How do I get an Exchange Rates API Key?

You can sign up for a free account at [**ExchangeRatesAPI.io**](https://exchangeratesapi.io). Once registered, your **API Access Key** will be available in your dashboard.

What is the default base currency?

For Free and Basic plans, the default base currency is **EUR**. Premium plans allow you to specify any supported currency as the base for exchange rate data.

How far back does historical data go?

Exchange Rates API provides historical exchange rate data dating back to **1999** for most major currencies.

Exchange Rates API MCP Server for Pydantic AI 7 tools — connect in under 2 minutes

Name: Exchange Rates API
Availability: InStock
Author: Vinkius

ai.pydantic.dev/mcp

Built by Vinkius GDPR 7 Tools SDK

Pydantic AI brings type-safe agent development to Python with first-class MCP support. Connect Exchange Rates API through Vinkius and every tool is automatically validated against Pydantic schemas. catch errors at build time, not in production.

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

import asyncio
from pydantic_ai import Agent
from pydantic_ai.mcp import MCPServerHTTP

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    server = MCPServerHTTP(url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")

    agent = Agent(
        model="openai:gpt-4o",
        mcp_servers=[server],
        system_prompt=(
            "You are an assistant with access to Exchange Rates API "
            "(7 tools)."
        ),
    )

    result = await agent.run(
        "What tools are available in Exchange Rates API?"
    )
    print(result.data)

asyncio.run(main())

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About Exchange Rates API MCP Server

Integrate ExchangeRatesAPI.io, the reliable foreign exchange rates and currency conversion API, directly into your AI workflow. Access real-time reference rates for 170+ currencies, retrieve historical data dating back to 1999, monitor currency fluctuations, and perform instant conversions using natural language.

Pydantic AI validates every Exchange Rates API tool response against typed schemas, catching data inconsistencies at build time. Connect 7 tools through Vinkius and switch between OpenAI, Anthropic, or Gemini without changing your integration code. full type safety, structured output guarantees, and dependency injection for testable agents.

What you can do

Real-time Market Data — Retrieve the latest exchange rates for global currencies relative to a base currency (default: EUR).
Historical Analysis — Access granular technical metadata for any past date to track currency value trends.
Currency Conversion — Perform instant calculations between currencies using official reference rates.
Market Auditing — Retrieve high-level summaries of top global market rates and fluctuation statistics instantly.

The Exchange Rates API MCP Server exposes 7 tools through the Vinkius. Connect it to Pydantic AI 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 Exchange Rates API to Pydantic AI via MCP

Follow these steps to integrate the Exchange Rates API MCP Server with Pydantic AI.

Install Pydantic AI

Run pip install pydantic-ai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save to agent.py and run: python agent.py

Explore tools

The agent discovers 7 tools from Exchange Rates API with type-safe schemas

Why Use Pydantic AI with the Exchange Rates API MCP Server

Pydantic AI provides unique advantages when paired with Exchange Rates API through the Model Context Protocol.

Full type safety: every MCP tool response is validated against Pydantic models, catching data inconsistencies before they reach your application

Model-agnostic architecture. switch between OpenAI, Anthropic, or Gemini without changing your Exchange Rates API integration code

Structured output guarantee: Pydantic AI ensures tool results conform to defined schemas, eliminating runtime type errors

Dependency injection system cleanly separates your Exchange Rates API connection logic from agent behavior for testable, maintainable code

Exchange Rates API + Pydantic AI Use Cases

Practical scenarios where Pydantic AI combined with the Exchange Rates API MCP Server delivers measurable value.

Type-safe data pipelines: query Exchange Rates API with guaranteed response schemas, feeding validated data into downstream processing

API orchestration: chain multiple Exchange Rates API tool calls with Pydantic validation at each step to ensure data integrity end-to-end

Production monitoring: build validated alert agents that query Exchange Rates API and output structured, schema-compliant notifications

Testing and QA: use Pydantic AI's dependency injection to mock Exchange Rates API responses and write comprehensive agent tests

Exchange Rates API MCP Tools for Pydantic AI (7)

These 7 tools become available when you connect Exchange Rates API to Pydantic AI via MCP:

convert_currency_amount

Convert an amount from one currency to another

get_currency_fluctuation_data

Get data on how currencies fluctuated on a day-to-day basis

get_exchange_rate_timeseries

Get daily historical rates for a specific time period

get_historical_exchange_rates

Get historical exchange rates for a specific date

get_latest_exchange_rates

Get the latest foreign exchange reference rates

get_top_market_rates

Retrieve the latest rates for top global market currencies (USD, GBP, JPY, CAD)

list_supported_currencies

List all available currency symbols and names

Example Prompts for Exchange Rates API in Pydantic AI

Ready-to-use prompts you can give your Pydantic AI agent to start working with Exchange Rates API immediately.

"What is the current exchange rate for USD and GBP relative to EUR?"

"Convert 1500 EUR to JPY."

"Get historical rates for January 1st, 2020."

Troubleshooting Exchange Rates API MCP Server with Pydantic AI

Common issues when connecting Exchange Rates API to Pydantic AI through the Vinkius, and how to resolve them.

MCPServerHTTP not found

Update: pip install --upgrade pydantic-ai

Exchange Rates API + Pydantic AI FAQ

Common questions about integrating Exchange Rates API MCP Server with Pydantic AI.

How does Pydantic AI discover MCP tools?

Create an MCPServerHTTP instance with the server URL. Pydantic AI connects, discovers all tools, and generates typed Python interfaces automatically.

Does Pydantic AI validate MCP tool responses?

Yes. When you define result types as Pydantic models, every tool response is validated against the schema. Invalid data raises a clear error instead of silently corrupting your pipeline.

Can I switch LLM providers without changing MCP code?

Absolutely. Pydantic AI abstracts the model layer. your Exchange Rates API MCP integration works identically with OpenAI, Anthropic, Google, or any supported provider.