curl --request POST \
  --url https://posted-api.example.com/oauth/register \
  --header 'Content-Type: application/json' \
  --data '
{
  "redirect_uris": [
    "<string>"
  ],
  "client_name": "MCP client",
  "token_endpoint_auth_method": "client_secret_basic",
  "grant_types": [
    "authorization_code"
  ],
  "response_types": [
    "code"
  ]
}
'

import requests

url = "https://posted-api.example.com/oauth/register"

payload = {
    "redirect_uris": ["<string>"],
    "client_name": "MCP client",
    "token_endpoint_auth_method": "client_secret_basic",
    "grant_types": ["authorization_code"],
    "response_types": ["code"]
}
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({
    redirect_uris: ['<string>'],
    client_name: 'MCP client',
    token_endpoint_auth_method: 'client_secret_basic',
    grant_types: ['authorization_code'],
    response_types: ['code']
  })
};

fetch('https://posted-api.example.com/oauth/register', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://posted-api.example.com/oauth/register",
  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([
    'redirect_uris' => [
        '<string>'
    ],
    'client_name' => 'MCP client',
    'token_endpoint_auth_method' => 'client_secret_basic',
    'grant_types' => [
        'authorization_code'
    ],
    'response_types' => [
        'code'
    ]
  ]),
  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 := "https://posted-api.example.com/oauth/register"

	payload := strings.NewReader("{\n  \"redirect_uris\": [\n    \"<string>\"\n  ],\n  \"client_name\": \"MCP client\",\n  \"token_endpoint_auth_method\": \"client_secret_basic\",\n  \"grant_types\": [\n    \"authorization_code\"\n  ],\n  \"response_types\": [\n    \"code\"\n  ]\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("https://posted-api.example.com/oauth/register")
  .header("Content-Type", "application/json")
  .body("{\n  \"redirect_uris\": [\n    \"<string>\"\n  ],\n  \"client_name\": \"MCP client\",\n  \"token_endpoint_auth_method\": \"client_secret_basic\",\n  \"grant_types\": [\n    \"authorization_code\"\n  ],\n  \"response_types\": [\n    \"code\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://posted-api.example.com/oauth/register")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"redirect_uris\": [\n    \"<string>\"\n  ],\n  \"client_name\": \"MCP client\",\n  \"token_endpoint_auth_method\": \"client_secret_basic\",\n  \"grant_types\": [\n    \"authorization_code\"\n  ],\n  \"response_types\": [\n    \"code\"\n  ]\n}"

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

{
  "client_id": "66666666-6666-4666-8666-666666666666",
  "client_name": "Studio assistant",
  "redirect_uris": [
    "https://client.example.test/callback"
  ],
  "token_endpoint_auth_method": "none"
}

{
  "error": "<string>",
  "error_description": "<string>"
}