Payment Gateways
With Traceable Processing.
We develop merchant payment flows around token handling, authorization states, clearing exchanges, and operational reconciliation.
Explore Payment EngineeringPayment Processing
Flow
Connect checkout requests to gateway and processor responses while keeping transaction state and operational exceptions understandable.
Payment Data
Handle payment references without spreading sensitive card details through the application.
Authorization Flow
Track pending, approved, declined, reversed, and exceptional outcomes clearly.
Settlement Review
Align merchant, processor, and clearing records for operational follow-up.
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Payment Gateways
With Traceable Outcomes
Connect merchant payment requests, token references and provider responses through clear processing states and settlement follow-up.
Define the Payment Exchange
Specify merchant identifiers, payment references and the information exchanged with each processing provider.
Handle Provider States
Connect authorization, unsuccessful responses and repeated notifications to the correct payment without losing processing history.
Review Settlement Records
Match provider and merchant records with the transaction references needed to investigate outstanding settlement differences.
Request
States
Matching
Workflow
Connect payment references to provider and settlement states.
Merchant
Connect payments to merchant records.
Tokens
Use provider-defined token references.
Provider
Track authorization and payment responses.
Events
Match notifications and retries to payments.
Settlement
Reconcile payments with settlement records.
Trace Payment Gateway Work from merchant request to settlement
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Connect payment references to the merchant request.
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Define provider responses and notification handling.
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Match processing outcomes with settlement records.
Payment Inputs
- ✘
Avoid provider events without a matching payment reference.
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Avoid token handling with undefined interface responsibilities.
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Confirm merchant identifiers and supported provider states.
Provider Scope
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Agree on payment actions and provider integrations.
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Exclude payment actions not supported by the provider interface.
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Exclude settlement behavior outside the provider contract.
Settlement Checks
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Review retries, notifications and outstanding settlement items.
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Do not treat every repeated event as a new payment.
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Do not equate an authorization response with final settlement.
Performance Metrics You
Cannot Ignore
Our data-driven approach ensures your digital infrastructure is optimized for maximum speed, high conversion, and long-term search engine dominance. By replacing guesswork with concrete, evidence-based insights, we transform your digital presence into a measurable, high-performance asset.
53%
of mobile users abandon a site if it takes longer than 3 seconds to load.
7%
Drop in conversion rates for every 100-millisecond delay in load time.
100%
Performance score on Lighthouse correlates with higher SEO rankings.
400%
Return on Investment (ROI) for every dollar spent on UX engineering.
Architecture & Performance
State Manager
Testing isolated logic for project1 within a secure sandbox environment.
Search Algorithm
Testing isolated logic for project2 within a secure sandbox environment.
DOM Kanban
Testing isolated logic for project3 within a secure sandbox environment.
Async Data
Testing isolated logic for project4 within a secure sandbox environment.
CSS Variables
Testing isolated logic for project5 within a secure sandbox environment.
Form Validator
Testing isolated logic for project6 within a secure sandbox environment.
Architecting the Future of
Front End Engineering
Building robust, scalable, and highly interactive user interfaces utilizing modern web technologies and best practices.
Component-Driven UI

We build modular, scalable component libraries that ensure design consistency and accelerate development cycles across apps.
Performance Optimization

Focusing on Core Web Vitals, we utilize advanced caching strategies and code-splitting to deliver lightning-fast experiences.
Responsive Interactivity

Creating immersive interfaces that adapt seamlessly to any viewport. We blend fluid animations with intuitive layouts.
Advanced State Management

Managing complex data flows with precision using modern tools like Redux Toolkit and Zustand for predictable app behavior.
API Integration & GraphQL

Seamlessly connecting front-ends to microservices with efficient data fetching strategies using Apollo GraphQL and React Query.
Design Systems

Bridging the gap between design and code with living style guides and Storybook integration for pixel-perfect implementation.
Looking for plans and pricing?
Get a preview of our enterprise PPC services
Growing PPC’s performance starts with a plan customized to your business, industry, and audience. So, we build a customized enterprise PPC service plan for your organization, providing you with a roadmap for how we’ll achieve your goals for paid search, from greater brand awareness to bigger market share.
Custom PPC Plans
Starting at
$650 / month
How we determine pricing
Your Ad Spend
Your advertising budget will not only determine your monthly management costs, it will also help determine which advertising channels we’d recommend investing in to maximize your marketing budget.
Networks and Targeting
Your custom strategy will depend on where you are looking to advertise- Google, Bing, Programmatic, etc. Your WebFX strategist can recommend PPC channels for you based on your business goals!
Creative Needs
If you have an in-house designer, you may not need WebFX’s support with the creation of branded ad creative. However, many of our clients trust WebFX’s design team to create professional, branded display ads for any campaign type.
Included for All PPC Plans:
- In-depth keyword research and advanced selection
- Competitor and industry analysis
- Data-backed keyword development
- Ongoing ad strategy management and optimization
- Access to our in-house revenue acceleration software RevenueCloudFX
Engineering Insights
Explore our most frequently asked questions to understand our approach to front-end architecture, performance optimization, and scalable design systems.
