Get an approval

curl "https://api.interchange.io/api/v2/storefront/media-buy-approvals/mb_2026_q2_ctv" \
  -H "Authorization: Bearer $SCOPE3_API_KEY"

{
  "id": "42",
  "storefrontId": "1234",
  "mediaBuyId": "mb_2026_q2_ctv",
  "buyerCustomerId": 8801,
  "submittedPayload": {
    "media_buy_id": "mb_2026_q2_ctv",
    "total_budget": 50000,
    "currency": "USD"
  },
  "status": "approved",
  "reviewedBy": "5567",
  "reviewedAt": "2026-06-02T12:30:00Z",
  "reviewerNotes": "Targeting within coverage; cleared",
  "forwardedAt": "2026-06-02T12:30:05Z",
  "createdAt": "2026-06-02T10:00:00Z",
  "updatedAt": "2026-06-02T12:30:05Z"
}