How to Use the Afterpay MCP in Vercel AI SDK

Q: How do I process an Afterpay refund in Vercel AI SDK?

Invoke the refundpayment tool within your tool-calling chain. The server checks the remaining balance before committing the credit to the customer account.

Q: Can I check Afterpay limits using Vercel AI SDK?

Yes, pass the getafterpayconfig tool to your model. It returns the exact min and max order values allowed by your merchant settings.

Stream Afterpay transaction data directly into your Vercel AI SDK React and Next.js interfaces as it happens.

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Connect Afterpay MCP to Vercel AI SDK

Create your Vinkius account to connect Afterpay to Vercel AI SDK and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Afterpay with Vercel AI SDK

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Live BNPL checkout flows for Vercel AI SDK

Use `create_checkout` to trigger payment sessions directly from your frontend components. Your users see the token generation happen in real-time without waiting for standard state updates. This MCP Server handles the handshake while your code manages the UI transition. It keeps the transaction flow tight and responsive inside your build.

Real-time payment tracking in your UI

Call `get_payment_details` to pull specific order status and settlement logs into your dashboard. Your interface updates instantly as the AI processes the raw data returned from the server. Stop relying on polling or manual refreshes. You get the financial status pushed to your client as soon as the data hits the wire.

Manage order limits and refunds

Run `get_afterpay_config` to display current merchant transaction bounds inside your application settings. You can set up logic that prevents over-limit submissions before the customer clicks buy. Use `refund_payment` to push credit back to a consumer from your admin panel. The tool confirms the remaining balance first, ensuring you don't overshoot the original transaction amount.

Setup guide

Set up Afterpay MCP in Vercel AI SDK

Prerequisites

Node.js 18+ and a TypeScript project
ai + @modelcontextprotocol/sdk packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies

Run npm install ai @modelcontextprotocol/sdk plus your preferred model provider (e.g. @ai-sdk/openai).
2

Create the Streamable HTTP transport

Use StreamableHTTPClientTransport with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and use tools

Call mcpClient.tools() to auto-discover all Afterpay tools. Pass them directly to generateText() or streamText() — no manual schema definitions needed.
4

Works with any model provider

Swap openai("gpt-4o") for any AI SDK provider — Anthropic, Google, Mistral. The MCP tools work identically across all supported models.

index.ts

import { experimental_createMCPClient as createMCPClient } from "ai";
import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp";
import { generateText } from "ai";
import { openai } from "@ai-sdk/openai";

const transport = new StreamableHTTPClientTransport(
  new URL("https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
);

const mcpClient = await createMCPClient({ transport });
const tools = await mcpClient.tools();

const { text } = await generateText({
  model: openai("gpt-4o"),
  tools,
  prompt: "List recent Afterpay transactions",
});

console.log(text);
await mcpClient.close();

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Afterpay. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Afterpay MCP in Vercel AI SDK

Invoke the `refund_payment` tool within your tool-calling chain. The server checks the remaining balance before committing the credit to the customer account.

Yes, pass the `get_afterpay_config` tool to your model. It returns the exact min and max order values allowed by your merchant settings.

The server supports streaming tool results directly into your UI. Your frontend receives the data payload as soon as the Afterpay API responds.

This server acts as a pass-through to your merchant account. Vinkius does not log or persist your transaction IDs, order amounts, or customer status.

The connection uses encrypted transport tokens for every request. No sensitive financial logs or settlement details are cached by the server after the session closes.

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