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CasaPay Developer Documentation

Explore our APIs for tenant verification, scoring, invoicing, payment collection, payouts, guarantees, and debt collection. Build complete rental payment workflows with our comprehensive platform.

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AuthenticationAPI keys and security
WebhooksReal-time event notifications

Products

Choose a product to explore its API reference and quickstart guide.

Quickstart

Create a checkout session, redirect the tenant, and take your first payment in sandbox in four steps.

QuickstartAPI Reference

Checkout Flow

The full lifecycle: session creation, verification, the deposit decision, payment, and payout to your account.

QuickstartAPI Reference

Deposits & Guarantees

Let the tenant pay a deposit upfront, or have CasaPay guarantee it for a monthly fee instead.

QuickstartAPI Reference

Webhooks

Receive session events, verify HMAC signatures, and reconcile payments reliably.

QuickstartAPI Reference