Discover MassPay Your Way

Start testing MassPay in three steps, with zero sales calls.

Register. Get your credentials. Build.

Get direct access to a full sandbox environment that mirrors production exactly.






How the MassPay Developer Sandbox Works

Create your own sandbox access and start integrating and experimenting with the MassPay API in three simple steps:

1. Create your sandbox account

2. Get Your Credentials Your API keys will be ready immediately, so you can start making calls within minutes.

3. Start Testing Run the full integration against a sandbox that behaves exactly like production.


The sandbox provides everything you need for technical due diligence and to validate MassPay’s feasibility on your own terms, all without speaking to our sales team.

What You Can Test

Use the sandbox to see how MassPay enables real-time, compliant cross-border payouts at scale, with payouts to 180 countries across bank transfers, digital wallets, push-to-card, mobile money, cash pickup, and crypto. 

Test:
- Account creation and management
- Wallet loads and direct payouts
- Webhook listeners for real-time payout status events
- Reconciliation logic against live-like transaction data

Easy Resource Access

Use these helpful resources to get started quickly and efficiently:
API Documentation → Full endpoint reference, parameters, and response schemas.

Integration Guide → Step-by-step from sandbox to production go-live.

SDKs → PHP, C#, Ruby, and JavaScript.

Platform Status → Real-time uptime monitoring.

From PoC to Going Live

Once you’ve finished your due diligence and are satisfied that MassPay is the best payout solution, it’s time to talk. 
Going live requires a signed agreement and Know Your Business (KYB) verification.
This is a standard regulatory requirement before you can process real payouts.

Our team is here to help guide you through it.  

Ready for a payout solution built just for you?

Stop settling for generic platforms. Let's build a custom payout solution that scales worldwide, evolves with your business, and puts your people first - wherever they are.