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Hello and welcome to the new Nium Docs!
Nium Developer Docs for previous version of payin-payout (Masspay) platform can be found here.

Leader in On-Demand Money Movement.

Getting Started
Learn key concepts and start building on the Sandbox environment.
API Reference
Go from idea to implementation quickly with bank-grade APIs to power your cross-border payment and collection needs.

Discover Products

Cards
Issue physical, virtual, and digital cards in 30+ markets worldwide.
Pay In
Receive funds in 35 countries via bank transfers, cards, and wallets.
Pay Out
Send money on-demand to 190+ countries - 100+ in real time.
Wallets
Store funds in virtual wallets in multiple currencies.
Customer Onboarding
Accelerate customer onboarding and streamline integration with eKYC and eKYB.

Explore Use Cases

Payroll
Platform of businesses which allows those businesses to send payroll runs to contractors or employees.
Travel
Optimize payments to online travel agencies, airlines and hotels.