Developer Help Center

Everything you need to integrate GrowthBnk end-to-end — designed so you can ship and troubleshoot without contacting support.

Guides

What GrowthBnk is, orchestration, gateways, environments and onboarding.

The end-to-end payment lifecycle, with a flow diagram.

API key, salt, hash generation and signature verification.

Install and configure the Python, PHP and Node.js SDKs.

191 answers across 15 categories.

The top 50 integration mistakes and how to fix them.

Symptoms, root causes and fixes for common issues.

Every HTTP status, message, reason and resolution.

Everything to verify while building.

A printable pre-launch checklist.

Test with UAT gateways, then go live.

When and how to contact us — and what to include.