Download deterministic pseudo-random bytes

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

The X-Content-SHA256 response header carries the body's hash for verification.

Parameters 2

Name	Type	Description
`n`required	path · integer (int32)	Number of bytes, 0–10485760 (10 MB).
`seed`	query · integer (int32)	Random seed, default 42. The same n and seed always return the same bytes. Default: 42.

Responses

200: Success.
400: n is outside 0–10485760.

Example

Request

curl -X GET "https://api.testingapis.com/api/files/bytes/16" \
  -H "X-TestingApis-Key: YOUR_API_KEY"

Response200 OK

Content-Type: application/octet-stream
Content-Disposition: attachment; filename=bytes-16-seed-42.bin; filename*=UTF-8''bytes-16-seed-42.bin
X-Content-SHA256: 3a2a115512803d416561b59ce62631f3e1a70cd6a4e1ee8a6a2b24c392e07a5a

<binary body: 16 bytes, application/octet-stream>

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api.testingapis.com

curl 'https://api.testingapis.com/api/files/bytes/16' \
  -H 'X-TestingApis-Key: YOUR_API_KEY'

const res = await fetch("https://api.testingapis.com/api/files/bytes/16", {
  headers: {
    "X-TestingApis-Key": "YOUR_API_KEY",
  },
});
console.log(res.status, await res.text());

const res = await fetch("https://api.testingapis.com/api/files/bytes/16", {
  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/files/bytes/16",
    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/files/bytes/16");
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/files/bytes/16"))
                .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/files/bytes/16", 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/files/bytes/16

Path

nrequiredinteger (int32)

Query

seedinteger (int32)