UPI · INDIA · ENTERPRISE GRADE

Payment infrastructure.Built sharp. Shipped fast.

A self-hosted UPI payment gateway with three-wallet architecture — Collection, Payout, and Hold — admin approvals, API integration kit, and TOTP 2FA out of the box.

LIVE · METRIC
₹ 2.4Cr
processed this quarter*
TPS
1.2k
UPTIME
99.99%
P95
280ms
INSTANT PAYINS IMPS / NEFT / RTGS 3 WALLETS API + PANEL WEBHOOKS w/ UTR TOTP 2FA IP WHITELIST ADMIN APPROVED INSTANT PAYINS IMPS / NEFT / RTGS 3 WALLETS API + PANEL WEBHOOKS w/ UTR TOTP 2FA IP WHITELIST ADMIN APPROVED
WALLET ARCHITECTURE

Three wallets.
One system of record.

Separate the flow of inbound settlements, outbound disbursals, and held funds for disputes — with full admin visibility and manual-or-auto transfer controls.

Collection

All inbound UPI funds land here instantly via webhook with UTR.

Payout

Dispatch funds via IMPS / NEFT / RTGS — manual or auto-settled.

Hold

Reserve / chargeback / dispute amounts — admin controlled.

FEATURE STACK

Everything a finance ops team ships with.

ADMIN CONSOLE

Fine-grained operational control

  • Create users (no self-signup)
  • Add / reverse fund per wallet
  • Move to Hold on demand
  • Manual Collection → Payout
  • Instant block / unblock
  • Approve IP whitelist requests

TOTP 2FA + IP Whitelist

Google Authenticator for every user & admin. IP whitelist requests require explicit admin approval.

Real-time webhooks

Both payin and payout callbacks ship with UTR, gateway txn id and amount.

Integration Kit

Drop-in REST API: generate QR, check status, initiate payout. cURL / Node / PHP / Python samples.

infra
INFRASTRUCTURE

Engineered for throughput

DEVELOPERS

Plug it into your stack in 5 minutes.

Authenticate with secretkey + saltkey. A clean REST surface for fast UPI integration into your stack.

  • POST /api/v1/payin/qr
  • POST /api/v1/payin/status
  • POST /api/v1/payout/initiate
  • POST /api/v1/payout/status
  • POST /api/v1/balance
POST https://multi-wallet-pay.emergent.host/api/v1/payin/qr
cURL
curl -X POST \
  https://your-gateway.example.com/api/v1/payin/qr \
  -H "Content-Type: application/json" \
  -H "secretkey: SK_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" \
  -H "saltkey: ST_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" \
  -d '{"amount": 499}'

# Response
{
  "ok": true,
  "txn_id": "PI1a2b3c4d5e6f",
  "qr_url": "https://upi-checkout.example.com/...",
  "checkout_url": "https://upifastpe.example.com/order/..."
}

Admin-only onboarding

Users cannot self-register. Every merchant is created, vetted and provisioned by our internal admin team — with API credentials, callback URLs and IP whitelist under manual control.

Request Onboarding

Already a merchant?

Head to your user panel to generate UPI QR codes, initiate payouts, pull transaction history and grab your integration kit.

Go to Dashboard
UPIFastPe Gateway
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