Fundiin Financial Platform

Build on Financial Platform.

Fundiin connects merchant checkout experiences with lender lifecycle and repayment integrations. Start from the API surface your team owns.

Choose integration pathView the full launch process

Choose an integration surface

Select merchant BNPL APIs, commerce plugins, JS Elements, or lender webhooks.

Integration surfaces

Start from the surface your team owns.

Merchant-facing teams use checkout APIs, plugins, and JS Elements. Lenders use loan lifecycle, schedule, and repayment webhooks.

Merchant API

Merchant APIs

Create checkout, refund, status, and notification flows for merchant systems.

PaymentsRefundsWebhooks

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Merchant setup

Commerce Plugins

Enable Fundiin on supported commerce platforms with minimal custom development.

ShopifyHaravan · Sapo

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Merchant UI

JS Elements

Render BNPL pricing and eligibility messages on product, cart, and checkout pages.

JavaScriptThemeable

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Lender API

Lender Integration

Sync loan lifecycle, installment schedule, payment receipt, and repayment allocation data between lender and Fundiin.

Loan lifecycleRepayment webhooks

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Platform docs

Build in this order.

Platform overview

Understand Fundiin surfaces, primitives, and starting points.

Developer setup

Prepare environments, credentials, signatures, and test tools.

Webhooks and callbacks

Review merchant notifications and lender lifecycle events.

Go-live checklist

Finish UAT, monitoring, support, and production handoff.

Security and compliance

Secure financial platform infrastructure.

Fundiin protects transaction and integration data through PCI DSS-compliant security controls.

Protected transaction dataAuthenticated API accessContinuous security monitoring