Payment Gateway & PSP Integration Services in São Paulo
Every failed transaction is lost revenue and a trust hit. Hurain Technologies designs and builds payment integration layers — from single PSP connections to full payment orchestration hubs — for fintechs, digital platforms, and marketplaces that need reliable, reconcilable, multi-currency and multi-rail payment flows, including crypto on/off-ramps. In São Paulo, that means building to the technical expectations of the local market.
Quick answer
Who provides payment gateway integration in São Paulo?
Hurain Technologies delivers payment gateway & psp integration services for companies in São Paulo, Brazil, available 24/7, with builds that support Pix and Boleto, ISS/PIS/COFINS today, moving to CBS/IBS under the 2026–2033 tax reform and the LGPD (Lei Geral de Proteção de Dados).
Reviewed by Shahnavaz Syed, Founder · Last updated
São Paulo Market Landscape
Why payment gateway integration is critical in São Paulo
- São Paulo hosts the B3 stock exchange and the largest concentration of fintech unicorns and scale-ups in Latin America.
- Brazil's Pix instant-payment system has driven exceptional real-time transaction volume, raising the bar for fraud detection and settlement infrastructure.
- São Paulo-based crypto businesses now operate under Brazil's 2023 crypto-asset law, giving the BCB direct oversight of virtual asset service providers.
Localised for your market
Payment Gateway Integration in São Paulo: local requirements we build for
Currency, tax, payments, data protection and 24/7 support — planned into the project from the first sprint.
Currency & pricing
Prices, invoices and reports in Brazilian real (BRL), with the transaction currency and FX rate stored on every record for cross-border sales.
Tax (VAT / GST)
Brazil applies ISS/PIS/COFINS today, moving to CBS/IBS under the 2026–2033 tax reform. We build tax-correct pricing, invoice fields and exportable tax reports; your accountant confirms treatment for your products.
Payments
Customers in São Paulo expect Pix, Boleto, Cards with parcelamento (instalments) and Mercado Pago — integrated with automatic reconciliation.
Data protection
Personal data is governed by the LGPD (Lei Geral de Proteção de Dados). We build consent, encryption, access logs and in-region hosting where required.
24/7 availability
São Paulo is on UTC−3 (India (IST) is 8h 30m ahead). Our team works 24/7, so your full business day and any out-of-hours incident are covered.
Delivery timeline
Discovery starts within 5 business days of a signed proposal. Most payment gateway integration engagements ship a first production release in 6–14 weeks, with demos every two weeks.
The Challenge
Problems we see teams struggling with
High transaction failure and decline rates
Poor PSP routing and retry logic silently loses revenue on every failed or declined transaction. Teams in São Paulo (UTC−3) feel this most when support is only available in another time zone.
Manual reconciliation overhead
Finance teams spend days manually matching PSP settlement reports against internal ledgers. Customers in São Paulo expect Pix, Boleto and Cards with parcelamento (instalments), which raises the bar here.
Limited payment method coverage
Missing local payment methods and currencies caps conversion in new markets. Customers in São Paulo expect Pix, Boleto and Cards with parcelamento (instalments), which raises the bar here.
No unified view across multiple PSPs
Operating multiple PSPs without a central orchestration layer makes routing, reporting, and risk management inconsistent. Teams in São Paulo (UTC−3) feel this most when support is only available in another time zone.
FX cost leakage on cross-border transactions
Without FX-aware routing, businesses absorb worse conversion rates and hidden markup on every cross-border transaction than necessary. Teams in São Paulo (UTC−3) feel this most when support is only available in another time zone.
Checkout abandonment from unsupported local methods
Requiring a card when local users expect a wallet, bank transfer, or QR payment method caps conversion before checkout even begins. Customers in São Paulo expect Pix, Boleto and Cards with parcelamento (instalments), which raises the bar here.
Our Approach
What our payment gateway integration work covers in São Paulo
Payment orchestration & routing
Smart routing across multiple PSPs based on cost, success rate, and geography, with automated failover. For São Paulo that includes Pix, Boleto and Cards with parcelamento (instalments).
PSP & payment method integration
Cards, bank transfers, wallets, QR payments, and local payment methods integrated behind a single API. For São Paulo that includes Pix, Boleto and Cards with parcelamento (instalments).
Cross-border & multi-currency rails
FX-aware payment flows, local acquiring, and cross-border settlement built for global operators. For São Paulo that includes Pix, Boleto and Cards with parcelamento (instalments).
Crypto on/off-ramp integration
Fiat-to-crypto and crypto-to-fiat payment rails integrated into existing checkout and wallet flows. For São Paulo that includes Pix, Boleto and Cards with parcelamento (instalments).
Automated reconciliation
Ledger-matching engines that reconcile PSP settlement files against internal transactions automatically, flagging exceptions only. For São Paulo that includes Pix, Boleto and Cards with parcelamento (instalments).
Payment hub development
A central payment hub giving finance and product teams one dashboard across every PSP and rail. For São Paulo that includes Pix, Boleto and Cards with parcelamento (instalments).
Local payment method expansion
Adding region-specific rails — bank transfers, QR payments, mobile wallets — so checkout matches what customers in each market actually expect to use. For São Paulo that includes Pix, Boleto and Cards with parcelamento (instalments).
Technology
Tech stack we work with
Integration
Backend
Reconciliation
Security
São Paulo project brief
How a payment gateway integration project for São Paulo would run
São Paulo has around 11 million people and sits on UTC−3; India is 8h 30m ahead. Our team works 24/7 from India, so stand-ups and demos can be scheduled in São Paulo business hours rather than ours.
A payments build for São Paulo has to feel native: shoppers expect Pix, Boleto and Cards with parcelamento (instalments), settled and reconciled automatically, with Banco Central do Brasil / ANPD rules in mind.
Teams in nearby Brazil cities such as Campinas (about 84 km away), Nova Iguaçu (about 337 km away) and Curitiba (about 339 km away) follow the same remote delivery model, so São Paulo clients can ask us for references from comparable markets.
Business value
What Payment Gateway & PSP Integration Services in São Paulo does for your business
Benefits for your company
- Higher payment success. Smart routing, retries and local methods reduce failed checkouts and recover revenue that is otherwise lost.
- Automatic reconciliation. Webhook-driven matching of PSP, wallet and bank records cuts finance workload and month-end errors.
- Faster market entry. One integration layer lets you switch or add PSPs and payment methods without rebuilding checkout.
How it can earn or save money
- More completed orders. Local payment methods and better authorisation rates turn more visitors into paying customers.
- Lower processing cost. Routing between providers by cost and success rate reduces the fees you pay per transaction.
- Payments as a product. Marketplaces and platforms can earn a take-rate or payout fee on payments they facilitate.
Illustrative revenue and saving lines, not guaranteed results: outcomes depend on your market, licences and execution.
How we work
How we deliver Payment Gateway Integration in São Paulo, Brazil
Every payment gateway integration engagement in São Paulo, Brazil follows the same staged, quality-gated process — shaped around your requirements and São Paulo's market. You see progress every day, review it every week, and give written sign-off at every milestone before any payment is due.
- 01
Discover
PCI scope set- Payment-flow workshops
- PSP & rail selection
- Compliance scoping (PCI DSS)
- Signed scope
- 02
Design
Flows approved- Orchestration architecture
- Ledger & reconciliation model
- Tokenisation design
- Fraud-rule design
- 03
Build
Sandbox passed- PSP adapter sprints
- Idempotent payment APIs
- Settlement & refunds
- Demo every sprint
- 04
Secure & Test
Reconciled & UAT- PCI DSS scope review
- Reconciliation tests
- Failover & retry tests
- UAT with real flows
- 05
Deploy
Live traffic OK- Staged traffic routing
- Live PSP credentials
- Monitoring & alerts
- Go-live checklist
- 06
Handover
Ops handed over- Role-based sessions
- Recorded walkthroughs
- Admin & ops runbooks
- Documentation handover
- 07
Support
SLA active- Dedicated engineer
- SLA helpdesk
- Patches & upgrades
- Quarterly reviews
Client sign-off at every milestone — you approve the working result before you pay.
You always know what was done today — and what happens next
With about 1.5 shared working hours a day between São Paulo and our team in India, questions are answered the same day and your update is waiting for you at around 10:30 AM.
Every working day, around 10:30 AM São Paulo time
- What was completed today
- What is planned for tomorrow
- Blockers and decisions needed from you
- Links to builds you can try
Every Friday, with a live call in your business hours
- Features completed and demo recordings
- Progress against the current milestone
- Risks, open questions and change requests
- Plan and priorities for next week
End of every sprint and milestone
- Working software demonstrated live
- Your feedback captured in the backlog
- Quality-gate checklist shared
- Written sign-off before any payment
What we build in for São Paulo
Local requirements are part of the scope from the Discover stage — not retrofitted before launch.
Local payments
Pix, Boleto, Cards with parcelamento (instalments), Mercado Pago — integrated and tested as part of the build.
Data protection
Data handling, consent and retention designed for the LGPD (Lei Geral de Proteção de Dados).
Regulator
Controls, reports and audit trails prepared with Banco Central do Brasil / ANPD expectations in mind, alongside your local counsel.
Language & currency
Portuguese interfaces and content, BRL pricing, invoices and number formats.
Time zone
São Paulo is on UTC−3; India (IST) is 8h 30m ahead. Calls, demos and sign-offs are scheduled in your business hours.
Payment plan
Pay only for work you have accepted
Milestones are customised to your requirements — six or more is typical, and delivery time is agreed around your scope. Every payment after the advance is released only after you have seen the working result and given written sign-off. Here is an example plan:
| Payment | Milestone & acceptance | Share |
|---|---|---|
| Advance | Contract signing Signed contract; payment-flow workshops and PCI DSS scoping. | 10% |
| Milestone 1 | Architecture approved Orchestration, ledger and reconciliation design signed off. | 15% |
| Milestone 2 | First rail live in sandbox Payment APIs, ledger and first PSP connector working. | 15% |
| Milestone 3 | All rails connected Remaining PSPs, refunds and settlement working in staging. | 15% |
| Milestone 4 | Certification & tests PCI DSS scope review, failover and reconciliation tests passed. | 15% |
| Milestone 5 | UAT sign-off Real payment flows accepted by your team. | 15% |
| Milestone 6 | Live traffic & handover Staged production routing, monitoring and ops handover. | 15% |
| Total | 100% | |
- Number of milestones and splits set around your scope
- Every milestone is a working, demonstrated result
- No payment is due until you sign off
Warranty & annual support
Protected after launch — warranty and annual support for your Payment Gateway Integration project in São Paulo, Brazil
Go-live is where your payment gateway integration product starts earning — so we stay accountable for it. Every project includes a free 90-day defect warranty. After that, the same team that built it keeps it secure, updated and running in São Paulo business hours on a fixed annual fee agreed up front — no open-ended hourly billing, no surprise invoices.
Included free
90-day warranty
Any defect found in the first 90 days after go-live is fixed free of charge.
- Every delivered feature covered
- Fixes tested and deployed to production
- Same engineers who built it
Fixed-cost annual package
30% of project cost
per year for Annual Support & Maintenance, with a dedicated developer assigned to your payment gateway integration platform. A fixed price, known in advance.
| Service | Included in the annual package |
|---|---|
| Dedicated developer | One named developer assigned to your product for fixes, enhancements and optimisation. |
| Bug fixes & security patches | Critical issues resolved within 24 hours; standard issues within 5 business days. |
| Upgrades & new releases | Framework, library and platform updates plus new versions of what we built, at no additional cost. |
| Helpdesk | Email and phone support for your team and administrators; 4-hour response for critical issues. |
| Backup monitoring | Daily backup checks and a quarterly restore test. |
| Security review | Periodic audit-trail review and security configuration check. |
| PSP & scheme changes | Provider API versions, card-scheme and 3-D Secure changes applied before their deadlines. |
| Reconciliation checks | Settlement and reconciliation exceptions reviewed and resolved every day. |
| São Paulo business-hours coverage | Helpdesk, calls and planned maintenance scheduled around São Paulo business hours (UTC−3); critical issues escalated immediately. |
| Local compliance updates | Changes to the LGPD (Lei Geral de Proteção de Dados) and Banco Central do Brasil / ANPD guidance tracked and reflected in the product. |
Source code & IP ownership
100% of the source code and IP is owned by you
For every custom payment gateway integration project in São Paulo, Brazil, upon full and final payment the complete source code and intellectual property are transferred to you — so you can host, maintain and enhance the system with any developer.
- Payment orchestration, ledger and admin source code
- PSP merchant accounts and credentials in your name
- Reconciliation rules and ops runbooks
- Complete Git repository with full commit history
- Database schemas, migrations and seed data
- Configuration, CI/CD and deployment scripts
- API documentation and a deployment guide
No lock-in
No forced upgrades
No subscription trap
Your code lives in your own repository from the first commit.
Continuous enhancement
Launch is just the beginning — keep shipping with your own dedicated team
Your payment gateway integration platform should get better every month, not stand still after go-live. Start with one dedicated developer working on your priorities across apps, dashboards and backend — and grow to a full team of developers and support members whenever your roadmap demands it.
Dedicated team, your way
From one developer to a full team
Pricing is based on the team members you need — tell us your requirements and we will quote your team.
- Start any time after launch
- Hire developers as you need them
- Scale up, scale down or pause
What your team can take on after launch
- New wallets, BNPL and local payment methods
- Checkout conversion improvements
- Merchant dashboards and settlement reports
- New PSPs, payment methods and currencies
- Smarter routing and fraud rules
- New reports, payouts and reconciliation automation
Need more hands? Add developers and support members as your requirements grow
Start with one person and add only the roles your payment gateway integration roadmap needs — each is quoted to your requirements.
Development team
Payments backend developer
Adds payment methods, routing rules and ledger features.
Integration engineer
Connects new PSPs, banks, acquirers and third-party APIs.
Frontend developer
Builds and refines the web screens and dashboards your users see.
QA engineer
Writes and runs manual and automated tests before every release.
DevOps engineer
Keeps pipelines, environments and deployments fast and reliable.
Support team
L1 helpdesk support executive
First contact for your users and staff — logs, triages and resolves common issues.
L2 technical support engineer
Investigates bugs, data issues and integrations, and escalates to developers with full context.
Merchant support executive
Helps merchants with onboarding, payments and settlements.
Payment operations support
Resolves failed payments, refunds and payout issues.
Reconciliation & disputes support
Handles settlement breaks, chargebacks and disputes.
Our Approach
Our approach to development methodologies
Our approach to custom software engineering draws on a range of methodologies, each selected to match the needs of your payment gateway integration project and your team in São Paulo, Brazil.
Agile Scrum
Best for: Evolving products
Two-week sprints with a working demo at the end of each, so payment gateway integration priorities can change as you learn from users.
Kanban
Best for: Continuous delivery & support
A visual flow of small tasks with work-in-progress limits — ideal for maintenance, integrations and post-launch improvements.
Fixed-scope (Waterfall-style)
Best for: Well-specified builds
Requirements signed off up front with a fixed timeline and price — best when scope is clear and change is unlikely.
Lean MVP
Best for: New ventures
Build the smallest payment gateway integration release that proves demand, measure it with real users, then invest where the data points.
DevOps & CI/CD
Best for: Every project
Automated tests, infrastructure-as-code and push-button deployments so releases are frequent, reversible and boring.
Security-by-design (DevSecOps)
Best for: Regulated & high-value systems
Threat modelling, dependency scanning and code review built into each sprint rather than a pen test at the end.
Why we're different
What sets Hurain Technologies apart for Brazil businesses
Plenty of agencies can build payment gateway integration. Here is what sets us apart for clients in São Paulo, Brazil.
Engineering depth, not a reseller
Your payment gateway integration project is designed and built by our own in-house engineers — no hidden subcontracting chain between you and the people writing code.
Built for Brazil, not copied from elsewhere
Payments, tax, language and data-protection requirements for Brazil are part of the design from day one instead of retrofitted after launch.
Transparent, senior-led delivery
A named project lead, a shared backlog, fortnightly demos and direct Slack access to the engineers — you always know what is being built and why.
Cost advantage without cutting corners
Delivering from India gives clients in São Paulo, Brazil senior engineering at a fraction of typical onshore agency rates, with the same code-review, testing and security standards.
You own everything
Source code lives in your repository from the first commit; IP, infrastructure accounts and documentation transfer to you in full.
We stay after launch
Monitoring, updates and a support SLA mean the team that built your product is the team that keeps it running.
Flexible engagement models
How we work with businesses in São Paulo, Brazil
Ways to work together, depending on how your team and roadmap are set up.
Dedicated Development Team
An extended team of payment gateway integration engineers, QA and architects working exclusively on your product, managed day-to-day by you with our engineering leadership behind them.
Best for: Long-term products and evolving roadmaps
Fixed-Cost Delivery
A clearly scoped payment gateway integration build with a defined timeline and price — ideal for a well-specified MVP, integration or launch product.
Best for: MVPs and clearly defined projects
Hybrid Engagement
Keep product and regulatory decisions close to your Brazil team while our specialists handle deep engineering remotely, with workshops or on-site visits at key milestones.
Best for: Enterprises and regulated businesses
Why businesses choose us
Why businesses choose Hurain Technologies
16+ years of engineering depth
Custom software engineering with in-house teams across web, mobile, cloud, AI, payments and blockchain.
Security-first by default
Encryption, least-privilege access, audit logs — and MPC/HSM custody and audited smart contracts where money is on-chain — designed in, not retrofitted.
Regulatory-aware architecture
Designed with Brazil's regulatory direction in mind and built alongside your licensed local legal counsel.
Direct access, no layers
Direct Slack or Teams access to your development team during the build, and the same people for post-launch support.
Business benefits
What you gain in Brazil
Faster time to market
An experienced payment gateway integration team with proven components means your first release ships in weeks, not quarters.
Security-first architecture
Secure from day one, rather than patched after an audit or incident.
Aligned compliance groundwork
Controls, logs and data handling built around Brazil's requirements so reviews go faster.
Lower total cost of ownership
Clean, documented, tested code that your own team can maintain — plus post-launch monitoring and support.
What happens next
From your payment gateway integration enquiry to a working demo in São Paulo, Brazil — in about a day
- 01Within 10 minutes
We respond to your enquiry
Send your payment gateway integration enquiry by form, email or WhatsApp — a few lines is enough. Our team replies within 10 minutes, any day, any time, to set up a meeting at a time that suits you in São Paulo.
- 02Requirements meeting
We understand your requirements
In a focused meeting we go deep on your users, features, integrations, timeline and budget, plus the payment, tax and compliance rules that apply in São Paulo, Brazil — so we build exactly what your business needs. NDAs signed on request.
- 03Within 24 hours
You see a demo of your payment gateway integration
Within 24 hours of our meeting we prepare and share a demo — so you see your payment gateway integration taking shape before you commit to anything.
- 04As per your budget
We share a tailored proposal
A clear proposal for your payment gateway integration project in São Paulo, Brazil with scope, milestones, team and timeline — shaped around your budget, with no hidden costs and no obligation.
Available 24×7 — three 8-hour shifts, every day
FAQ
Payment Gateway Integration in São Paulo — FAQ
Do you work with payment gateway integration clients in São Paulo?
Which currency and taxes apply to projects in Brazil?
How quickly can you start a project in São Paulo?
Which payment gateway integration company can build this for my business in São Paulo?
How do I choose the best payment gateway integration company in São Paulo?
Can I outsource payment gateway integration for São Paulo to an offshore team in India?
Do you build the complete payment gateway integration solution, or only integrate with what we already use?
We are not sure about our budget yet. Can you still help?
Do you support Pix integration for São Paulo-based platforms?
Can you support a BCB-regulated virtual asset service provider in São Paulo?
Do you support Pix integration for Brazilian payment platforms?
Can you build infrastructure aligned with BCB's new VASP licensing regime?
Which PSPs and payment methods can you integrate?
Can you build crypto payment options into our existing checkout?
How does automated reconciliation work?
Do you help reduce transaction decline rates?
Can you integrate my bank's e-commerce payment gateway in São Paulo, Brazil?
Do you build the full e-commerce website, or only the payment integration?
Payment Gateway Integration in other Brazil cities
Live Demos
A selection of platforms we've designed and built
Real, working builds across fintech, compliance, healthcare, and commerce — the same engineering team would build your payment gateway integration project for São Paulo, Brazil.
UMARSOB Data
Android VTU/data-reseller platform with wallet, agent/referral system, and admin panel.
Open live demoNexa
SaaS-style product dashboard and workflow UI for a fintech platform.
Open live demoAML Compliance Suite
Anti-money-laundering compliance and case-monitoring suite.
Open live demoDebt Management
Debt management and collections tracking platform.
Open live demoHospital Management
Hospital/clinic management system covering patient records, appointments, staff, and billing.
Open live demoDMI CHW App
Offline-first Community Health Worker counseling app with a central management platform, built for an NGO client.
Open live demoHomemakers Pro
Enterprise operations system for a domestic staffing agency covering bookings, staff, and client management.
Open live demoE-Commerce (Multi-Locale)
E-commerce storefront demo with multi-language, locale-based support.
Open live demoMars
Legal web application prototype.
Open live demoReady to bring payment gateway & psp integration services to São Paulo?
Get a response within 10 minutes, a demo within 24 hours of our meeting, and a proposal as per your budget.