Payment gateway integration

Connect your business to any payment gateway and start accepting secure card payments by phone, online, or through payment links — with full PCI DSS compliance built in.

What is payment gateway integration?

A payment gateway is the technology that sits between your business and the card networks (Visa, Mastercard, Amex). It securely captures card details, sends them to the acquiring bank for authorisation, and returns the result — approved or declined — in real time.

Payment gateway integration is the process of connecting that gateway to your business systems so you can accept card payments. Depending on how your business operates, that might mean integrating with a website, a CRM, a call-centre telephony platform, or an automated IVR system.

The way you integrate matters. It determines how much card data flows through your environment, which directly affects your PCI DSS compliance obligations, your security posture, and the overall customer experience.

Paytia simplifies this entire process. Rather than building a direct connection to the gateway yourself, you integrate once with Paytia. We handle the secure card capture layer, route transactions to your chosen gateway, and ensure every payment is processed within a PCI DSS Level 1 certified environment — regardless of which gateway you use.

Types of payment gateway integration

There are three common approaches to integrating a payment gateway, each with different trade-offs between control, complexity, and security.

Hosted payment page

The customer is redirected to a secure page hosted by the payment gateway to enter their card details. The gateway handles the entire payment form, removing sensitive data from your environment entirely.

Lowest PCI scopeNo card data touches your serversQuick to deploy

Best for: Businesses that want the simplest compliance path with minimal development effort.

Direct API integration

Your application communicates directly with the payment gateway via a RESTful API. Card data may pass through your infrastructure, giving you full control over the payment flow and customer experience.

Complete UX controlCustom payment workflowsReal-time transaction data

Best for: Organisations with development resource that need a fully branded, customised checkout experience.

Redirect / iFrame integration

A hybrid approach where the payment form is embedded inside your application via an iFrame or a short redirect. Card data is captured by the gateway but the customer stays within your site or system.

Balanced UX and securityReduced PCI scopeFaster than full API build

Best for: Businesses that want a branded experience without handling card data directly.

With Paytia, the integration type is handled for you. Our platform acts as the secure capture layer between your business and the gateway. Card data is captured within Paytia's PCI-certified environment and tokenised before it reaches your systems — giving you the security of a hosted page with the flexibility of a direct API.

How Paytia integrates with payment gateways

Paytia sits between your business and your payment gateway. We capture card data securely, tokenise it, and route the transaction to your gateway for authorisation — all within a PCI DSS Level 1 certified environment.

OnNet integration

Pre-built connections to Stripe, Lloyds Cardnet, NatWest, and RyftPay. These gateways are directly integrated into the Paytia platform, offering the widest feature set and fastest deployment.

  • Payment links
  • Recurring billing
  • E-commerce checkout
  • Customer lookup
  • Real-time confirmation

OffNet integration

Standard integration layer for any other gateway — Adyen, Worldpay, Cybersource, Barclaycard, Opayo, and more. Keep your existing gateway relationship and add Paytia's secure capture layer on top.

  • MOTO telephone payments
  • Tokenisation
  • Pre-authorisation
  • AVS / 3DS2
  • Refund processing

Supported payment gateways

Paytia is gateway agnostic. These are the gateways we integrate with today — and we add new ones regularly.

OnNet — pre-integrated

Stripe

Direct integration with real-time confirmation, recurring billing, and payment links.

Lloyds Cardnet

Pre-integrated for UK merchants with tokenisation, pre-auth, and 3DS2.

NatWest

Seamless connection for NatWest business banking customers.

RyftPay

Flexible payment facilitation and marketplace payment processing.

OffNet — standard integration

Adyen

Global processing across 150+ currencies with advanced risk management.

Worldpay

Card-present and card-not-present transactions for enterprise merchants.

Cybersource

Visa's enterprise platform with Decision Manager fraud detection.

Barclaycard

Full PCI-compliant processing through Barclaycard merchant services.

Opayo (Sage Pay)

Continue using Opayo with Paytia handling secure card capture.

PayPal / Braintree

Accept card payments through PayPal and Braintree ecosystems.

Trust Payments

Secure telephone payment processing with Trust Payments.

Global Payments

Multi-currency support across 30+ countries.

Elavon

Global payments provider with Paytia secure capture layer.

Verifone

Use your existing Verifone gateway for PCI-compliant phone payments.

Don't see your gateway listed? We can build a custom integration for any gateway with a RESTful or SOAP API.

The integration process

Getting started with payment gateway integration through Paytia is straightforward. Here is what your business needs to do.

1

Choose your gateway

Already have a payment gateway? Paytia integrates with it. If you need a new one, our OnNet partners — Stripe, Lloyds Cardnet, NatWest, and RyftPay — offer the fastest path to going live.

2

Connect to Paytia

For OnNet gateways, connection is pre-built — you simply provide your gateway credentials and Paytia handles the rest. For OffNet gateways, our team configures a standard integration connector for your account.

3

Configure payment channels

Decide how you want to accept payments: agent-assisted phone payments, automated IVR, payment links, recurring billing, or a combination. Paytia's platform supports all channels through a single integration.

4

Test and go live

Run test transactions in a sandbox environment, verify reporting and reconciliation, train your team, and switch to live processing. Most businesses are taking real payments within days, not months.

What you will need

A merchant account with your chosen gateway
Gateway API credentials (keys or tokens)
A Paytia business account
Decision on payment channels (phone, links, IVR)
Access to your telephony system (for phone payments)
A nominated technical contact (optional)

Security and compliance

Security is not an add-on — it is the foundation of every Paytia integration. Here is how we protect card data at every stage of the payment gateway integration process.

PCI DSS Level 1 certified

Paytia holds the highest level of PCI DSS certification. When you integrate through Paytia, card data never enters your environment — dramatically reducing your own PCI compliance scope and audit costs.

Tokenisation

Sensitive card numbers are replaced with non-reversible tokens the moment they are captured. These tokens can be used for recurring payments, refunds, and reporting without exposing the original card data.

DTMF suppression

During telephone payments, Paytia masks the DTMF tones generated when customers key in card numbers. Agents stay on the line but cannot hear or record the digits, eliminating the risk of data interception.

Channel separation

Card data is routed through a separate, secure channel that bypasses your telephony and IT infrastructure entirely. Your call recordings, CRM, and network never come into contact with payment information.

End-to-end encryption

All data transmitted between the customer, Paytia, and the payment gateway is encrypted using TLS 1.2+ throughout the entire transaction lifecycle.

Scope reduction

By removing card data from your environment, Paytia typically reduces a business's PCI compliance scope by up to 95%, lowering annual audit costs and eliminating the need for secure rooms or restricted networks.

Frequently asked questions

What is payment gateway integration?

Payment gateway integration is the process of connecting a payment gateway — the service that authorises and processes card transactions — to your business systems. This allows you to accept card payments through your website, phone lines, or applications. Paytia acts as a secure intermediary, connecting your telephony and business systems to your chosen gateway while keeping card data out of your environment.

How long does payment gateway integration take with Paytia?

For OnNet gateways (Stripe, Lloyds Cardnet, NatWest, RyftPay), integration is typically completed within 1-3 business days because the connection is pre-built. OffNet gateway integrations usually take 5-10 business days depending on the gateway's API and your specific requirements.

Do I need to change my existing payment gateway to use Paytia?

No. Paytia is gateway agnostic. If you already have a payment gateway, we integrate with it through our OffNet standard integration layer. You keep your existing merchant account, commercial terms, and gateway relationship. Paytia adds secure payment capture on top of what you already have.

What is the difference between OnNet and OffNet gateway integration?

OnNet gateways (Stripe, Lloyds Cardnet, NatWest, RyftPay) have a direct, pre-built connection to Paytia, offering the widest feature set including payment links, recurring billing, and e-commerce support. OffNet gateways are connected through Paytia's standard integration layer, supporting MOTO telephone payments, tokenisation, and pre-authorisation with your existing provider.

Does payment gateway integration affect my PCI compliance?

It improves it significantly. When you process payments through Paytia, card data never enters your systems. This reduces your PCI DSS compliance scope by up to 95%, lowers audit costs, and eliminates the need for secure rooms or restricted network segments. Paytia is PCI DSS Level 1 certified — the highest standard in the industry.

Can Paytia integrate with multiple payment gateways at once?

Yes. Some businesses use different gateways for different channels or regions. Paytia can connect to multiple gateways simultaneously, routing transactions to the appropriate provider based on your business rules.

What technical resources do I need for payment gateway integration?

For most Paytia integrations, you do not need any development resource. OnNet integrations are configured through the Paytia portal with your gateway API keys. OffNet integrations are handled by our integration team. If you have bespoke requirements, our team can build a custom connector tailored to your infrastructure.

Is tokenisation included in payment gateway integration?

Yes. Tokenisation is a core feature of every Paytia integration. When a customer provides card details, the number is immediately replaced with a secure, non-reversible token. This token can be used for subsequent payments, refunds, and reporting without exposing the original card number.

Ready to integrate your payment gateway?

Get started in minutes, not months. No hardware, no software installs, no changes to your phone system. Just secure, PCI-compliant payments.