Code Examples
Here are examples of how to test HTTP 303 responses in different programming languages:
Select options below to see how to use advanced features in your code:
Request:
curl https://free.mockerapi.com/303
Response Body:
{
"success": true,
"status": 303,
"statusText": "See Other - The server sent this response to direct the client to get the requested resource at another URI with a GET request",
"timestamp": "2025-10-08T10:30:45.123Z",
"request": {
"method": "GET",
"url": "/303",
"fullUrl": "https://free.mockerapi.com/303"
}
}Request:
fetch('https://free.mockerapi.com/303')
.then(response => {
console.log('Status:', response.status); // 303
return response.json();
})
.then(data => {
console.log('Success:', data);
})
.catch(error => {
console.error('Error:', error);
});Response Body:
{
"success": true,
"status": 303,
"statusText": "See Other - The server sent this response to direct the client to get the requested resource at another URI with a GET request",
"timestamp": "2025-10-08T10:30:45.123Z",
"request": {
"method": "GET",
"url": "/303",
"fullUrl": "https://free.mockerapi.com/303"
}
}Request:
import requests
response = requests.get('https://free.mockerapi.com/303')
print(f'Status Code: {response.status_code}') # 303
print(f'Response: {response.json()}')Response Body:
{
"success": true,
"status": 303,
"statusText": "See Other - The server sent this response to direct the client to get the requested resource at another URI with a GET request",
"timestamp": "2025-10-08T10:30:45.123Z",
"request": {
"method": "GET",
"url": "/303",
"fullUrl": "https://free.mockerapi.com/303"
}
}Request:
Response Body:
{
"success": true,
"status": 303,
"statusText": "See Other - The server sent this response to direct the client to get the requested resource at another URI with a GET request",
"timestamp": "2025-10-08T10:30:45.123Z",
"request": {
"method": "GET",
"url": "/303",
"fullUrl": "https://free.mockerapi.com/303"
}
}Request:
require 'net/http'
require 'json'
uri = URI('https://free.mockerapi.com/303')
response = Net::HTTP.get_response(uri)
puts "Status Code: #{response.code}" # 303
puts "Response: #{JSON.parse(response.body)}"Response Body:
{
"success": true,
"status": 303,
"statusText": "See Other - The server sent this response to direct the client to get the requested resource at another URI with a GET request",
"timestamp": "2025-10-08T10:30:45.123Z",
"request": {
"method": "GET",
"url": "/303",
"fullUrl": "https://free.mockerapi.com/303"
}
}Request:
package main
import (
"fmt"
"io"
"net/http"
)
func main() {
resp, err := http.Get("https://free.mockerapi.com/303")
if err != nil {
panic(err)
}
defer resp.Body.Close()
fmt.Printf("Status Code: %d\n", resp.StatusCode) // 303
body, err := io.ReadAll(resp.Body)
if err != nil {
panic(err)
}
fmt.Printf("Response: %s\n", body)
}Response Body:
{
"success": true,
"status": 303,
"statusText": "See Other - The server sent this response to direct the client to get the requested resource at another URI with a GET request",
"timestamp": "2025-10-08T10:30:45.123Z",
"request": {
"method": "GET",
"url": "/303",
"fullUrl": "https://free.mockerapi.com/303"
}
}Request:
import java.net.http.*;
import java.net.URI;
public class HttpStatusTest {
public static void main(String[] args) throws Exception {
HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("https://free.mockerapi.com/303"))
.GET()
.build();
HttpResponse response = client.send(request,
HttpResponse.BodyHandlers.ofString());
System.out.println("Status Code: " + response.statusCode()); // 303
System.out.println("Response: " + response.body());
}
} Response Body:
{
"success": true,
"status": 303,
"statusText": "See Other - The server sent this response to direct the client to get the requested resource at another URI with a GET request",
"timestamp": "2025-10-08T10:30:45.123Z",
"request": {
"method": "GET",
"url": "/303",
"fullUrl": "https://free.mockerapi.com/303"
}
}Request:
const https = require('https');
https.get('https://free.mockerapi.com/303', (res) => {
console.log('Status Code:', res.statusCode); // 303
let data = '';
res.on('data', (chunk) => {
data += chunk;
});
res.on('end', () => {
console.log('Response:', JSON.parse(data));
});
}).on('error', (err) => {
console.error('Error:', err.message);
});Response Body:
{
"success": true,
"status": 303,
"statusText": "See Other - The server sent this response to direct the client to get the requested resource at another URI with a GET request",
"timestamp": "2025-10-08T10:30:45.123Z",
"request": {
"method": "GET",
"url": "/303",
"fullUrl": "https://free.mockerapi.com/303"
}
}What is HTTP 303 See Other?
HTTP 303 See Other indicates that the request has more than one possible response. The server is informing the client that there are multiple options available for the requested resource, and the user or user agent should choose one of them.
This status code is rarely used in practice. When implemented, the server should include a list of resource characteristics and locations from which the user or user agent can choose the most appropriate one.
When Does This Happen?
A 303 See Other response is returned when:
- A resource is available in multiple formats (e.g., different languages, file formats)
- Multiple versions of a resource exist and the server wants the client to choose
- The server cannot determine which representation to return based on the request headers
- Content negotiation requires explicit user selection
Try It Live
Click the button below to make a live request and see the 303 See Other response
Common Use Cases
🌐 Content Negotiation Testing
Test how your application handles multiple resource options and content negotiation scenarios.
🔄 Multi-Format Resources
Mock responses for resources available in multiple formats (JSON, XML, etc.) or languages.
📋 Version Selection
Test client behavior when multiple versions of an API or resource are available.
🎯 Client Choice Testing
Verify that your application properly handles scenarios where user selection is required.
🔍 API Documentation
Demonstrate multiple choice scenarios in API documentation with working examples.
🧪 Edge Case Testing
Test rarely-used HTTP status codes to ensure comprehensive error handling.