Open Exchange Rates API
Open Exchange Rates API
Reliable currency exchange rates with 200+ currencies and historical data.
Quick Facts
| Field | Value |
|---|---|
| Provider | Open Exchange Rates |
| Category | Other APIs |
| Website | https://openexchangerates.org |
| Authentication | API Key |
| Pricing Model | freemium |
| Free Tier | Yes, generous free tier |
| Rate Limit | 100 req/min (varies by plan) |
Overview
Open Exchange Rates API is a other apis provided by Open Exchange Rates. Reliable currency exchange rates with 200+ currencies and historical data. This API is designed to help developers integrate other capabilities into their applications with minimal setup and maximum reliability.
The API supports API Key authentication, ensuring secure access to all endpoints. With a freemium pricing model, Open Exchange Rates offers flexible options for projects of any size, from prototypes to enterprise deployments.
Open Exchange Rates maintains comprehensive documentation, SDKs for popular programming languages, and active community support. The API is built on REST principles, returning JSON responses with standard HTTP status codes, making it straightforward to integrate into existing workflows.
Authentication
This API uses API Key authentication. Send your API key in the request header or as a query parameter. The exact method depends on the API specification.
Always store your credentials securely using environment variables or a secrets manager. Never commit API keys to version control or expose them in client-side code.
Code Samples
Python
import requests
import os
API_KEY = os.environ.get("API_KEY", "YOUR_API_KEY")
BASE_URL = "https://api.openexchangerates.org"
headers = {
"Authorization": f"Bearer {API_KEY}",
"Content-Type": "application/json"
}
response = requests.get(f"{BASE_URL}/v1/resources", headers=headers)
print(response.status_code)
print(response.json())
JavaScript
const API_KEY = process.env.API_KEY || 'YOUR_API_KEY';
const BASE_URL = 'https://api.openexchangerates.org';
const response = await fetch(`${BASE_URL}/v1/resources`, {
headers: {
'Authorization': `Bearer ${API_KEY}`,
'Content-Type': 'application/json'
}
});
const data = await response.json();
console.log(data);
cURL
curl -H "Authorization: Bearer $API_KEY" \
-H "Content-Type: application/json" \
https://api.openexchangerates.org/v1/resources
Go
package main
import (
"net/http"
"fmt"
"io"
"os"
)
func main() {
apiKey := os.Getenv("API_KEY")
if apiKey == "" {
apiKey = "YOUR_API_KEY"
}
req, _ := http.NewRequest("GET", "https://api.openexchangerates.org/v1/resources", nil)
req.Header.Set("Authorization", "Bearer " + apiKey)
req.Header.Set("Content-Type", "application/json")
resp, _ := http.DefaultClient.Do(req)
defer resp.Body.Close()
body, _ := io.ReadAll(resp.Body)
fmt.Println(string(body))
}
Pricing
The pricing model is freemium. Free tier with generous limits, paid plans for higher usage and premium features. Visit the provider’s pricing page at https://openexchangerates.org for current rates and detailed pricing information.
Use Cases
- Integration: Connect Open Exchange Rates services to your application for seamless other functionality.
- Automation: Automate other workflows and reduce manual operations.
- Scaling: Handle growing other demands with Open Exchange Rates’s robust infrastructure.