Sandbox — Test, Build & Integrate with Confidence
Experiment with real payment flows in a secure testing environment built for developers.
Build. Test. Launch Smarter.
The Blackstone Merchant Sandbox gives developers a powerful testing ground that mirrors live payment environments—without processing real funds. Perfect for simulating card payments, refunds, recurring billing, and API calls before production.
Integrate Your Client’s App with Blackstone Payment Gateway
Follow this step-by-step article to integrate your client’s web or mobile app with Blackstone’s PCI-compliant bPayd Gateway—SDK install, API keys, webhooks, testing, and go-live.
Popular Topics
What is the Blackstone Merchant Sandbox?
It’s a semi-live test environment for developers to simulate transactions and API calls before deploying in production.
Is it connected to my live merchant account?
No, sandbox credentials are separate. They mimic live behavior without charging real funds.
Can I test recurring or subscription billing?
Yes, the sandbox supports full recurring billing and tokenized transactions.
How do I get access?
Sign up through your Blackstone Developer Dashboard and request sandbox credentials instantly.
Does it simulate card approvals and declines?
Yes—developers can test multiple response codes and transaction scenarios for quality assurance.
Can I integrate mobile or POS systems?
Absolutely. The sandbox works with mobile apps, web checkouts, and POS integrations.
Are webhooks supported?
Yes. You can test webhook delivery and response verification for your integrations.
When should I move to production?
Once your sandbox tests pass successfully, you can easily switch to live mode using your production keys.
