使用curl执行Paypal支付API - ＆gt;回复401

Question

curl -v https://api.paypal.com/v1/payments/payouts?sync_mode=true \
-H "Content-Type: application/json" \
-H "Authorization: Bearer <token>" \
-d '{
    \"sender_batch_header\":{
    \"email_subject\":\"You have a Payout!\",
  },
  \"items\":[
    {
      \"recipient_type\":\"EMAIL\",
      \"amount\":{
        \"value\":\"11.0\",
        \"currency\":\"USD\"
      },
      \"note\":\"Thanks for your patronage!\",
      \"sender_item_id\":\"2014031400011\",
      \"receiver”:”<email>\"
    }
  ]'

执行，并回复401。 身份验证令牌值是正确的。 为什么回应401？这意味着未经授权但标题是正确的。帮助PLZ