Bags Platformv0 · USDC MoR

Getting Started Guides SDKs API Reference Bags Documentation

Getting Started Architecture Quickstart Choose Your Integration Sample Integration Authentication & API Keys Environments: Sandbox vs. Production Core Concepts

Create a Payment Link Build a Custom Checkout Handle Webhooks Securely Accept Payments on Multiple Chains Calculate Tax Before Checkout Issue Refunds Settlements & Payouts Subscriptions Analytics Test Payments End-to-End Go Live Checklist Set Up Agentic Payments (X402)Agents & MCP

Finance & Compliance What is a Merchant of Record?MoR vs Payment Gateway Supported Countries Payment Methods Payment Links Subscriptions Discounts & Promo Codes Customer Portal x402 Usage-Based Billing Tax Collection & Filing Taxation & Compliance Pricing With & Without Tax Payouts Settlement Invoices Billing Automation KYB/KYC Requirements KYT & AML Screening Refunds Chargeback & Dispute Management Refunds & Disputes Testing Payments & Taxes Analytics

Security Best Practices

Checkouts Create a checkout session POST Retrieve a checkout session GET

API ReferenceCheckouts

Checkouts

Ephemeral hosted checkout sessions (Polar-like).

Create hosted checkout sessions bound to catalog products. Returns a url with ?session= for redirecting buyers.

Create a checkout session

POST /api/v1/checkouts

Retrieve a checkout session

GET /api/v1/checkouts/{id}

List settlements GET

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Create a checkout session POST

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