How do I find my Adyen API Key?

Log in to your Adyen Customer Area, go to **Developers** > **API credentials**, and select your web service user (ws@Company.YourCompany). You can generate and copy your API key from the 'Authentication' section.

Can I process a refund via the agent?

Yes! Use the `refund_payment` tool and provide the original PSP reference and the amount. Your agent will submit the refund request to Adyen for processing.

Does this support checking payment statuses?

Yes, the `get_payment_details` tool allows you to retrieve the full technical response for any PSP reference, including authorization codes and refusal reasons.

Adyen MCP Server for Google ADK 4 tools — connect in under 2 minutes

Name: Adyen
Availability: InStock
Author: Vinkius

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

Built by Vinkius GDPR 4 Tools SDK

Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add Adyen as an MCP tool provider through 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

Open in ChatGPT Open in Claude Open in Perplexity

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="adyen_agent",
    instruction=(
        "You help users interact with Adyen "
        "using 4 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 Adyen MCP Server

Connect your Adyen account to your AI agent to unlock enterprise-grade payment orchestration and financial management. From monitoring real-time transaction statuses to handling refunds and auditing merchant account configurations, your agent handles your global payment ecosystem through natural conversation.

Google ADK natively supports Adyen as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 4 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

Payment Monitoring — List and retrieve details for authorized, captured, or refused payments across your accounts
Refund & Modification — Initiate refunds and manage payment modifications (captures, cancels) directly from chat
Merchant Oversight — List and audit your merchant accounts and their technical configurations via the Management API
Payment Method Auditing — Retrieve and verify available payment methods for specific regions and currencies
Financial Insights — Quickly identify transaction trends and reconciliation patterns directly from your chat interface

The Adyen MCP Server exposes 4 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 Adyen to Google ADK via MCP

Follow these steps to integrate the Adyen 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 4 tools from Adyen via MCP

Why Use Google ADK with the Adyen MCP Server

Google ADK provides unique advantages when paired with Adyen 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 Adyen

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 Adyen tools with BigQuery, Vertex AI, and Cloud Functions

Adyen + Google ADK Use Cases

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

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

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

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

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

Adyen MCP Tools for Google ADK (4)

These 4 tools become available when you connect Adyen to Google ADK via MCP:

get_merchant_details

Retrieve the technical configuration and status for a specific Adyen merchant account

get_payment_details

Requires the 16-digit PSP reference. Retrieve the full technical authorization and capture metadata for a specific Adyen payment

list_merchants

g. US, EU regions) and find a required Merchant ID. Retrieve all active merchant accounts associated with your Adyen company profile

refund_payment

Always double-check the amount before processing. Requires original PSP reference. Initiate a full or partial refund for a previously captured payment in Adyen

Example Prompts for Adyen in Google ADK

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

"Check the status of payment with PSP reference '8816123456789012'."

"Refund $25.00 for PSP reference '8516123456789012'."

"List all my active merchant accounts."

Troubleshooting Adyen MCP Server with Google ADK

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

McpToolset not found

Update: pip install --upgrade google-adk

Adyen + Google ADK FAQ

Common questions about integrating Adyen 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.