Orchestrate payments with Primer API — multi-PSP routing, checkout optimization & workflow automation. FintegrationFS builds Primer integrations.

Verify income & employment with Argyle API — real-time payroll data & worker credentials. FintegrationFS builds Argyle integrations for lending & fintech.

FintegrationFS builds your Tap Payments API connection for fast, secure money movement and settlement, trusted by platforms serving 100M+ consumers.

FintegrationFS integrates the Fast and Secure Payment API Solutions for Your Business for payment initiation and disbursements.

FintegrationFS integrates the Bank Verification API for Secure Fintech Onboarding for reliable financial data access — SOC 2 & PCI DSS-compliant infrastructure.

Integrate Fidelity Investments API for portfolio management, trading & financial data access. FintegrationFS builds investment platform integrations.

FintegrationFS builds your Payout API connection for fast, secure money movement and settlement, trusted by platforms serving 100M+ consumers.

Access health plan data with Vericred API — plan comparison, provider directories & benefits information. FintegrationFS builds Vericred insurance integrations.

Automate US sales tax with Avalara API — real-time calculation, exemptions & compliance reporting. FintegrationFS delivers Avalara integrations for fintech.

Modernize legacy trading platforms with TD Ameritrade API integration and Schwab migration support for US fintech companies and investment applications.

Integrate Finicity and Mastercard Open Finance for US lending, income, assets, cash-flow analytics, account data and underwriting workflows.

Build card programs with Stripe Issuing API — virtual & physical cards, spend controls & real-time authorization. FintegrationFS delivers Stripe Issuing integrations.