How to Use the Checkout.com MCP in OpenAI Agents SDK

Q: Can OpenAI Agents SDK read Checkout.com payment details?

Yes. The agent calls getpaymentdetails to extract billing logic properties. It automatically discovers this tool when you set cacheToolsList to true.

Build production payment agents with Checkout.com and OpenAI Agents SDK.

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Connect Checkout.com MCP to OpenAI Agents SDK

Create your Vinkius account to connect Checkout.com to OpenAI Agents 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 Checkout.com with OpenAI Agents SDK

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Process payments safely with OpenAI Agents SDK

Your multi-agent setup needs to move money without breaking things. By connecting this MCP Server, your agents can execute a `request_payment` against the Checkout.com gateway. Built-in guardrails ensure the agent verifies transaction details before it calls `capture_payment`. You get full tracing in the OpenAI dashboard for every dollar moved.

Manage customer vaults automatically

Storing cards requires precision. The `create_instrument` tool generates hard bindings for customer payment methods directly through your agent. When a user cancels, hand off the task to a specialized churn agent. That agent runs `delete_instrument` to wipe the explicit validations and remove the card from the active array.

Handle refunds and voids via MCP

Mistakes happen, and customer support agents need to fix them fast. Running `void_payment` drops the authorization limits before a capture closes, saving heavy gateway fees. If the transaction already settled, your agent switches to `refund_payment`. Cash goes straight back to the originating Visa or Mastercard network while you track the exact gateway state using `get_payment_actions`.

Setup guide

Set up Checkout.com MCP in OpenAI Agents SDK

Prerequisites

Python 3.10+ installed
openai-agents package (pip install openai-agents)
Active Vinkius subscription with a valid endpoint token

1

Install the SDK

Run pip install openai-agents to install the OpenAI Agents SDK. The MCP integration is built-in — no extra dependencies needed.
2

Connect via SSE transport

Use MCPServerSse with your Vinkius endpoint URL. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. The SDK auto-discovers all Checkout.com tools at runtime.
3

Create your Agent

Pass the MCP to Agent(mcp_servers=[server]). The agent receives Checkout.com tools as native definitions — JSON schemas resolve automatically.
4

Run the agent

Call Runner.run(agent, prompt) to execute. The agent invokes the appropriate Checkout.com tools and returns structured results. Copy the full example on the right to get started.

agent.py

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerSse

async def main():
    async with MCPServerSse(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as server:
        agent = Agent(
            name="Checkout.com Agent",
            instructions="You have access to Checkout.com tools.",
            mcp_servers=[server],
        )
        result = await Runner.run(agent, "List recent transactions")
        print(result.final_output)

asyncio.run(main())

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Checkout.com. 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 Checkout.com MCP in OpenAI Agents SDK

Install the package with pip install openai-agents. Initialize MCPServerStreamableHttp with your Vinkius URL and pass it to the Agent constructor in the mcp_servers list.

Yes. The agent calls `get_payment_details` to extract billing logic properties. It automatically discovers this tool when you set cacheToolsList to true.

The SDK guardrails catch the error immediately. Your agent reads the failure from the MCP server and can retry or escalate to a human operator based on your safety constraints.

Auto-discovery handles the mapping. When a prompt requires checking gateway state, the agent naturally selects `get_payment_actions` without manual tool registration.

Vinkius runs the connection in an ephemeral V8 Isolate Sandbox. The server touches raw JSON payload bindings for vault logic, but zero-trust architecture ensures no card numbers leak into your local execution environment.

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