Instant is the baseline
Real-time rails are mainstream. Differentiation now comes from fraud controls, reconciliation, and recovery that keep pace with seconds-long settlement.
Payment infrastructure that settles right the first time
Stackera designs, builds, secures, and operates payment processing, acquiring, issuing, and banking systems—with the ledgers, reconciliation, and payment data that make every transaction fast, traceable, and provably correct across cards, bank rails, instant schemes, and stablecoins.
What's happening in Payments
Instant rails, multi-provider routing, and stablecoin settlement are now ordinary. The competitive edge has moved to what happens around the payment: resilience at peak, reconciliation that closes, and evidence on demand.
Orchestration beats one PSP
Platforms route across acquirers, local rails, and wallets for cost, approval rates, and redundancy—while keeping one security and reporting model.
Reconciliation is an engineering job
One payment can cross a card acquirer, an instant rail, and a stablecoin bridge. Finance needs a single transaction model, not three exports.
Stablecoins are a settlement rail
Regulated stablecoins under GENIUS and MiCA are becoming a cross-border and treasury rail that sits beside cards and bank transfers, not apart from them.
Resilience is regulated
Batch-era systems failing under real-time load are now board and regulator issues. Operational resilience must be designed, tested, and evidenced.
Richer data, richer obligations
ISO 20022 and open-banking data make payments more useful—and raise expectations for PCI, AML, and audit evidence captured at the moment of payment.
The problems payment businesses are facing
The gap between a working checkout and a payments platform that partner banks, auditors, and millions of payers can rely on shows up in throughput, reconciliation, failed payments, provider sprawl, compliance evidence, and fraud.
Systems designed for batch settlement stall when volume arrives in real time. Locks contend, queues back up, and a payment that should clear in seconds sits in limbo while customers refresh their balance.
Platforms we deliver
Each platform starts from the money-movement model—accounts, entries, states, and limits—then adds the rails, providers, and controls the business needs around it.
Payment Processing & Orchestration
Acceptance and routing across acquirers, bank rails, instant schemes, and wallets with retries, failover, and fee-aware logic behind one integration.
- Multi-rail routing
- Smart retries
- Provider failover
Acquiring & Merchant Payments
Merchant onboarding, transaction acceptance, and settlement to merchants with pricing, chargebacks, and scheme reporting handled as one flow.
- Merchant onboarding
- Merchant settlement
- Chargeback workflows
Issuing & Card Programs
Card issuing, authorization decisioning, and spend controls with program management integrated across processors and scheme partners.
- Card issuing
- Authorization controls
- Program management
Banking & Ledger Core
Accounts, wallets, and payouts on a double-entry, append-only ledger with idempotent APIs, multi-currency balances, holds, and limits.
- Double-entry ledger
- Idempotent APIs
- Multi-currency
Reconciliation & Payment Data
Continuous matching of provider, bank, and ledger records into one transaction timeline—with the settlement reporting and insight finance and partners rely on.
- Continuous matching
- Exception queues
- Settlement reporting
We design, build, and support payment platforms
From accepting a payment to settling and reconciling it, we build the money flows, provider integrations, and operational controls your platform needs.
Payment Processing & Orchestration
Payment gateway integrations, multi-provider routing, retries, recurring payments, and transaction status tracking across cards and bank rails
Merchant Acquiring
Merchant onboarding, KYB integrations, pricing, transaction processing, and settlement reporting connected to acquiring partners
Card Issuing & Program Management
Virtual and physical card workflows, authorization controls, spending limits, and card lifecycle management connected to issuing partners
Banking Cores & Ledgers
Double-entry ledgers, account balances, holds, fees, and transaction histories that keep money movement traceable across your platform
Reconciliation & Payment Data
Provider, bank, and ledger records matched in one transaction model, with exception queues, investigation tools, and audit trails
Settlement & Payouts
Domestic and cross-border payouts, settlement schedules, beneficiary management, and transfer tracking across banking and payment partners
Fraud, Risk & Compliance Controls
Tokenization, fraud screening, transaction monitoring, dispute workflows, and reviewable evidence integrated into payment operations
Payment Operations & Reporting
Operations consoles, approval-rate monitoring, cost-per-rail analysis, and settlement reports that help teams investigate and explain every payment
The right engagement for your next payments platform
Start with a defined build, extend your team, or take over an existing platform. We agree the scope, success measures, and ownership before delivery begins.
Fixed-Scope Build
A focused payment, ledger, or reconciliation platform delivered against an agreed specification, integration plan, and acceptance criteria.
Best for: Teams launching a defined payments platform with a clear business outcome.
4–8 weeks
Dedicated Team
An embedded team that brings product, data, and security engineering into your roadmap, with attention to money movement, provider integrations, and failure handling.
Best for: Organizations expanding their platform with an ongoing product and engineering roadmap.
Team embedded in 3 days
AI-Inclusive Build
Add fraud triage, payment routing, or reconciliation assistance to your product with trusted data, evaluation criteria, and human review built in.
Best for: Teams adding intelligent assistance to workflows their customers and operators already use.
Scoped
Existing Platform Takeover
Take ownership of an existing platform, review ledger integrity, money paths, and provider dependencies, and prioritize the improvements needed for dependable production use.
Best for: Teams inheriting a codebase or moving beyond their original delivery partner.
Platform takeover in 3 days
How Delivery Runs
- 1 week
Discovery & Architecture
Define money movement, provider dependencies, and reconciliation criteria, then agree the architecture, delivery scope, and measures of success.
- 4–6 weeks
Build & Launch
Deliver working increments with ledger tests, failure scenarios, and provider validation. Prepare the team and production environment before release.
- Ongoing
Operate & Improve
Monitor payment health, exceptions, and provider changes. Maintain tests and improve the platform as requirements evolve.
Not sure which model fits?
Start with a discovery sprint to assess your payment flows, ledger needs, and provider integrations, then define a practical path to production.
Why Stackera Is
The Right Partner
+10 Years Of Experience
We start from the ledger, the idempotency model, and the failure cases—because a payments product that is fast but occasionally wrong is not a product.
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