Clerk API
Clerk API
User management with pre-built React/Next.js components and multi-session support.
Quick Facts
| Field | Value |
|---|---|
| Provider | Clerk |
| Category | Authentication & Identity APIs |
| Website | https://clerk.com |
| Authentication | Bearer Token |
| Pricing Model | freemium |
| Free Tier | Yes, generous free tier |
| Rate Limit | 100 req/min (varies by plan) |
Overview
Clerk API is a authentication & identity apis provided by Clerk. User management with pre-built React/Next.js components and multi-session support. This API is designed to help developers integrate auth capabilities into their applications with minimal setup and maximum reliability.
The API supports Bearer Token authentication, ensuring secure access to all endpoints. With a freemium pricing model, Clerk offers flexible options for projects of any size, from prototypes to enterprise deployments.
Clerk 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 Bearer Token authentication. Send your API key as a Bearer token in the Authorization header of each request. The format is: Authorization: Bearer YOUR_API_KEY.
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.clerk.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.clerk.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.clerk.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.clerk.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://clerk.com for current rates and detailed pricing information.
Use Cases
- Integration: Connect Clerk services to your application for seamless auth functionality.
- Automation: Automate auth workflows and reduce manual operations.
- Scaling: Handle growing auth demands with Clerk’s robust infrastructure.