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TechnologiesShivarva Technologies
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Payment Gateway Integration

We add Stripe and Authorize.net to React, Next.js and Node.js apps. That covers one-time payments, saved cards, subscriptions and refunds, plus the webhook handling that keeps your orders in step with the payment provider. We have run both gateways together on a live US ordering site.

Good for: stores and apps built with React, Next.js or Node.js that need to take payments.

What’s included

Checkout & payment UI

Hosted or embedded card forms, 3-D Secure, Apple Pay and Google Pay where available, and clear error messages.

Webhooks & reconciliation

Webhooks that update orders, subscriptions and refunds, even if the customer closes the page before it finishes.

Subscriptions & billing

Plans, free trials, upgrades and a billing page where customers manage their own subscription.

Multiple gateways

Stripe and Authorize.net running together, or moving from one to the other without breaking live orders.

Deliverables & stack

StripeAuthorize.netNode.jsNext.jsWebhooks
  • Stripe integration
  • Authorize.net integration
  • Webhook handling
  • Subscriptions
  • Refunds & disputes flow
  • Test-mode handover

Related case studies

Questions about Payment Gateway Integration

How much does a Stripe integration cost?

Our fixed-price Stripe package starts at $250. That adds one-time payments to an existing React, Next.js or Node.js app and takes about three days. Subscriptions, saved cards or a second gateway are quoted separately once we know what you need.

Can you integrate Authorize.net as well as Stripe?

Yes. We have run both together on a live US ordering site, and we can add either one to an app you already have.

Is card data stored on our servers?

No. Card details go straight to Stripe or Authorize.net through their own secure fields, so card numbers never reach your server. This also keeps your PCI compliance work to a minimum.

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Talk to us about Payment Gateway Integration

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