Paypal /v1/payments/payment 503 Node.js not working -

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the following route not work. valid card_id, and, amount that's 100.00 , description "sale"...

please tell me i'm doing wrong...

router.post("/payment", function(req,res) {      var savedcard = {         "intent": "sale",         "payer": {             "payment_method": "credit_card",             "funding_instruments": [{                 "credit_card_token": {                     "credit_card_id": req.body.card_id                 }             }]         },         "transactions": [{             "amount": {                 "currency": "usd",                 "total": req.body.amount             },             "description": req.body.description         }]     };      paypal.payment.create(savedcard, function (err, payment) {         if (err) return res.status(500).send(err)         return res.status(200).send(payment)     })    })

this code returns following error. , have tried 10 different credit cards:

{   "response": {     "name": "internal_service_error",     "information_link": "https://api.sandbox.paypal.com/docs/api/#internal_service_error",     "debug_id": "7e1f62be759b1",     "httpstatuscode": 503   },   "response_stringified": "{\"name\":\"internal_service_error\",\"information_link\":\"https://api.sandbox.paypal.com/docs/api/#internal_service_error\",\"debug_id\":\"7e1f62be759b1\",\"httpstatuscode\":503}",   "httpstatuscode": 503 }

i don't it...


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