Itexus FinTech API Integration

Connect your product to payments, banking, trading, market data, and KYC/AML APIs — engineered for security, scalability, and compliance.

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What We Integrate

Payments & Acquiring

Examples
Stripe, PayPal/Braintree, Square, Dwolla

Typical scenarios
one-off and recurring payments, invoicing/subscriptions, SCA/3-D Secure, refunds/chargebacks handling, reconciliation, payouts.

Identity, Credit, KYC/AML & Risk

Examples
v, Equifax, TransUnion, Onfido, Trulioo, Sumsub, Jumio, and other leading ID and AML providers.

Typical scenarios
credit bureau integrations, document and identity verification, watchlist and sanctions screening (OFAC, EU, UN), politically exposed persons (PEP) checks, ongoing monitoring, webhook handoffs to CRM/Support.

Banking & Open Finance

Examples
Plaid, Yodlee, Railsbank, Synapse, Marqeta, Solarisbank, and other Banking-as-a-Service (BaaS) and Open Banking providers.

Typical scenarios
secure account linking (OAuth), balances and transactions sync, data enrichment, income and affordability checks, account and card issuing, virtual IBANs, compliance workflows, bank account verification.

Brokerage, Trading & Market Data

Examples
Interactive Brokers, Apex

Typical scenarios
order placement and routing, execution reports, positions/balances sync, streaming market data, FIX/REST/WebSocket integrations.

How We Work

1. Discovery & Planning

API landscape audit, data flows, architecture outline, delivery plan with timelines and budget.

2. Design & Prototype

Integration flows, data mappings, architecture diagrams, and acceptance criteria. (UI prototypes when relevant).

3. Build & Test

Iterative implementation with QA. Automated integration tests, sandbox validation, edge cases, and negative scenarios.

4. Go-Live & Support

Cutover plan, monitoring and alerting setup, documentation/knowledge transfer, ongoing maintenance, and updates as APIs evolve.

Deliverables:

Documentation describing APIs, data mappings, data flows, and architecture
Working integration/connector code
Automated tests and sample testing datasets for the sandbox environment
Monitoring and alerting service with runbooks and escalation rules

Security & Compliance

Compliance-ready by design

PCI DSS (payments), GDPR (personal data), KYC/AML practices.

Security practices

OAuth2/OIDC, encryption in transit and at rest, secrets management and rotation, role-based access, and environment isolation.

Auditability

structured logging, traceability, and data retention policies aligned with project requirements.

Additional standards on request

SOC 2, ISO 27001.

Results for Our Clients

Digital onboarding for a credit union

integrated ID verification, sanctions screening, and core banking; onboarding time reduced significantly, and regulator audit readiness achieved.

Automated trading platform

order management with Interactive Brokers, real-time data streams, FIX/WebSocket connectivity, stability, and latency improvements.

eWallet & payments

account linking via open-banking APIs, payment acceptance, POS, and crypto provider integrations.

Why Itexus?

FinTech focus

banking, payments, trading, lending, wallets, and digital assets.

Proven delivery

300+ projects for 250+ clients across 23 countries.

End-to-end service

from initial concept, consulting, requirements and architecture documentation, through coding, QA, cloud engineering, to post-production support.

Transparent and reliable process

clear documentation, thorough manual and automated testing, progress reporting, timelines, and open communication.

Support and maintenance

SLA-backed monitoring, updates, and change management.

Ready to build or integrate your project?

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