How to Use the Zip MCP in LangChain

Q: How do I check an existing Zip order's status using LangChain?

You simply call the getziporderstatus tool, providing the target order ID. The result immediately tells your agent if it’s Authorized, Captured, or Cancelled.

Q: Can I process a refund for a Zip payment using LangChain?

Yep. Use the refundzippayment tool and pass the necessary order details. This executes the refund through the MCP Server, handling the funds return.

Q: What if I need to set up a new Zip checkout session with LangChain?

You use createzipcheckout, supplying the amount and currency required for the transaction. This sets up the initial payment point that your agent can work from.

Q: Does the MCP Server support multiple types of Zip transactions with LangChain?

It handles the full spectrum, including authorization (authorizeziporder), capture (capturezippayment), and final confirmation (confirmziporder). You build the flow step by step.

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Connect Zip MCP to LangChain

Create your Vinkius account to connect Zip to LangChain 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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Multi-Step Payment Chains for LangChain

The `create_zip_checkout` tool initializes a payment session, giving you the necessary context (amount, currency) to proceed. You can then chain this into subsequent actions, like calling `authorize_zip_order` to lock funds. This lets your agent execute full transaction workflows: check out, authorize, and finally confirm payments automatically.

Managing Payment Statuses with LangChain

`get_zip_order_status` checks the current state of any Zip order—whether it's 'Authorized,' 'Captured,' or 'Cancelled.' Your agent reads this status, determining if further action is required. If an order needs fixing, you can then call `refund_zip_payment` or `void_zip_payment`, making sure the sequence of events is correct.

Advanced Order Handling via MCP Server

Need to start a complex payment flow? Use `get_zip_merchant_config` first. This tool pulls your specific account details, ensuring the rest of the process is routed correctly. After configuration, you can use `confirm_zip_order` to finalize any transaction that passed authorization and capture steps.

Setup guide

Set up Zip MCP in LangChain

Prerequisites

Python 3.10+ installed
langchain-mcp-adapters + langgraph packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run pip install langchain-mcp-adapters langgraph langchain-openai. The MCP adapters package converts MCP tools into native LangChain BaseTool objects.
2

Connect via HTTP transport
Use MultiServerMCPClient with "transport": "http" pointing to your Vinkius endpoint. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Create a ReAct agent
Pass the discovered tools to create_react_agent() from LangGraph. The agent automatically routes Zip tool calls through the MCP protocol.
4

Run with any LLM
Swap ChatOpenAI for ChatAnthropic, ChatGoogleGenerativeAI, or any LangChain-compatible model. The MCP tools work identically across all providers.

agent.py

from langchain_mcp_adapters.client import MultiServerMCPClient
from langgraph.prebuilt import create_react_agent
from langchain_openai import ChatOpenAI

async with MultiServerMCPClient({
    "zip-mcp": {
        "transport": "http",
        "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
    }
}) as client:
    tools = client.get_tools()

    agent = create_react_agent(
        ChatOpenAI(model="gpt-4o"),
        tools,
    )
    result = await agent.ainvoke({
        "messages": "List recent Zip transactions"
    })
    print(result["messages"][-1].content)

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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 Zip. 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 Zip MCP in LangChain

You simply call the `get_zip_order_status` tool, providing the target order ID. The result immediately tells your agent if it’s Authorized, Captured, or Cancelled.

Yep. Use the `refund_zip_payment` tool and pass the necessary order details. This executes the refund through the MCP Server, handling the funds return.

You use `create_zip_checkout`, supplying the amount and currency required for the transaction. This sets up the initial payment point that your agent can work from.

It handles the full spectrum, including authorization (`authorize_zip_order`), capture (`capture_zip_payment`), and final confirmation (`confirm_zip_order`). You build the flow step by step.

This server primarily deals with payment status information, including order IDs and transaction states (Authorized, Captured, etc.).

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