PSD2: The Wild Ride of Open Banking
- Arany Mák

- Apr 28
- 10 min read
Updated: 1 day ago
Hey there, fintech enthusiasts and payment pioneers!
Today, we're diving into the mesmerizing world of PSD2, also known as Directive (EU) 2015/2366, the second installment of the Payment Service Directive. But hold on tight, because this is not your average history lesson. We're going to spice it up with some fun and unravel the mysteries behind those intriguing acronyms!
Once Upon a Time in PSD Land
A long time ago, in a pre-digital era, there was PSD1, setting the stage for a Single Euro Payments Area (SEPA). Its mission was to unite Europe and make payments more secure, like a superhero squad of financial integration. But as technology galloped forward, it left PSD1 in the dust, yearning for an upgrade to tackle the wild west of online payments.
Why PSD2 Was Born
Enter PSD2, the knight in shining armor for the digital age! It was created to regulate the new players and services that popped up in the fast-paced world of online payments. Think of it as a European superhero team, aiming to create a safer, more integrated EU single market and to foster innovation and competition.

The Marvelous Acronyms of PSD2
In the world of PSD2, acronyms are the spice of life! We've got XS2A, SCA, TPP, PSU, ASPSP, AISP, PISP – it's like a secret code only the fintech wizards can crack!
PSD2 Takes the Stage
After years of drafts, studies, and formalities, PSD2 was finally enacted in 2018, bringing a fresh breeze of open banking to the EU. Its implementation spread like wildfire across the EU countries, and it's still under close watch, making sure it stays on its toes.

PSD2: The Euro Vibe
PSD2 dances its way into every corner of the EU, where the card issuer and the bank are within the European Economic Area (EEA). But don't be fooled; many EU financial organizations love to party with the rules, even if they're outside the EEA. It's like a party so cool that everyone wants to join in, no matter where they're from!

PSD2: Beyond the EU
Like a superstar, PSD2's fame has reached far beyond the EU's borders. Those outside the EU wishing to do business within its realm must also play by the PSD2 rules. It's like the ripple effect of coolness in the electronic payments industry, shaking things up worldwide!
PSD2 Pros and Cons – A Tale of Two Worlds
As with any hero's journey, PSD2 comes with its own set of pros and cons. It empowers newcomers and levels the playing field for fintech warriors, but it might experience a slow adoption due to data privacy concerns. And with banks competing against multiple companies, they've got their work cut out for them. But hey, it's a wild ride!
The Connection Between PSD2 & SEPA
Here's where it gets exciting! PSD2 and SEPA join forces to create a harmonious Euro melody. They're like the dynamic duo, providing the legal foundation and secure payments, making the EU financial landscape smoother than ever.
Meet Open Banking – The Party Crasher
Open Banking strolls in like a cool kid, thanks to PSD2's EU legislation. It's all about sharing financial data through APIs, giving customers the power to control their payments and banking services like a boss!

Unraveling the Hilarious World of PISPs, AISPs, and More: A Tale of Payments and Shenanigans!
PISP - The Mischievous Payment Initiator!
Picture this: a sneaky Payment Initiation Service Provider (PISP) that can slide into your bank account like a mischievous pixie! Armed with nothing but your consent, they can zap your funds off to e-merchants and beneficiaries faster than you can say "Hey, where's my money going?!"
But wait, there's more! PISPs don't need a prior commercial agreement with the bank to work their magic. It's like having a secret code to tap into your bank account without the usual "May I?" and "Pretty please?" dance. Talk about the power of convenience in the palm of your hand!

AISP - The Sherlock of Your Financial Secrets!
Now, let's meet the Account Information Service Provider (AISP), the sleuth of the financial world! AISPs can access your account information without needing a formal invitation from your bank. Imagine them sifting through your financial data like Sherlock Holmes analyzing clues at a crime scene!
They do a grand consolidating act, gathering all your account balances and transaction data from various banks, creating a comprehensive financial portrait of you. It's like having your financial life exposed to the world – but fear not! They can actually help you manage your money better, offering insights into your spending and revenue patterns. It's like having a personal finance guru by your side!

SCA - The Triple Identity Crisis!
And now, let's talk about the true superstar of the show - Strong Customer Authentication (SCA)! SCA is like the ultimate gatekeeper, making sure no money thief gets through. It's like having a bouncer at the entrance of your favorite club, but instead of checking IDs, they're after three elements of identity: possession, knowledge, and inherence!

So, picture this: every time you make a payment, you've got to prove you're the real deal with at least two out of three of these elements. It's like a game of "Who Am I?" at the checkout! You'll have to whip out your cell phone, remember your PIN, or even flash your best fingerprint impression. It's a riot!


Exemptions - The "Oops, My Bad!" Passes
Of course, there are exceptions to the rule, because we can't be serious all the time, right? If the payment amount is below a specific threshold, you can sneak through without SCA. It's like getting a free pass on a rollercoaster ride - whee!
And if you've already identified the beneficiary as a trusted pal, you can simply nod and skip the authentication dance. It's like a secret handshake for your money!
Even at unattended payment terminals, like those for transport fares and parking fees, you can casually breeze through without the whole authentication rigmarole. It's like having a VIP card for smooth travel!
Who's to Blame for Money Mischief?
Now, let's talk about the peeps responsible for SCA application - the PSPs! If they goof up and don't put SCA in place, and you end up with an unauthorized payment, fear not! You can channel your inner superhero and claim full reimbursement from your PSP. They'll be footing the bill for their slip-up. Talk about getting justice in a financial world full of capers!
What's in Store for Banks - MFA and Infrastructural Shenanigans!
PSD2 has sent banks on a wild mission to beef up their security measures with MFA (Multi-Factor Authentication). It's like the banking world suddenly decided to play Secret Agent, with passwords, fingerprints, and whatnot all at the same time! The riskier the transaction, the fancier the authentication - it's like a hi-tech dance party!
But that's not all! Banks have been told to share account information and aggregate data with TPPs (Third-Party Providers). It's like they're trying to make friends in the financial playground, but they also need to build super secure treehouses to protect all that data. Talk about multitasking!
And let's not forget the hilarious dispute resolution procedures they've got to introduce. It's like they're learning to navigate a minefield while juggling flaming bowling balls! But hey, it's all in the name of compliance, right?
PSPs - The SCA Superstars and 3D Secure 2.0 Party Animals!
Meanwhile, Payment Service Providers (PSPs) are getting their own dose of PSD2 fun! The directive says they need to enforce SCA every time someone does anything remotely related to a payment. It's like they're the gatekeepers of a super secure money fort, and they've got to make sure nobody gets through without the secret handshake!
Oh, and there's a party in town called 3D Secure 2.0! It's like SCA's glamorous cousin who knows how to strut its stuff during digital transactions. They're all about giving credit and debit cards a makeover, making them look fabulous while keeping fraudsters at bay. You go, 3D Secure 2.0, slay those cyber villains!
Commercial Agents - The Middlemen in a Comedy of Contracts!
Now, let's talk about commercial agents - the marketplaces and platforms caught in a tangled web of contracts! It's like they're playing matchmakers, introducing sellers and buyers, but they often end up being the third wheel at the payment party!
Imagine this: Buyers owing money to Sellers, but the Platforms step in to play mediator and handle the cash flow. It's like they've taken up the role of financial therapists, helping everyone find common ground in the chaotic world of payments!

Businesses, Brace Yourselves - The MFA Extravaganza is Coming!
For businesses, it's time to get serious about MFA. PSD2 is all about making sure you've got this security measure implemented everywhere. It's like a game of "Where's Waldo?" with MFA popping up in all your apps, services, and platforms. You can't escape its watchful eye!
And if you're operating in the EU or catering to European customers, get ready for some PSD2 audits! It's like having a surprise inspection from the financial police, so make sure everything is up to snuff!
Dynamic Linking - The Authentication Code Telenovela!
Ah, dynamic linking - the dramatic telenovela of authentication codes! Each transaction gets its own unique code, like having a new secret password for every adventure! Any change to the amount or recipient invalidates the code, making it a rollercoaster of drama and suspense!
3D Secure 2.0 - Where Payments Get Glam!
Picture this: Payments swaying down the checkout flow like supermodels on a runway, thanks to 3D Secure 2.0! It's the ultimate fashion show of secure payments, strutting their stuff in eCommerce and digital spaces. Glamour and safety - what a combo!

PSD2 Compliance: A Checklist for the Bold and Brave!
Step 1: Open API Adventures - The TPP Party!
Ah, open APIs - the secret doors to sharing the treasure trove of customer information with those daring Third-Party Providers (TPPs)! It's like giving them a backstage pass to the grand concert of financial data! But remember, dear banks, only grant access when the customers give a thumbs-up, or else it's like inviting uninvited party crashers!
Step 2: Multi-Factor Security - The Hilarious Password Party!
It's time for the ultimate security showdown - multi-factor authentication! Picture this: users trying to get into their accounts, juggling PINs, fingerprints, and text message verifications like circus performers! It's like a game show of "Who Wants to Authenticate Like a Millionaire?!"
Step 3: Transparency and Complaint Resolution - The Customer Fairness Fiesta!
Let's make those terms and conditions customer-friendly, folks! It's like translating complicated legalese into a language that even talking parrots can understand. And when it comes to complaints, imagine a team of well-trained squirrels, swiftly resolving incidents like it's a nut-gathering contest!
Step 4: Surcharge Bans - The No-Fun Fee Farewell!
Say goodbye to those sneaky surcharges, merchants! It's like banning rain at a water park - no more extra fees for e-ticketing, food and travel, or deliveries! It's a celebration of fee-free fun!
Step 5: Comply, Compete, and Monetize - The Fintech Fandango!
Time for the financial institutions to take center stage! Get ready to comply with all the regulations, folks - the Fintech Fandango is here! Embrace APIs, strengthen security, and offer premium services like you're hosting a money magic show!
The PSD2-Compliance Checklist - The Hilarious To-Do List!
Banks, listen up! Get your Consumer Identity and Access Management solutions in order - it's like throwing a giant identity party, but only the right guests get in! And don't forget the strong customer authentication, the continuous authentication, and all the real-time access you can muster!
And TPPs, it's your turn to shine! Grab those PISP and AISP licenses and get ready for some identity-proofing fun! Your secure applications need user consent and fine-grained access control - it's like throwing a top-secret party, but only the invited guests get access to the fun!
Consequences of Not Complying - The Comedy of Lost Business!
Oh no, the horror! Failure to comply with PSD2 means becoming the outcast of the financial party! It's like being stuck in a corner with no one to dance with, while all the other PSD2-compliant PSPs are having a blast on the dance floor! Don't let this be you - join the compliance party and keep the business flowing!
The Final Act - How Will PSD2 Impact Business Owners?
For business owners, it's time to put on your thinking caps! PSD2 may be a wild ride, but it's not all doom and gloom. It's like a comedy show with potential plot twists and turns! Explore the impact and embrace the change, my entrepreneurial friends!
The Cast of Characters
Before we wrap up our saga, let's introduce the cast one more time:
TPP - Third-Party Providers: The quirky bunch with three roles - PISP, AISP, and PIISP. They're like financial wizards with wands in their hands, making transactions, collecting data, and issuing things you can pay with.
API - Application Programming Interface: Think of it as the magical portal where providers securely communicate with your bank. It's like the secret door to your treasure vault!
NPR - National Public Register: The local central database that keeps tabs on financial shenanigans in each EU country. It's like the gossip central of the financial world!
EBA - European Banking Authority: The grand database that collects all NPR gossip and shares it back with all member countries' NPRs. It's like the biggest gossip magazine in the financial universe!
ASPSP - Account Servicing Payment Service Provider: This is your bank, the ultimate money handler. They keep your funds safe, like the protective parents of your wealth!
PSU - Payment Service User: That's YOU - the cool customer with an account at the ASPSP. You're the star of the financial show!
So, What's Next? PSD3?
As for the future, will we see a PSD3? Who knows! PSD2 is still the star of the show, and the payments industry is getting comfy with the wild world of open banking. For now, let's enjoy the ride and see what thrilling adventures the fintech universe has in store for us!
PSD2, the epic saga of open banking, has taken the EU financial landscape on a rollercoaster ride. With superheroes like XS2A, SCA, and TPP in tow, it's bringing innovation and customer empowerment to the forefront. So buckle up, folks, because the world of PSD2 is anything but ordinary – it's a fintech fairy tale waiting to unfold! Until next time, keep rocking the payments world, and may the fintech force be with you!



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