International Calling

Affordable international calling for products, sales teams, and support operations.

Global calls, local rates

Give your users or teams the ability to call internationally at local rates. Using their existing number or a new one. No surprise bills. No hidden tariffs.

For you as a partner

Add calling
Add international calling without building calling infrastructure
Usage
Increases product usage and retention
Savings
Your users stop losing money on every international call
Switching
Lower international calling costs give users a clear reason to switch banks
Branding
White-label or Firsty-branded, with numbers available in 18 countries

For your Users

Local rates
International calls at local rates
Caller ID
Use their existing caller ID when calling internationally
Dedicated number
Get a dedicated number in one of 18 supported countries
Clear costs
No hidden costs or per-minute surprises
Business calling
Works for personal and high-volume business calling

BUILT FOR EVERY USER MOMENT

Give users and teams international calling at local rates. Use an existing caller ID or a dedicated number, with no surprise bills and no hidden tariffs. Built for personal and high-volume business calling.

How it works

Add international calling to your product today.

Talk to our team
Set your direction
Define your calling use case and target countries.
Add to product
Choose your integration
Connect via API for full customization or via Web App with no technical work required.
Configure your plan
Configure caller IDs and numbers
Decide whether users call from their existing number or a new local number in any of 18 supported countries.
Go live
Launch your plan
Your users can now call internationally at local rates.

Proof points

International calling is available to 180+ countries, with numbers in 18 countries including the US, UK, Belgium, and Australia, so users and teams can call globally at local rates.

4.8
Out of 5 on Trustpilot
1.2 M +
Users on the Firsty platform
Trusted by Mastercard and Siemens, with 99% uptime for reliable international calling.
“Amsterdam-based telecom startup Firsty raises €5.1M Seed funding”
"Potential telcomarketdisruptor Firsty immediately brings in €1.1 Million"
"Belfius partners with Dutch eSIM disruptor Firsty for free global app access"
"Five million in growth capital for a Dutch eSIM provider"
“Why We Invested in Firsty: Democratizing Global Mobile Data with eSims”
"Nifty eSIM provider offers free mobile data for life wherever you are"
“Amsterdam-based telecom startup Firsty raises €5.1M Seed funding”
"Potential telcomarketdisruptor Firsty immediately brings in €1.1 Million"
"Belfius partners with Dutch eSIM disruptor Firsty for free global app access"
"Five million in growth capital for a Dutch eSIM provider"
“Why We Invested in Firsty: Democratizing Global Mobile Data with eSims”
"Nifty eSIM provider offers free mobile data for life wherever you are"

join the revolution

Want to offer affordable international calling? Talk to our team. Explore the docs at developers.firsty.app.

Questions about integrating international calling?

We know, it sounds too good to be true. But it’s real. Here’s how.