Update a post

PUThttps://api.testingapis.com/api/Posts/{id}

Parameters 1

Name	Type	Description
`id`required	path · integer (int32)	Post ID.

Request body

Optional. application/json, text/json, application/*+json, application/xml, text/xml, application/*+xml. Model: Post. The new field values.

Example body

{
  "userId": 101,
  "title": "Getting Started with REST APIs",
  "body": "REST APIs are the backbone of modern web applications. In this post, we'll cover the basics of HTTP methods, status codes, and request/resp…",
  "tags": ["api", "tutorial", "beginner"],
  "publishedAt": "2025-07-01T14:00:00Z",
  "likes": 42
}

Responses

200: Updated; returns { message, data }.
404: The post does not exist.
500: Unexpected server error.

Example

Request

curl -X PUT "https://api.testingapis.com/api/Posts/16" \
  -H "Content-Type: application/json" \
  -d '{"userId": 101, "title": "Getting Started with REST APIs", "body": "REST APIs are the backbone of modern web applications. In this post, we'\''ll cover the basics of HTTP methods, status codes, and request/resp…", "tags": ["api", "tutorial", "beginner"], "publishedAt": "2025-07-01T14:00:00Z", "likes": 42}'

Response200 OK

{
  "message": "Post updated successfully",
  "data": {
    "id": 16,
    "userId": 101,
    "title": "Getting Started with REST APIs",
    "body": "REST APIs are the backbone of modern web applications. In this post, we'll cover the basics of HTTP methods, status codes, and request/re…
    "tags": ["api", "tutorial", "beginner"],
    "publishedAt": "2025-07-01T14:00:00Z",
    "likes: 42
  }
}

Try it

api.testingapis.com

curl -X PUT 'https://api.testingapis.com/api/Posts/16' \
  -H 'Content-Type: application/json' \
  -d '{"userId": 101, "title": "Getting Started with REST APIs", "body": "REST APIs are the backbone of modern web applications. In this post, we'\''ll cover the basics of HTTP methods, status codes, and request/resp…", "tags": ["api", "tutorial", "beginner"], "publishedAt": "2025-07-01T14:00:00Z", "likes": 42}'

const res = await fetch("https://api.testingapis.com/api/Posts/16", {
  method: "PUT",
  headers: {
    "Content-Type": "application/json",
  },
  body: "{\"userId\": 101, \"title\": \"Getting Started with REST APIs\", \"body\": \"REST APIs are the backbone of modern web applications. In this post, we'll cover the basics of HTTP methods, status codes, and request/resp…\", \"tags\": [\"api\", \"tutorial\", \"beginner\"], \"publishedAt\": \"2025-07-01T14:00:00Z\", \"likes\": 42}",
});
console.log(res.status, await res.text());

const res = await fetch("https://api.testingapis.com/api/Posts/16", {
  method: "PUT",
  headers: {
    "Content-Type": "application/json",
  },
  body: "{\"userId\": 101, \"title\": \"Getting Started with REST APIs\", \"body\": \"REST APIs are the backbone of modern web applications. In this post, we'll cover the basics of HTTP methods, status codes, and request/resp…\", \"tags\": [\"api\", \"tutorial\", \"beginner\"], \"publishedAt\": \"2025-07-01T14:00:00Z\", \"likes\": 42}",
});
const body: string = await res.text();
console.log(res.status, body);

import requests

res = requests.put(
    "https://api.testingapis.com/api/Posts/16",
    headers={
        "Content-Type": "application/json",
    },
    data="{\"userId\": 101, \"title\": \"Getting Started with REST APIs\", \"body\": \"REST APIs are the backbone of modern web applications. In this post, we'll cover the basics of HTTP methods, status codes, and request/resp…\", \"tags\": [\"api\", \"tutorial\", \"beginner\"], \"publishedAt\": \"2025-07-01T14:00:00Z\", \"likes\": 42}",
)
print(res.status_code, res.text)

using System.Net.Http.Headers;

using var client = new HttpClient();
using var request = new HttpRequestMessage(HttpMethod.Put, "https://api.testingapis.com/api/Posts/16");
request.Content = new StringContent("{\"userId\": 101, \"title\": \"Getting Started with REST APIs\", \"body\": \"REST APIs are the backbone of modern web applications. In this post, we'll cover the basics of HTTP methods, status codes, and request/resp…\", \"tags\": [\"api\", \"tutorial\", \"beginner\"], \"publishedAt\": \"2025-07-01T14:00:00Z\", \"likes\": 42}");
request.Content.Headers.ContentType = MediaTypeHeaderValue.Parse("application/json");
using var response = await client.SendAsync(request);
Console.WriteLine($"{(int)response.StatusCode} {await response.Content.ReadAsStringAsync()}");

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder(URI.create("https://api.testingapis.com/api/Posts/16"))
                .header("Content-Type", "application/json")
                .method("PUT", HttpRequest.BodyPublishers.ofString("{\"userId\": 101, \"title\": \"Getting Started with REST APIs\", \"body\": \"REST APIs are the backbone of modern web applications. In this post, we'll cover the basics of HTTP methods, status codes, and request/resp…\", \"tags\": [\"api\", \"tutorial\", \"beginner\"], \"publishedAt\": \"2025-07-01T14:00:00Z\", \"likes\": 42}"))
                .build();
        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
        System.out.println(response.statusCode() + " " + response.body());
    }
}

package main

import (
	"fmt"
	"io"
	"net/http"
	"strings"
)

func main() {
	body := strings.NewReader("{\"userId\": 101, \"title\": \"Getting Started with REST APIs\", \"body\": \"REST APIs are the backbone of modern web applications. In this post, we'll cover the basics of HTTP methods, status codes, and request/resp…\", \"tags\": [\"api\", \"tutorial\", \"beginner\"], \"publishedAt\": \"2025-07-01T14:00:00Z\", \"likes\": 42}")
	req, err := http.NewRequest("PUT", "https://api.testingapis.com/api/Posts/16", body)
	if err != nil {
		panic(err)
	}
	req.Header.Set("Content-Type", "application/json")
	res, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
	data, err := io.ReadAll(res.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println(res.StatusCode, string(data))
}

PUThttps://api.testingapis.com/api/Posts/16

Path

idrequiredinteger (int32)