HitPay API
Singapore-born payment gateway popular with SMEs: one API for PayNow QR, cards, GrabPay, ShopeePay and more, with no monthly fees. Simple payment-request model that is easier than Stripe for basic use cases.
How to authenticate
5 stops to a working call
- 1Sign up for a HitPay business account at hitpayapp.com.
- 2In the dashboard go to Settings > Payment Gateway > API Keys and generate keys.
- 3Use sandbox (api.sandbox.hit-pay.com) with sandbox keys for testing.
- 4Send the key as the X-BUSINESS-API-KEY header on every request.
- 5Configure a webhook URL to receive payment confirmations.
Example request
curl -X POST 'https://api.hit-pay.com/v1/payment-requests' -H 'X-BUSINESS-API-KEY: YOUR_KEY' -H 'Content-Type: application/x-www-form-urlencoded' -d 'amount=10.00¤cy=SGD&email=buyer@example.com'Example response
{"id":"9f2...","status":"pending","currency":"sgd","amount":"10.00","url":"https://hit-pay.com/payment-request/@..."}HitPay API: common questions
Is the HitPay API free?
The HitPay API is listed as paid. Check the official HitPay docs for current pricing.
Does the HitPay API need an API key?
Yes. It uses API key. Sign up for a HitPay business account at hitpayapp.com. In the dashboard go to Settings > Payment Gateway > API Keys and generate keys. Use sandbox (api.sandbox.hit-pay.com) with sandbox keys for testing. Send the key as the X-BUSINESS-API-KEY header on every request. Configure a webhook URL to receive payment confirmations.
What is the HitPay API endpoint?
The base URL is https://api.hit-pay.com/v1. A working example: curl -X POST 'https://api.hit-pay.com/v1/payment-requests' -H 'X-BUSINESS-API-KEY: YOUR_KEY' -H 'Content-Type: application/x-www-form-urlencoded' -d 'amount=10.00¤cy=SGD&email=buyer@example.com'
Notes for AI agents
The payment-request URL is a hosted checkout page; redirect the customer there. Webhook payloads are form-encoded and HMAC-signed with your salt, not JSON.
Machine-readable version: /api/apis/hitpay
On the same line
2C2P Payment Platform API
2C2P
Southeast Asia payments processor headquartered in Singapore, covering cards, QR payments and 250+ local payment methods across the region. Suited to merchants selling into multiple SEA markets.
Adyen
Adyen N.V.
Enterprise payments platform with a single Checkout API for cards and local payment methods. In Singapore it supports PayNow (SGD, SG only) with real-time payments, QR code integration, refunds, partial refunds and separate captures via the standard /payments endpoint with paymentMethod.type set to paynow.
Airwallex API
Airwallex
Global business accounts, multi-currency wallets, payouts, cards and payment acceptance with strong Singapore entity support. Common choice for SG companies paying overseas suppliers or holding multi-currency balances.
FOMO Pay
FOMO Pay Pte Ltd
Singapore MAS-licensed major payment institution providing a banking-grade API for accounts, balances, virtual accounts, beneficiaries, outgoing transfers and transaction data. Known in SG for QR payment acceptance (PayNow/SGQR) and digital-currency-to-fiat settlement rails for merchants.