> ## Documentation Index
> Fetch the complete documentation index at: https://docs.waypay.live/llms.txt
> Use this file to discover all available pages before exploring further.

# WayPay Merchant API

> Integrate payments, mobile wallets, and refunds with the WayPay Gateway

## Get started

Launch your integration quickly.

<Card title="Quickstart" icon="rocket" href="/quickstart" horizontal>
  Create your account, get approved, obtain your API key, and make your first
  API call.
</Card>

## Build with WayPay

Essential references for integrating the Merchant API.

<Columns cols={2}>
  <Card title="API reference" icon="terminal" href="/api-reference/introduction">
    Explore endpoints, schemas, and examples powered by OpenAPI.
  </Card>

  <Card title="Authentication" icon="key" href="/api-reference/authentication">
    Send your Merchant API key using the Swich-API-Key header.
  </Card>

  <Card title="Initiate payment" icon="credit-card" href="/api-reference/endpoints/payment-initiate">
    Create a hosted checkout payment intent and get a checkoutUrl.
  </Card>

  <Card title="Charge mobile wallet" icon="mobile" href="/api-reference/endpoints/charge-mobile-wallet">
    Charge a tokenized mobile wallet with OTP flows.
  </Card>

  <Card title="Create refund" icon="rotate-left" href="/api-reference/endpoints/refund-create">
    Issue full or partial refunds for previous transactions.
  </Card>

  <Card title="Cancel refund" icon="ban" href="/api-reference/endpoints/refund-cancel">
    Attempt to cancel a pending refund.
  </Card>
</Columns>