Stream newline-delimited JSON, one object per line

GEThttps://api.testingapis.com/api/stream/ndjson/{n}Sign in to see this endpoint's URL

Content type is application/x-ndjson. Swagger UI shows the result only after the stream ends; to watch lines arrive use curl -N "https://api.testingapis.com/api/stream/ndjson/20?intervalMs=200".Content type is application/x-ndjson. Swagger UI shows the result only after the stream ends; to watch lines arrive use curl -N "https://api.testingapis.com…".

Parameters 2

Name	Type	Description
`n`required	path · integer (int32)	Number of lines (1-1000; out-of-range values are clamped).
`intervalMs`	query · integer (int32)	Delay between lines in milliseconds (0-5000, default 0). Default: 0.

Responses

200: NDJSON lines.

Example

Request

curl -X GET "https://api.testingapis.com/api/stream/ndjson/3" \
  -H "X-TestingApis-Key: YOUR_API_KEY"

Response200 OK

Content-Type: application/x-ndjson
Cache-Control: no-cache

{"id":1,"name":"Alpha-001","value":3.14,"even":false}
{"id":2,"name":"Bravo-002","value":6.28,"even":true}
{"id":3,"name":"Charlie-003","value":9.42,"even":false}

The parameters, request and response examples and the live Try it panel for this endpoint are for signed-in members. Accounts are free and take a few seconds to create.

Try itSign-in requiredUses your key

api.testingapis.com

curl 'https://api.testingapis.com/api/stream/ndjson/3' \
  -H 'X-TestingApis-Key: YOUR_API_KEY'

const res = await fetch("https://api.testingapis.com/api/stream/ndjson/3", {
  headers: {
    "X-TestingApis-Key": "YOUR_API_KEY",
  },
});
console.log(res.status, await res.text());

const res = await fetch("https://api.testingapis.com/api/stream/ndjson/3", {
  headers: {
    "X-TestingApis-Key": "YOUR_API_KEY",
  },
});
const body: string = await res.text();
console.log(res.status, body);

import requests

res = requests.get(
    "https://api.testingapis.com/api/stream/ndjson/3",
    headers={
        "X-TestingApis-Key": "YOUR_API_KEY",
    },
)
print(res.status_code, res.text)

using var client = new HttpClient();
using var request = new HttpRequestMessage(HttpMethod.Get, "https://api.testingapis.com/api/stream/ndjson/3");
request.Headers.TryAddWithoutValidation("X-TestingApis-Key", "YOUR_API_KEY");
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/stream/ndjson/3"))
                .header("X-TestingApis-Key", "YOUR_API_KEY")
                .GET()
                .build();
        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
        System.out.println(response.statusCode() + " " + response.body());
    }
}

package main

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

func main() {
	req, err := http.NewRequest("GET", "https://api.testingapis.com/api/stream/ndjson/3", nil)
	if err != nil {
		panic(err)
	}
	req.Header.Set("X-TestingApis-Key", "YOUR_API_KEY")
	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))
}

GEThttps://api.testingapis.com/api/stream/ndjson/3

Path

nrequiredinteger (int32)

Query

intervalMsinteger (int32)

Headers

The response is shown as it arrives.