Money & Budgeting
Open Banking Explained — UK Guide to Secure Data Sharing
What is open banking? How it works, which apps use it, the benefits for budgeting and switching, and whether it's safe for your money.
Open banking has changed how financial services work in the UK. Here’s what it means for you and how you can benefit.
What Is Open Banking?
Simple Definition
| Feature |
Details |
| What it does |
Lets you share bank data with authorised apps |
| How it works |
Secure API connections between banks and apps |
| Regulated by |
FCA (Financial Conduct Authority) |
| Launched |
UK, January 2018 |
How It Works
| Step |
What Happens |
| 1 |
You decide to use a service that uses open banking |
| 2 |
You’re redirected to your bank’s secure login |
| 3 |
You authorise the connection |
| 4 |
The app can access specified data (read-only usually) |
| 5 |
You can revoke access anytime |
Two Types of Open Banking Services
| Feature |
Details |
| What they do |
View your account data |
| Can they take money? |
No — read-only |
| Common uses |
Budgeting apps, see all accounts |
| Examples |
Emma, Money Dashboard, Snoop |
Payment Initiation Services (PIS)
| Feature |
Details |
| What they do |
Make payments on your behalf |
| Your permission |
Each payment requires authorisation |
| Common uses |
Paying bills, faster checkout |
| Examples |
Trustly, GoCardless, HMRC payments |
Banks That Support Open Banking
All UK Major Banks Participate
| Bank |
Open Banking Status |
| Barclays |
Full support |
| HSBC |
Full support |
| Lloyds |
Full support |
| NatWest |
Full support |
| Santander |
Full support |
| Monzo |
Full support |
| Starling |
Full support |
| Nationwide |
Full support |
| TSB |
Full support |
| Metro Bank |
Full support |
All major UK banks and building societies must provide open banking access.
Popular Apps Using Open Banking
Budgeting and Money Management
| App |
What It Does |
| Emma |
Tracks spending across accounts |
| Money Dashboard |
Budget tracking |
| Snoop |
Bill switching alerts |
| Plum |
AI savings and budgeting |
| Chip |
Automatic savings |
| Yolt |
All accounts in one place |
Comparison Services
| Service |
How It Uses Open Banking |
| Credit Karma |
Accurate credit offers |
| Experian |
Income verification |
| Comparison sites |
Accurate quotes |
Lenders
| Use Case |
How Open Banking Helps |
| Mortgage applications |
Verify income and spending |
| Loan applications |
Faster affordability checks |
| Rent checks |
Prove income to landlords |
Payments
| Service |
Use |
| HMRC |
Tax payments |
| GoCardless |
Direct payments |
| Various bills |
Direct account payment |
Benefits of Open Banking
For You as a Consumer
| Benefit |
How It Helps |
| See all accounts in one app |
Easier money management |
| Better budgeting |
Automatic categorisation |
| Faster loan decisions |
Income verification |
| Better deals |
Accurate comparison |
| Bill switching |
Find cheaper providers |
| No more bank logins |
One app, many accounts |
Practical Examples
| Scenario |
Without Open Banking |
With Open Banking |
| Checking all accounts |
Log into each bank |
One app shows all |
| Getting a loan quote |
Send bank statements |
Instant verification |
| Finding better deals |
Estimate your usage |
Exact data analysed |
| Mortgage application |
Provide 3 months statements |
Instant income check |
Is Open Banking Safe?
Security Features
| Protection |
Details |
| FCA regulation |
Only authorised providers |
| Encrypted connections |
Secure data transfer |
| No password sharing |
You log in via your bank |
| Read-only access |
Can’t take money (unless PIS) |
| Revocable |
Withdraw access anytime |
What Can’t Happen
| Risk |
Why It’s Protected |
| App stealing money |
Read-only access default |
| Password theft |
Your bank login, not app |
| Unauthorised access |
Your consent required |
| Data sold |
Regulated use only |
Legitimate Provider Checks
| Sign |
Legitimate Provider |
| FCA registration |
Check FCA register |
| Redirect to bank |
Real providers do this |
| Clear permissions |
Explains what data accessed |
| Revoke option |
Can withdraw access |
How to Use Open Banking
Connecting Your Accounts
| Step |
What to Do |
| 1 |
Download an app that uses open banking |
| 2 |
Select “Connect bank account” or similar |
| 3 |
Choose your bank from the list |
| 4 |
You’re redirected to your bank’s site |
| 5 |
Log in with your normal bank credentials |
| 6 |
Approve the connection |
| 7 |
Return to the app — accounts linked |
Managing Connections
| Action |
How |
| See connected apps |
In your bank’s app or online banking |
| Remove access |
Via bank app or the connected app |
| Check what’s shared |
Permissions shown when connecting |
Revoking Access
Most banks let you manage open banking permissions:
- Log into your bank app
- Find “Connected apps” or “Third party access”
- Select the app to manage
- Click “Remove access” or similar
Common Concerns
“Can They Steal My Money?”
| Answer |
Explanation |
| No (with AIS) |
Account Information Services = read-only |
| Only with permission (PIS) |
Payments need your explicit approval |
“Will They See My PIN/Password?”
| Answer |
Explanation |
| No |
You log in on your bank’s site |
| Apps |
Never see your credentials |
| Banks only |
Handle authentication |
“Can They Sell My Data?”
| Regulation |
Details |
| GDPR protected |
Your data, your rights |
| FCA rules |
Strict use limitations |
| Terms of service |
Must explain data use |
| Opt out |
Can remove access |
“What If the App Is Hacked?”
| Protection |
Details |
| No stored passwords |
Nothing to steal |
| Tokens revocable |
Access can be cut |
| Read-only data |
Can’t move money |
| Bank remains secure |
Your actual account unaffected |
Use Cases
Building a Budget
| Step |
Using Open Banking |
| Connect accounts |
All banks in one app |
| See all spending |
Automatic categorisation |
| Track subscriptions |
Identify recurring payments |
| Set budgets |
Based on real data |
Getting Better Rates
| Service |
How It Helps |
| Energy comparison |
Uses actual usage data |
| Insurance quotes |
Accurate mileage, spending |
| Loan comparison |
Real affordability data |
Mortgage Applications
| Traditional |
With Open Banking |
| 3+ months bank statements |
Instant verification |
| Manual income proof |
Automatic check |
| Weeks of processing |
Days of processing |
Tips for Using Open Banking
Best Practices
| Tip |
Why |
| Only use FCA-authorised apps |
Protection guarantee |
| Check permissions |
Know what you’re sharing |
| Review connected apps |
Regularly audit |
| Remove unused connections |
Limit exposure |
Red Flags
| Warning Sign |
Action |
| App asking for PIN |
Never share this |
| No FCA registration |
Don’t use |
| No redirect to bank |
Suspicious |
| Asking to type bank password in app |
Scam |
Future of Open Banking
Open Finance
| Development |
What It Means |
| Beyond bank accounts |
Sharing pension, ISA, mortgage data |
| More services |
Wider range of products |
| Better comparisons |
Across all finance products |
| Smart Money |
Help finding best products |
Smart Data Scheme
| Initiative |
Purpose |
| Government backed |
Extend to other sectors |
| Energy data |
Switch suppliers easily |
| Telecoms data |
Better phone/broadband deals |
Summary
| Aspect |
Key Point |
| What it is |
Secure bank data sharing |
| Is it safe? |
Yes — FCA regulated, read-only |
| Benefits |
Better budgeting, easier apps |
| How to use |
Connect through authorised apps |
| Control |
You decide who sees what |
| Can revoke |
Remove access anytime |
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