curl --request POST \
  --url https://terrapinfinance.com/api/v1/agency_reference \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "isins": [
    "US3134HCZH51"
  ]
}
'

{
  "data": [
    {
      "asset_class": null,
      "call_type": "bermudan",
      "cfi_code": "DBFNGR",
      "composite_issue_rating": "AA+",
      "composite_issuer_rating": "AAA",
      "country": "United States of America",
      "country_code": "US",
      "coupon": 5.2,
      "coupon_frequency": 2,
      "coupon_payment_day": 16,
      "coupon_payment_months": [
        3,
        9
      ],
      "currency": "USD",
      "cusip": null,
      "figi": "BBG020WFFJW5",
      "figi_name": "FREDDIE MAC",
      "first_call_date": "2028-03-16",
      "first_interest_payment_date": "2026-09-16",
      "inserted_at": null,
      "integral_multiple": 1000,
      "interest_accrual_convention": "30/360",
      "interest_accrual_date": "2026-03-16",
      "interest_payment_schedule": [
        {
          "interest_type": "regular",
          "payment_date": {
            "day": 16,
            "month": 9,
            "year": 2026
          },
          "periodic_schedule": {
            "period_amount": 6,
            "period_type": "month",
            "until": null
          }
        }
      ],
      "interest_rate": 5.2,
      "interest_rate_schedule": [
        {
          "determination_period": null,
          "from_date": null,
          "interest_rate": 5.2,
          "interest_type": "fixed",
          "rate_mode_name": null,
          "until_date": null
        }
      ],
      "interest_type": "fixed rate",
      "is_144a": false,
      "is_callable": true,
      "is_covered": false,
      "is_green": false,
      "is_inflation_linked": false,
      "is_outstanding": true,
      "is_prod_ready": null,
      "is_puttable": false,
      "is_regs": false,
      "isin": "US3134HCZH51",
      "issue_date": "2026-03-16",
      "issue_price": 100,
      "issued_amount": 50000000,
      "issuer_name": "FEDERAL HOME LOAN MORTGAGE CORPORATION",
      "lei": "S6XOOCT0IEG5ABCC6L87",
      "lockout_period": null,
      "lt_issue_ratings": null,
      "lt_issuer_ratings": null,
      "maturity_date": "2056-03-16",
      "maturity_type": "fixed",
      "minimum_denomination": 1000,
      "next_call_date": "2028-03-16",
      "next_call_price": 100,
      "next_coupon_date": "2026-09-16",
      "odd_first_coupon": "regular",
      "odd_last_coupon": "regular",
      "optional_redemption_schedule": [
        {
          "call_date": "2028-03-16",
          "call_price": {
            "spread_in_bps": 0,
            "type": "principal"
          },
          "includes_accrued_interest": true,
          "is_periodic": true,
          "period_amount": 3,
          "period_type": "month",
          "until": null
        }
      ],
      "previous_coupon_date": null,
      "rank": "senior",
      "registration_type": "registered",
      "sector": null,
      "st_issue_ratings": null,
      "st_issuer_ratings": null,
      "standard_day_of_settlement": 0,
      "ticker": "FHLMC 5.2 03/16/56",
      "underwriters": [
        "MESIROW FINANCIAL"
      ],
      "updated_at": null
    }
  ],
  "total": 1
}