FAQ
General FAQ
Frequently asked questions about One2Pays.
What is it?
One2Pays is a payment gateway platform that enables businesses to accept payments through multiple payment providers (banks, PromptPay, e-wallets) using a unified API.
How do I get started?
See our Quickstart Guide for a 5-minute integration guide.
What payment methods are supported?
One2Pays currently supports:
- PromptPay - Instant payments via QR code (uses QR codes for payment)
- Bank Transfer - Direct bank transfers
What currencies are supported?
Currently, One2Pays only supports Thai Baht (THB).
How do I get API credentials?
- Log in to your Dashboard
- Navigate to Settings → Integrations
- Create a new integration or select an existing one
- Copy your API Key and API Secret
Is there a sandbox environment?
Yes! Use https://api.one2pays.com for testing. Sandbox credentials are available in your merchant dashboard.
What are the rate limits?
- API Requests: 1,000 requests per minute per integration
- Payment Creation: 100 payments per minute per integration
- Burst Allowance: Short-term bursts are allowed
How do I handle errors?
See our Error Handling guide for detailed information about error codes and handling.