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POST
/
api
/
v2
/
payments
/
promo
Apply Promo Code
curl --request POST \
  --url https://api.example.com/api/v2/payments/promo
curl -X POST https://neuralbox.top/api/v2/payments/promo \
  -H "Authorization: Bearer nb_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"code": "WELCOME2026"}'
Returns the bonus amount and updated balance on success.