: A Practical Developer's Guide (2026)

#openbanking #api #fintech #banking
Comments 1
7 min read
Why You Cant Just Call a Bank API: Open Banking Authentication Explained for Developers
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Why You Cant Just Call a Bank API: Open Banking Authentication Explained for Developers

#security
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4 min read
Nordigen Alternatives in 2026: A Developer's Guide to European Bank Data APIs
johnfrandsen profile

Nordigen Alternatives in 2026: A Developer's Guide to European Bank Data APIs

#api
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4 min read
How to Sync Bank Transactions with Open Banking APIs (2026 Guide)
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How to Sync Bank Transactions with Open Banking APIs (2026 Guide)

#openbanking #api #tutorial #javascript
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4 min read
Self-Hosted Bank Account Aggregation in 2026: After the Nordigen Free Tier Shutdown
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Self-Hosted Bank Account Aggregation in 2026: After the Nordigen Free Tier Shutdown

#opensource #selfhosting #tutorial #productivity
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7 min read
How to View All Your Bank Accounts in One Place (2026 Guide)
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How to View All Your Bank Accounts in One Place (2026 Guide)

#openbanking #finance #tutorial #productivity
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3 min read
The eIDAS Certificate Tax: Why EU Open Banking Still Runs Through Aggregators
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The eIDAS Certificate Tax: Why EU Open Banking Still Runs Through Aggregators

#openbankingfieuapisntech
BERJAYA 1
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4 min read
Open Banking for Small Businesses: A Practical 2026 Guide
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Open Banking for Small Businesses: A Practical 2026 Guide

#banking #fintech
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3 min read
Beyond TrueLayer: Choosing the Right Open Banking API for European Projects (2026)
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Beyond TrueLayer: Choosing the Right Open Banking API for European Projects (2026)

#openbanking #api #fintech #europe
Comments
5 min read
How to Give Your Accountant Read-Only Bank Access Without Sharing Passwords
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How to Give Your Accountant Read-Only Bank Access Without Sharing Passwords

#smallbusiness #openbanking #fintech #psd2
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5 min read
The Cheapest Open Banking APIs for Small Businesses and Indie Builders in 2026
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The Cheapest Open Banking APIs for Small Businesses and Indie Builders in 2026

#openbanking #fintech #psd2 #api
Comments 1
7 min read
Comparing European Open Banking API Providers in 2026: Plaid, TrueLayer, Tink & GoCardless
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Comparing European Open Banking API Providers in 2026: Plaid, TrueLayer, Tink & GoCardless

#openbanking #api #fintech #europe
BERJAYA 3
Comments 1
5 min read
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