Hi, in this case looks like the system could not execute it immediately as http 503 means "The server cannot handle the request for a service due to temporary maintenance".
You can either catch this error message and take some actions in your code or rely on the IPN / WebHook notifications that, once the transaction will be completed, will notify your backend.
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Hi, it can depend on the time the transactions are recorded on your server and the timezone you are in.
For example Italy would be GMT+1, you can first check with an online time zone converter, for example this one
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Hi, the one to use is the creation of an Order via the /v1/payments/payment and intent set to "Order".
The /v1/checkout/orders is only to use if you are enabled to MarketPlace API. This API, not yet fully released, is a limited-release solution aimed at marketplaces, crowd funding, and multi-party commerce platforms. If you want to develop a marketplace then you can register your interest here
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Hi, in your case the issue is the same, the Sandbox account is not PRO and you are calling a payment creation with payment_method : credit_card. In your case as the Sandbox account is from UAE is not possible to use PRO. Create instead an US or UK account and upgrade it to PRO.
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Hi, there is a GitHub issue open for this, you can directly check with the developers the status as with REST should be possible to pass a payee.
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Hi, PayPal For Marketplaces will allow Recurring Payments through Channel Billing Agreements. Here is the documentation on the Order Operation but that requires a specific configuration on the API account and a business approval from PayPal.
If you didn't yet registered your interest in PayPal For Marketplaces you can do it here.
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Hi, do you have in the response a PayPal DebugID/FlowloggingID or Correlation ID? Also, which is the API caller email? I guess it is a Sandbox account as I see the Sandbox standard APP-80W284485P519543T
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