curl --request GET \
  --url https://gdeltcloud.com/api/v2/macro/series/{series_id} \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://gdeltcloud.com/api/v2/macro/series/{series_id}"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://gdeltcloud.com/api/v2/macro/series/{series_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "success": true,
  "series": {
    "series_id": "DGS10",
    "title": "Market Yield on U.S. Treasury Securities at 10-Year Constant Maturity, Quoted on an Investment Basis",
    "frequency": "Daily",
    "frequency_short": "D",
    "units": "Percent",
    "units_short": "%",
    "seasonal_adjustment": "Not Seasonally Adjusted",
    "observation_start": "1962-01-02",
    "observation_end": "2026-06-26",
    "last_updated": "2026-06-27 15:18:04",
    "source_agency": "FRB",
    "release_id": 18,
    "release_name": "H.15 Selected Interest Rates",
    "geo_country_iso3": "USA",
    "compliance_status": "ok",
    "popularity": 91,
    "attribution_text": "This product uses data from the Federal Reserve Bank of St. Louis (FRED) but is not endorsed or certified by it.",
    "notes": "For further information regarding treasury constant maturity data, please refer to the H.15 Statistical Release notes and the Treasury Yield Curve Methodology."
  },
  "recent_observations": [
    {
      "date": "2026-06-26",
      "value": 4.27
    },
    {
      "date": "2026-06-25",
      "value": 4.31
    }
  ],
  "meta": {
    "attribution": "This product uses data from the Federal Reserve Bank of St. Louis (FRED) but is not endorsed or certified by it.",
    "source": "Federal Reserve Bank of St. Louis (FRED)"
  }
}

{
  "success": false,
  "error": "<string>",
  "code": "<string>",
  "details": {}
}

{
  "success": false,
  "error": "<string>",
  "code": "<string>",
  "details": {}
}

{
  "success": false,
  "error": "<string>",
  "code": "<string>",
  "details": {}
}

{
  "success": false,
  "error": "<string>",
  "code": "<string>",
  "details": {}
}