SMTP2GO API
SMTP2GO API
Global SMTP relay service with REST API for sending and tracking email.
Quick Facts
| Field | Value |
|---|---|
| Provider | SMTP2GO |
| Category | Communication APIs |
| Website | https://smtp2go.com |
| Authentication | API Key |
| Pricing Model | freemium |
| Free Tier | Yes, generous free tier |
| Rate Limit | 1000 req/min (varies by plan) |
Overview
SMTP2GO API is a communication apis provided by SMTP2GO. Global SMTP relay service with REST API for sending and tracking email. This API is designed to help developers integrate communication 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, SMTP2GO offers flexible options for projects of any size, from prototypes to enterprise deployments.
SMTP2GO 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.smtp2go.com"
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.smtp2go.com';
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.smtp2go.com/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.smtp2go.com/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://smtp2go.com for current rates and detailed pricing information.
Use Cases
- Integration: Connect SMTP2GO services to your application for seamless communication functionality.
- Automation: Automate communication workflows and reduce manual operations.
- Scaling: Handle growing communication demands with SMTP2GO’s robust infrastructure.