Unified Payment Infrastructure

Payment Infrastructure for Modern Businesses

Collect payments, automate vendor settlements, manage invoices, and scale your business with one unified platform. Built for Indian businesses, marketplaces, SaaS platforms, agencies, and service providers.

vastpay_api_v1.prod
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Instant Settlement
₹1,24,500.00
Success Rate: 99.9%
verified_userRazorpay Integration
securitySecure Payments
receipt_longGST Ready
codeAPI First
Our Core Engine

Powerful products, one unified API.

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Payments Aggregation

Accept payments via Cards, UPI, Netbanking, and Wallets with a single integration.

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Vendor Settlements

Automate marketplace payouts and split commissions instantly with high precision.

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Invoicing & Billing

Professional GST-compliant invoices and subscription management for modern SaaS.

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Multi-Tenant API

Built for platforms. Manage multiple merchant accounts with complete control.

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The Journey of a Transaction

See how VastPay moves funds through our infrastructure with complete transparency and automation.

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Customer Pays

Seamless checkout via UPI, Cards, or Netbanking.

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VastPay Captures

Instant validation and anti-fraud processing.

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Fee Split Engine

Automated commissions for you and your vendors.

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Settlement

T+1 funds disbursement to all bank accounts.

For Engineers

Built for Developers

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Live & Test Modes

Switch environments with a single header change.

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Webhooks & Callbacks

Real-time event notifications for all transaction states.

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SDKs for Every Stack

Native support for Node.js, Python, Go, and PHP.

terminalPOST /v1/payments/orders
  curl -X POST https://api.vastpay.com/v1/orders \
  -H "Authorization: Bearer vp_live_..." \
  -d '{
    "amount": 499900,
    "currency": "INR",
    "receipt": "receipt#1",
    "notes": {
      "key1": "value3",
      "key2": "value2"
    },
    "transfers": [
      {
        "account": "acc_789xyz",
        "amount": 400000,
        "currency": "INR",
        "notes": {
          "branch": "Mumbai Central"
        }
      }
    ]
  }'
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Tailored for your business model.

Whether you're a burgeoning SaaS startup or a multi-thousand vendor marketplace, our infrastructure adapts to your specific flow.

SaaS Platforms

Automate recurring billing, usage-based invoicing, and tax calculations globally.

Marketplaces

Handle complex splits, vendor onboarding, and regulatory compliance without sweat.

Agencies

Client-specific billing portals and multi-tenant management for your portfolio.

Service Providers

Instant payment links and automated reminders to keep your cash flow positive.

Ready to transform your payment flow?

Launch VastPay NowSchedule a Demo

No setup fee. GST-ready. Instant activation.