FIRST INTERSTATE BANK+Mastercard Open Banking (formerly Finicity)

FIRST INTERSTATE BANK + Mastercard Open Banking (formerly Finicity)

How to connect your FIRST INTERSTATE BANK account using Mastercard Open Banking (formerly Finicity)

FIRST INTERSTATE BANK with Mastercard Open Banking (formerly Finicity) is a consent-based bank link where Mastercard Open Banking (formerly Finicity) connects your FIRST INTERSTATE BANK account to an app after you approve what to share. You authenticate with FIRST INTERSTATE BANK, the app gets scoped tokens (not your password), and access stays tied to that consent. It is like a switchboard: many banks on one side, your app on the other, with a single familiar linking flow.

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FIRST INTERSTATE BANK is supported by Mastercard Open Banking (formerly Finicity)

You can connect your FIRST INTERSTATE BANK account to apps and services that use Mastercard Open Banking (formerly Finicity) for secure bank connections.

FIRST INTERSTATE BANK also works with:

How to Connect FIRST INTERSTATE BANK to Mastercard Open Banking (formerly Finicity)

Connecting your FIRST INTERSTATE BANK account through Mastercard Open Banking (formerly Finicity) is quick and secure. Here's how:

1
Open Your App
Open the app or service where you want to connect your FIRST INTERSTATE BANK account.
2
Find Link Bank Option
Look for "Link Bank Account", "Add Bank", or "Connect Account" in the app's settings.
3
Search for FIRST INTERSTATE BANK
In the Mastercard Open Banking (formerly Finicity) bank selection screen, search for "FIRST INTERSTATE BANK" and select it.
4
Enter Credentials
Enter your FIRST INTERSTATE BANK online banking username and password securely through Mastercard Open Banking (formerly Finicity)'s encrypted connection.
5
Complete Verification
Complete any additional verification steps FIRST INTERSTATE BANK may require, such as two-factor authentication.

FIRST INTERSTATE BANK Mastercard Open Banking (formerly Finicity) Not Working? Try These Fixes

Common Connection Issues

  • Incorrect credentials: Double-check your FIRST INTERSTATE BANK username and password
  • Multi-factor authentication: Have your phone ready for verification codes
  • Third-party access blocked: Check if FIRST INTERSTATE BANK has settings to allow third-party connections
  • Account type not supported: Business accounts may have limited support
  • Temporary outage: Try again in a few hours if systems are down
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Still Having Connection Issues?

Mastercard Open Banking (formerly Finicity) isn't the only option for connecting to FIRST INTERSTATE BANK. Compare 13 API aggregators to find one with better coverage, reliability, or features for your needs.

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Is Connecting FIRST INTERSTATE BANK to Mastercard Open Banking (formerly Finicity) Safe?

Yes, connecting FIRST INTERSTATE BANK to Mastercard Open Banking (formerly Finicity) is secure. Here's how your data is protected:

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Bank-Level Encryption
256-bit encryption protects your data
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No Credential Storage
Mastercard Open Banking (formerly Finicity) doesn't store your password
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SOC 2 Certified
Enterprise security compliance
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Read-Only Access
Apps can't move your money

FIRST INTERSTATE BANK Mastercard Open Banking (formerly Finicity) FAQ

Does FIRST INTERSTATE BANK work with Mastercard Open Banking (formerly Finicity)?

Yes, FIRST INTERSTATE BANK is supported by Mastercard Open Banking (formerly Finicity). You can connect your FIRST INTERSTATE BANK account to apps and services that use Mastercard Open Banking (formerly Finicity) for secure bank connections.

How do I connect FIRST INTERSTATE BANK to Mastercard Open Banking (formerly Finicity)?

To connect FIRST INTERSTATE BANK via Mastercard Open Banking (formerly Finicity): 1) Open the app you want to connect, 2) Look for "Link Bank Account" or similar, 3) Search for "FIRST INTERSTATE BANK", 4) Enter your FIRST INTERSTATE BANK login credentials securely, 5) Complete any verification steps required.

Is it safe to connect FIRST INTERSTATE BANK to Mastercard Open Banking (formerly Finicity)?

Yes, connecting FIRST INTERSTATE BANK to Mastercard Open Banking (formerly Finicity) is safe. Mastercard Open Banking (formerly Finicity) uses bank-level encryption (256-bit) and doesn't store your login credentials. Your data is protected by multiple security layers and you can revoke access at any time.

Why won't FIRST INTERSTATE BANK connect to Mastercard Open Banking (formerly Finicity)?

If FIRST INTERSTATE BANK won't connect, try: 1) Verify your credentials are correct, 2) Check if FIRST INTERSTATE BANK requires third-party access to be enabled, 3) Complete any multi-factor authentication, 4) Try disconnecting and reconnecting, 5) Contact FIRST INTERSTATE BANK support if issues persist.

What data does Mastercard Open Banking (formerly Finicity) access from FIRST INTERSTATE BANK?

Mastercard Open Banking (formerly Finicity) can access account balances, transaction history, and account holder information from FIRST INTERSTATE BANK with your consent. The specific data depends on the app's requirements. Mastercard Open Banking (formerly Finicity) provides read-only access and cannot move money or make changes to your account.

How do I disconnect FIRST INTERSTATE BANK from Mastercard Open Banking (formerly Finicity)?

To disconnect: 1) Open the app where you connected FIRST INTERSTATE BANK, 2) Go to Settings or Account settings, 3) Find the linked FIRST INTERSTATE BANK account, 4) Select "Disconnect" or "Unlink". You can also manage connections through Mastercard Open Banking (formerly Finicity)'s portal if available.

Other Banks on Mastercard Open Banking (formerly Finicity)

Related Resources

Last updated: January 2026. Bank connectivity status may change.

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