curl --request POST \
  --url http://localhost:4242/{computer_name}/api/keychain/authenticate \
  --header 'Content-Type: application/json' \
  --data '
{
  "authElements": [
    {
      "type": "username",
      "value": "user@example.com"
    },
    {
      "type": "password",
      "value": "secret123"
    }
  ],
  "service": "github"
}
'

import requests

url = "http://localhost:4242/{computer_name}/api/keychain/authenticate"

payload = {
    "authElements": [
        {
            "type": "username",
            "value": "user@example.com"
        },
        {
            "type": "password",
            "value": "secret123"
        }
    ],
    "service": "github"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    authElements: [
      {type: 'username', value: 'user@example.com'},
      {type: 'password', value: 'secret123'}
    ],
    service: 'github'
  })
};

fetch('http://localhost:4242/{computer_name}/api/keychain/authenticate', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_PORT => "4242",
  CURLOPT_URL => "http://localhost:4242/{computer_name}/api/keychain/authenticate",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'authElements' => [
        [
                'type' => 'username',
                'value' => 'user@example.com'
        ],
        [
                'type' => 'password',
                'value' => 'secret123'
        ]
    ],
    'service' => 'github'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "http://localhost:4242/{computer_name}/api/keychain/authenticate"

	payload := strings.NewReader("{\n  \"authElements\": [\n    {\n      \"type\": \"username\",\n      \"value\": \"user@example.com\"\n    },\n    {\n      \"type\": \"password\",\n      \"value\": \"secret123\"\n    }\n  ],\n  \"service\": \"github\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("http://localhost:4242/{computer_name}/api/keychain/authenticate")
  .header("Content-Type", "application/json")
  .body("{\n  \"authElements\": [\n    {\n      \"type\": \"username\",\n      \"value\": \"user@example.com\"\n    },\n    {\n      \"type\": \"password\",\n      \"value\": \"secret123\"\n    }\n  ],\n  \"service\": \"github\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("http://localhost:4242/{computer_name}/api/keychain/authenticate")

http = Net::HTTP.new(url.host, url.port)

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"authElements\": [\n    {\n      \"type\": \"username\",\n      \"value\": \"user@example.com\"\n    },\n    {\n      \"type\": \"password\",\n      \"value\": \"secret123\"\n    }\n  ],\n  \"service\": \"github\"\n}"

response = http.request(request)
puts response.read_body

true

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}