Stripe Using Connect with Standard Accounts | Stripe Create Standard Account

1 Login to your stripe account and navigate to https://dashboard.stripe.com/account/applications/settings and follow below steps:

Stripe Docs for Standard Account

2. Copy Client ID and follow below PHP script (which will redirect target users to Stripe application page to fill up their personal details to create and account with Stripe):

<?php
$client_id = "ca_BPnCyPD...........ODApFdHyTXHbwQ";
$auth_url = "https://connect.stripe.com/oauth/authorize?".
    "response_type=code&client_id=$client_id&scope=read_write".
    "&redirect_uri=".rawurlencode("http://localhost/ci/dragon71/stripe/callback.php").
    "&state=".md5(trim(true));
header("Refresh:0; url=$auth_url");

3. After completing procedures there, Stripe will redirect back to our target redirect URL as below:

http://localhost/ci/dragon71/stripe/callback.php?state=c4ca4238a0b923820dcc509a6f75849b&scope=read_write&code=ac_BQGZyHtVkFbOFYhNPTlAdbZeZcMutzec

If fails then:

http://localhost/ci/dragon71/stripe/callback.php?state=c4ca4238a0b923820dcc509a6f75849b&error=access_denied&error_description=The+user+denied+your+request

4. One thing we forgot, have to collect our API Key to request API call, navigate to https://dashboard.stripe.com/account/apikeys to collect your API Key's.

5. After successful redirect back, it's time to collect access token to procedure further. 

<?php
include_once "curl.php";

$api_key = "sk_test_eXF4.........jWrcHK95rwj";
$url = "https://connect.stripe.com/oauth/token";

$params = array(
    "code" => $_GET["code"],
    "grant_type" => "authorization_code"
);

$headers[] = "Authorization: Bearer $api_key";
$headers[] = "Content-Type: application/x-www-form-urlencoded";

$result = CurlExecutor::execute($url, "POST", null, $params, $headers);
$result["response"] = json_decode($result["response"]);
CurlExecutor::prettyPrint($result);

Successful output would be like below:

Array
(
    [code] => 200
    [response] => stdClass Object
        (
            [access_token] => sk_test_oWtb.........xb4tLBXqZmh
            [livemode] => 
            [refresh_token] => rt_BQGsyumxyAoDH....................aPMt5MvpprSnpwD
            [token_type] => bearer
            [stripe_publishable_key] => pk_test_xHhgw.........zfo0QYltBB
            [stripe_user_id] => acct_1B3........3aeEh
            [scope] => read_write
        )

)

Use "access_token" (actually it is "Secret key" for API), you can use this Key to process all your transactions.

And list of your connected account is below: