curl --request POST \
  --url https://terrapinfinance.com/api/v1/bond_search \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "countries": [
    "Italy"
  ],
  "coupon_max": 4,
  "coupon_min": 3,
  "maturity_date_max": "2028-11-01",
  "maturity_date_min": "2028-10-22"
}'

{
  "data": [
    {
      "country": "Italy",
      "coupon": 3.75,
      "currency": "EUR",
      "isin": "IT0005571952",
      "issue_rating_group": null,
      "issuer_name": "BPER BANCA SPA",
      "issuer_rating_group": "investment_grade",
      "maturity_date": "2028-10-22",
      "ticker": "BPEIM 3.75 10/22/28 EMTN"
    }
  ],
  "total": 1
}