Payrexx MCP Server for LangChainGive LangChain instant access to 11 tools to Check Api Status, Create Gateway, Get Gateway, and more
LangChain is the leading Python framework for composable LLM applications. Connect Payrexx through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.
Ask AI about this App Connector for LangChain
The Payrexx app connector for LangChain is a standout in the Industry Titans category — giving your AI agent 11 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
async with MultiServerMCPClient({
"payrexx": {
"transport": "streamable_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,
)
response = await agent.ainvoke({
"messages": [{
"role": "user",
"content": "Using Payrexx, show me what tools are available.",
}]
})
print(response["messages"][-1].content)
asyncio.run(main())
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About Payrexx MCP Server
Connect your Payrexx account to any AI agent and take full control of your payment orchestration and checkout flows through natural conversation. Payrexx is the leading payment provider in Switzerland and Europe, and this integration allows you to create payment gateways, monitor real-time transaction metadata, and manage recurring subscriptions directly from your chat interface.
LangChain's ecosystem of 500+ components combines seamlessly with Payrexx through native MCP adapters. Connect 11 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
What you can do
- Gateway & Link Orchestration — Create custom payment gateways and multi-use payment links programmatically to ensure your sales flow is always synchronized.
- Transaction Lifecycle Management — Access and monitor real-time transaction statuses and retrieve detailed financial metadata directly from the AI interface to track revenue health.
- Subscription & Recurring Control — Manage recurring billing cycles and list active subscriptions via natural language to drive better customer retention.
- Payout & Invoice Oversight — Access organizational payouts and list invoices to maintain a clear overview of your cash flow using simple AI commands.
- Operational Monitoring — Track system responses and manage webhook metadata to ensure your automation workflows are always optimized.
The Payrexx MCP Server exposes 11 tools through the Vinkius. Connect it to LangChain in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 11 Payrexx tools available for LangChain
When LangChain connects to Payrexx through Vinkius, your AI agent gets direct access to every tool listed below — spanning payment-gateway, pci-compliance, recurring-payments, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.
Verify API connectivity and signature
Create a new payment gateway (hosted payment page)
Get details of a specific gateway
Get details of a specific transaction
List all payment gateways
List invoices
List available payment methods
List payouts
List recurring subscriptions
List recent transactions
List configured webhooks
Connect Payrexx to LangChain via MCP
Follow these steps to wire Payrexx into LangChain. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.
Install dependencies
pip install langchain langchain-mcp-adapters langgraph langchain-openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
python agent.pyExplore tools
Why Use LangChain with the Payrexx MCP Server
LangChain provides unique advantages when paired with Payrexx through the Model Context Protocol.
The largest ecosystem of integrations, chains, and agents. combine Payrexx MCP tools with 500+ LangChain components
Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
Memory and conversation persistence let agents maintain context across Payrexx queries for multi-turn workflows
Payrexx + LangChain Use Cases
Practical scenarios where LangChain combined with the Payrexx MCP Server delivers measurable value.
RAG with live data: combine Payrexx tool results with vector store retrievals for answers grounded in both real-time and historical data
Autonomous research agents: LangChain agents query Payrexx, synthesize findings, and generate comprehensive research reports
Multi-tool orchestration: chain Payrexx tools with web scrapers, databases, and calculators in a single agent run
Production monitoring: use LangSmith to trace every Payrexx tool call, measure latency, and optimize your agent's performance
Example Prompts for Payrexx in LangChain
Ready-to-use prompts you can give your LangChain agent to start working with Payrexx immediately.
"Create a payment link for 50.00 CHF titled 'Event Registration'."
"Show me all payment transactions from the last 48 hours with their statuses."
"Create a new payment link for a CHF 250 consultation fee with an expiration date of June 30th."
Troubleshooting Payrexx MCP Server with LangChain
Common issues when connecting Payrexx to LangChain through the Vinkius, and how to resolve them.
MultiServerMCPClient not found
pip install langchain-mcp-adaptersPayrexx + LangChain FAQ
Common questions about integrating Payrexx MCP Server with LangChain.
How does LangChain connect to MCP servers?
langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.