curl --request POST \
  --url https://api.sandbox.nevermined.app/oauth/authorize \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "client_id": "fleet",
  "redirect_uri": "cursor://oauth/callback",
  "code_challenge": "E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM",
  "code_challenge_method": "S256",
  "agent_id": "agent-123",
  "resource": "https://mcp-server.example.com",
  "state": "xyz",
  "plan_id": "105906634574379352540220884472",
  "provider_payment_method_id": "<string>",
  "spending_limit_cents": 5000,
  "duration_secs": 2592000
}
'

import requests

url = "https://api.sandbox.nevermined.app/oauth/authorize"

payload = {
    "client_id": "fleet",
    "redirect_uri": "cursor://oauth/callback",
    "code_challenge": "E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM",
    "code_challenge_method": "S256",
    "agent_id": "agent-123",
    "resource": "https://mcp-server.example.com",
    "state": "xyz",
    "plan_id": "105906634574379352540220884472",
    "provider_payment_method_id": "<string>",
    "spending_limit_cents": 5000,
    "duration_secs": 2592000
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    client_id: 'fleet',
    redirect_uri: 'cursor://oauth/callback',
    code_challenge: 'E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM',
    code_challenge_method: 'S256',
    agent_id: 'agent-123',
    resource: 'https://mcp-server.example.com',
    state: 'xyz',
    plan_id: '105906634574379352540220884472',
    provider_payment_method_id: '<string>',
    spending_limit_cents: 5000,
    duration_secs: 2592000
  })
};

fetch('https://api.sandbox.nevermined.app/oauth/authorize', 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://api.sandbox.nevermined.app/oauth/authorize",
  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([
    'client_id' => 'fleet',
    'redirect_uri' => 'cursor://oauth/callback',
    'code_challenge' => 'E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM',
    'code_challenge_method' => 'S256',
    'agent_id' => 'agent-123',
    'resource' => 'https://mcp-server.example.com',
    'state' => 'xyz',
    'plan_id' => '105906634574379352540220884472',
    'provider_payment_method_id' => '<string>',
    'spending_limit_cents' => 5000,
    'duration_secs' => 2592000
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://api.sandbox.nevermined.app/oauth/authorize"

	payload := strings.NewReader("{\n  \"client_id\": \"fleet\",\n  \"redirect_uri\": \"cursor://oauth/callback\",\n  \"code_challenge\": \"E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM\",\n  \"code_challenge_method\": \"S256\",\n  \"agent_id\": \"agent-123\",\n  \"resource\": \"https://mcp-server.example.com\",\n  \"state\": \"xyz\",\n  \"plan_id\": \"105906634574379352540220884472\",\n  \"provider_payment_method_id\": \"<string>\",\n  \"spending_limit_cents\": 5000,\n  \"duration_secs\": 2592000\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://api.sandbox.nevermined.app/oauth/authorize")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"client_id\": \"fleet\",\n  \"redirect_uri\": \"cursor://oauth/callback\",\n  \"code_challenge\": \"E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM\",\n  \"code_challenge_method\": \"S256\",\n  \"agent_id\": \"agent-123\",\n  \"resource\": \"https://mcp-server.example.com\",\n  \"state\": \"xyz\",\n  \"plan_id\": \"105906634574379352540220884472\",\n  \"provider_payment_method_id\": \"<string>\",\n  \"spending_limit_cents\": 5000,\n  \"duration_secs\": 2592000\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sandbox.nevermined.app/oauth/authorize")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"client_id\": \"fleet\",\n  \"redirect_uri\": \"cursor://oauth/callback\",\n  \"code_challenge\": \"E9Melhoa2OwvFrEMTJguCHaoeK1t8URWbuGJSstw-cM\",\n  \"code_challenge_method\": \"S256\",\n  \"agent_id\": \"agent-123\",\n  \"resource\": \"https://mcp-server.example.com\",\n  \"state\": \"xyz\",\n  \"plan_id\": \"105906634574379352540220884472\",\n  \"provider_payment_method_id\": \"<string>\",\n  \"spending_limit_cents\": 5000,\n  \"duration_secs\": 2592000\n}"

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

{
  "code": "abc123…"
}

{
  "code": "BCK.OAUTH.0016",
  "message": "Unknown OAuth client",
  "category": "auth",
  "hint": "<string>",
  "retryable": true,
  "httpStatus": 400
}

{
  "code": "BCK.OAUTH.0016",
  "message": "Unknown OAuth client",
  "category": "auth",
  "hint": "<string>",
  "retryable": true,
  "httpStatus": 400
}