How do I find my LianLian Merchant ID?

Your Merchant ID is an 18-digit number starting with '14', provided by LianLian Pay after your account is successfully registered and verified. You can find it in the LianLian Global portal dashboard.

How do I set up the RSA keys for API calls?

Generate a 2048-bit RSA key pair. Upload your Public Key to the LianLian Global portal under [Developer Settings]. Use your Private Key in the credentials section of this server to sign requests.

Can I initiate a refund through the agent?

Yes. Use the `refund_order` tool with the original order ID and the refund amount. Your agent will initiate the request with LianLian Pay and monitor the processing status for you.

LianLian Pay MCP Server for Google ADK 10 tools — connect in under 2 minutes

Name: LianLian Pay
Availability: InStock
Author: Vinkius

google.github.io/adk-docs/tools/mcp-tools

Built by Vinkius GDPR 10 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add LianLian Pay as an MCP tool provider through the Vinkius and your ADK agents can call every tool with full schema introspection.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

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Vinkius supports streamable HTTP and SSE.

python

from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
    StreamableHTTPConnectionParams,
)

# Your Vinkius token — get it at cloud.vinkius.com
mcp_tools = McpToolset(
    connection_params=StreamableHTTPConnectionParams(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
    )
)

agent = Agent(
    model="gemini-2.5-pro",
    name="lianlian_pay_agent",
    instruction=(
        "You help users interact with LianLian Pay "
        "using 10 available tools."
    ),
    tools=[mcp_tools],
)

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 LianLian Pay MCP Server

Empower your AI agent to orchestrate your international financial infrastructure with LianLian Pay, the premier cross-border payment platform for enterprise global trade. By connecting LianLian Pay to your agent, you transform complex settlement tracking, fund collections, and multi-currency management into a natural conversation. Your agent can instantly list your balances, retrieve transaction details, monitor fund settlements, and even initiate refund requests without you ever needing to navigate the comprehensive LianLian Global portal. Whether you are managing cross-border e-commerce revenue or coordinating international supplier payments, your agent acts as a real-time global treasury assistant, keeping your data accurate and your settlements moving.

Google ADK natively supports LianLian Pay as an MCP tool provider — declare the Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 10 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.

What you can do

Balance Orchestration — Retrieve real-time balance information across your LianLian merchant accounts.
Payment Management — Create and track payment orders with full support for unique identifiers and status queries.
Settlement Monitoring — Browse historical settlements and fund withdrawals to track your capital flow.
Transaction Auditing — Filter and retrieve detailed transaction records for financial reconciliation.
Treasury Insights — Retrieve current FX exchange rates and supported bank lists for efficient fund management.

The LianLian Pay MCP Server exposes 10 tools through the Vinkius. Connect it to Google ADK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect LianLian Pay to Google ADK via MCP

Follow these steps to integrate the LianLian Pay MCP Server with Google ADK.

Install Google ADK

Run pip install google-adk

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Create the agent

Save the code above and integrate into your ADK workflow

Explore tools

The agent will discover 10 tools from LianLian Pay via MCP

Why Use Google ADK with the LianLian Pay MCP Server

Google ADK provides unique advantages when paired with LianLian Pay through the Model Context Protocol.

Google ADK natively supports MCP tool servers — declare a tool provider and the framework handles discovery, validation, and execution

Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with LianLian Pay

Production-ready features like session management, evaluation, and deployment come built-in — not bolted on

Seamless integration with Google Cloud services means you can combine LianLian Pay tools with BigQuery, Vertex AI, and Cloud Functions

LianLian Pay + Google ADK Use Cases

Practical scenarios where Google ADK combined with the LianLian Pay MCP Server delivers measurable value.

Enterprise data agents: ADK agents query LianLian Pay and cross-reference results with internal databases for comprehensive analysis

Multi-modal workflows: combine LianLian Pay tool responses with Gemini's vision and language capabilities in a single agent

Automated compliance checks: schedule ADK agents to query LianLian Pay regularly and flag policy violations or configuration drift

Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including LianLian Pay

LianLian Pay MCP Tools for Google ADK (10)

These 10 tools become available when you connect LianLian Pay to Google ADK via MCP:

create_payment

Create a new payment

get_account_info

Get merchant account info

get_balance

Get account balance

get_bank_list

Get supported banks

get_exchange_rates

Get current FX rates

list_settlements

List settlements

list_transactions

List transactions

list_withdrawals

List fund withdrawals

query_order

Query order status

refund_order

Refund a payment

Example Prompts for LianLian Pay in Google ADK

Ready-to-use prompts you can give your Google ADK agent to start working with LianLian Pay immediately.

"What is my current balance on LianLian Pay?"

"Check the status of order 'LL-ORDER-8821'."

"List the last 5 settlements for my merchant account."

Troubleshooting LianLian Pay MCP Server with Google ADK

Common issues when connecting LianLian Pay to Google ADK through the Vinkius, and how to resolve them.

McpToolset not found

Update: pip install --upgrade google-adk

LianLian Pay + Google ADK FAQ

Common questions about integrating LianLian Pay MCP Server with Google ADK.

How does Google ADK connect to MCP servers?

Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.

Can ADK agents use multiple MCP servers?

Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.

Which Gemini models work best with MCP tools?

Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.