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Payment Infrastructure

Merchant Portal

Self-serve operations for merchants

Presentation

Overview

Every payment platform eventually reaches a point where email threads and support tickets can no longer scale with the number of merchants on the books. A merchant portal solves this by giving each merchant a secure, branded home for everything they need to manage their relationship with you: onboarding progress, transaction history, statements, disputes and payout information, all in one place.

Pay Engineers builds portals that sit naturally on top of your existing processor, gateway or acquiring relationships. We do not require you to replace your core payments infrastructure; instead, we build the merchant-facing layer that turns raw transaction and settlement data into something merchants can actually use without calling your support team.

A well-built portal is also a commercial asset. Merchants judge the maturity of a payments partner partly by the quality of the tools they are given, and a polished, responsive portal signals operational sophistication that raw statements and spreadsheets cannot.

Who This Is For

  • PSPs, acquirers and gateways whose merchants currently rely on email or spreadsheets for statements and status updates
  • Marketplaces and platforms with growing numbers of sub-merchants who need self-service payout visibility
  • Payment businesses preparing to scale support operations without proportionally scaling headcount
  • Any payments business that wants to reduce inbound support volume tied to routine account questions

What You Get

  • KYC status tracking so merchants can see exactly where their onboarding stands and what is still outstanding
  • Statements and exports covering transactions, fees and settlements in formats your merchants can reconcile against their own books
  • A dispute centre where merchants can view chargebacks, submit evidence and track outcomes without a phone call
  • Role-based access control and audit logs so merchant organisations can safely add finance, support and management users with appropriately scoped permissions

Technical Approach

The portal is built on Laravel with a Vue.js front end and Tailwind CSS, giving us a fast, componentised interface that can be themed to match your brand without a rebuild for every visual change. PostgreSQL underpins reporting views, with materialised or cached aggregates used where transaction volumes make live queries impractical for dashboard performance.

Integration with your existing processor or gateway happens through API or database-level connectors depending on what you already run, so the portal reads from your systems of record rather than duplicating data that can drift out of sync. Role-based access control is modelled at both the merchant-organisation level and the individual-user level, so a merchant can safely delegate statement access to their accountant without exposing dispute or settlement configuration.

Delivery Process

  • Discovery of your current merchant data sources, support pain points and desired self-service scope
  • UX and information architecture design, validated with a sample of real merchants where possible
  • Sprint-based build with staged releases: onboarding visibility first, then statements, then disputes and RBAC
  • Data integration and reconciliation testing against your live processor or gateway data
  • Rollout to a merchant cohort followed by phased expansion to the full portfolio

Outcomes and Benefits

  • Measurable reduction in support tickets related to statements, status checks and dispute enquiries
  • Faster merchant onboarding as applicants can see exactly what is outstanding without contacting support
  • Improved merchant satisfaction and retention through a more professional, self-service experience
  • A scalable foundation for future merchant-facing features such as analytics, invoicing or API key management

Technologies

Laravel Vue.js Tailwind CSS PostgreSQL

FAQ

Merchants get self-service visibility into onboarding status, transaction history, statements, payout schedules and dispute cases, with drill-down detail on individual transactions rather than just summary totals. Depending on your requirements we add features such as downloadable statements, dispute evidence upload, API key management for technical merchants, and configurable notification preferences. The scope is agreed with you during discovery so the portal reflects what your support team is actually being asked for today, not a generic feature list. Everything merchants see is scoped to their own account through role-based access control, so multi-merchant data isolation is enforced at the query level, not just the UI.
Yes, role-based access control is a core part of the design, allowing a merchant to grant different permission levels to finance, support and management users within their own account, for example restricting payout and statement access to finance while giving support staff read-only transaction visibility. Every access grant and permission change is logged in a full audit trail, which is often a specific requirement from your own compliance or acquiring partners. Roles are configurable rather than hard-coded, so you can adapt the permission model as your merchant base and their internal structures evolve. This also lets you offer differentiated portal tiers to different merchant segments if that fits your commercial model.
The portal is built to sit on top of your existing payments infrastructure rather than replace it, consuming transaction, settlement and dispute data through APIs or direct database access depending on what your current stack supports. We do not require you to migrate processors or gateways to adopt the portal, which is one of the main reasons merchant portals are usually a faster win than a full platform rebuild. Where your existing systems lack a clean API, we build an integration layer that normalises the data before it reaches the portal, so future changes to your core processor do not require rewriting the merchant-facing experience. This decoupling protects your investment in the portal even if backend systems change later.
A first release covering core dashboards, transaction search, statements and basic dispute visibility typically takes 8 to 12 weeks, depending on how much integration work is needed against your existing data sources. We prioritise the features that reduce the most support ticket volume first, based on a short discovery workshop with your support team, so the earliest release delivers measurable operational relief. Additional features such as self-service dispute evidence submission or payout schedule configuration are typically delivered in a second phase. White-labelling and branding work is scheduled in parallel with backend integration so it does not add to the critical path.
The portal is built with a themeable front end so your branding, colours and domain can be applied without a custom rebuild, and where you operate multiple brands or partner labels we configure multi-tenant theming so each merchant sees the correct identity. This is delivered using the same underlying codebase and data layer, so maintaining multiple brand skins does not multiply your ongoing maintenance burden. Custom domains and email notification templates are included as part of the branding scope. If you plan to resell the portal under partner labels, we design the tenant model for that from the start rather than retrofitting it later.

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