我们可以像第三方发票一样在PayPal REST API中创建第三方账单协议吗？

Question

I want to create third party Billing Agreement in PayPal just like creating third party Invoicing API.

I tried following steps.

1. Login with PayPal (Identity API)
2. Get Refresh Token after successful authorization

3. Generate access token from Refresh token and pass it with the any api context in next calling API.

   $apiContext->getCredential()->updateAccessToken($apiContext->getConfig(), $refreshToken);

Above Steps works on Invoicing API to create third party invoice. But the same steps not working for Billing Agreement.

I know that nowhere mentioned in the PayPal documentation REST API about third party billing agreement but might be someone knows any other way as I am able to create billing agreement in classic API. Just want to know, Is it possible/not possible to create third party billing agreement in PayPal ?