Cards · Transfers · White label · API

Payment infrastructurefor business.

Issue virtual and physical Visa & Mastercard cards, fund them with stablecoins, and run your own card program — all on one API.

Start building

Fast Integration

Modern API with clean documentation.

Global Cards

Premium BINs for top approval rates.

Turnkey Platform

Issuer & compliance included.

Built for your scale.

Whether you are a media buying team scaling campaigns or an enterprise building fintech products, our infrastructure adapts to you.

Transfers

Account to account transfers, instantly, without borders.

From · USDC
acct_9f3a2c
100 USDC
To · EUR
acct_b71e84

Affiliate

Cards for media buying teams across every GEO.

AK
MR
LV
DS
+8 buyers
USDEUR

White Label

Run a full card program under your own brand.

4Payments
4Payments
4Payments

Payroll

Issue salary cards to your whole team in bulk.

Aiyana Kessler•• 4821Active
Mateus Ribeiro•• 1190Active
Lena Vogt•• 6035Active

Corporate

Control employee spend and budgets in real time.

Ad spend$12,400
SaaS$3,820

Enterprise

Issue and manage cards on a clean REST API.

GET/cards/{id}
POST/cards/issue
DELETE/cards/{id}

Launch in days.

A straightforward integration process without legacy banking bureaucracy.

Day 1

Create an Account

Register on our platform and pass the quick verification process to get full access to the infrastructure.

Day 1

Generate API Keys

Access your dashboard to issue unique secret keys and configure webhooks for your environment.

Days 2-5

Implement & Connect

Use our comprehensive documentation to embed card issuing and processing logic into your software.

Day 6

Test Environment

Run sandbox transactions to verify that balances, limits, and callbacks operate exactly as expected.

Day 7

Go Live

Switch to production mode and start issuing real cards to your clients or media buying teams instantly.

White-label Solution

Your brand.
Our engine.

Launch your own card product without building from scratch. We provide a ready-made frontend application tailored to your brand identity.

Fully customizable UI/UX
Zero backend code required
Direct API syncing
Ready user dashboards
Crypto-to-Fiat Auto Conversion

Spend crypto
like cash.

Enable your users to spend stablecoins as everyday money. Funds are automatically converted to fiat at the exact moment of purchase.

Apple Pay & Google Pay

Add cards to mobile wallets instantly.

Zero manual conversion

No need to sell crypto on exchanges first.

Online & Offline

Pay for ads, software, or coffee at the store.

One platform. Infinite models.

Built to adapt to your specific business model.

Media Buying Teams

Scale your ad campaigns across any platform without restrictions. Issue premium trust BINs in bulk, manage team budgets centrally, and track expenses in real-time.

  • Premium trust BINs in bulk
  • Central team budgets
  • Real-time spend
01 / 04
Team budget
$0/ $50,000
Issue 3 cards
Buyer AK
US · •• 4821
$0
+$240 approved
Buyer MR
EU · •• 1190
$0
Buyer LV
UK · •• 6035
$0

Frequently Asked Questions

Everything you need to know about 4Payments infrastructure.

No, 4Payments.io is a B2B infrastructure service. We provide access to issuing banks and payment systems (Visa/Mastercard) via API and our platform, allowing you to build your own card program without becoming a bank yourself.

Start a conversation

Let's talk

Tell us about your product, markets, and expected volume. We'll come back with a clear setup and next steps.

  1. 1
    We review your request
    Someone from the team reads it and looks at your product, markets and volume.
  2. 2
    Intro call
    We walk through your use case and the card setup that fits it.
  3. 3
    Your launch plan
    You get pricing, onboarding steps and a timeline.
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Ready to launch your card program?

Join leading affiliate teams and fintech enterprises using 4Payments infrastructure to scale their business globally.