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GET /v1/results

Completed auctions with results

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/treasuryauctions-api

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Code snippets

curl "https://api.oanor.com/treasuryauctions-api/v1/results" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/treasuryauctions-api/v1/results", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/treasuryauctions-api/v1/results");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/treasuryauctions-api/v1/results",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "note": "completed auctions with published results",
        "count": 10,
        "source": "US Treasury (FiscalData)",
        "results": [
            {
                "term": "20-Year",
                "cusip": "912810UV8",
                "reopening": false,
                "issue_date": "2026-06-01",
                "auction_date": "2026-05-20",
                "maturity_date": "2046-05-15",
                "price_per_100": 98.481099,
                "security_type": "Bond",
                "high_yield_pct": 5.122,
                "total_accepted": 18360688200,
                "offering_amount": 16000000000,
                "interest_rate_pct": 5,
                "bid_to_cover_ratio": 2.55,
                "high_discount_rate_pct": null
            },
            {
                "term": "30-Year",
                "cusip": "912810UU0",
                "reopening": false,
                "issue_date": "2026-05-15",
                "auction_date": "2026-05-13",
                "maturity_date": "2056-05-15",
                "price_per_100": 99.292811,
                "security_type": "Bond",
                "high_yield_pct": 5.046,
                "total_accepted": 30936165500,
                "offering_amount": 25000000000,
                "interest_rate_pct": 5,
                "bid_to_cover_ratio": 2.3,
                "high_discount_rate_pct": null
            },
            {
                "term": "19-Year 10-Month",
                "cusip": "912810UT3",
                "reopening": true,
                "issue_date": "2026-04-30",
                "auction_date": "2026-04-22",
                "maturity_date": "2046-02-15",
                "price_per_100": 96.735962,
                "security_type": "Bond",
                "high_yield_pct": 4.883,
                "total_accepted": 14636144300,
                "offering_amount": 13000000000,
                "interest_rate_pct": 4.625,
                "bid_to_cover_ratio": 2.68,
                "high_discount_rate_pct": null
            },
            {
                "term": "29-Year 10-Month",
                "cusip": "912810UR7",
                "reopening": true,
                "issue_date": "2026-04-15",
                "auction_date": "2026-04-09",
                "maturity_date": "2056-02-15",
                "price_per_100": 98.017194,
                "security_type": "Bond",
                "high_yield_pct": 4.876,
                "total_accepted": 25901386200,
                "offering_amount": 22000000000,
                "interest_rate_pct": 4.75,
                "bid_to_cover_ratio": 2.39,
                "high_discount_rate_pct": null
            },
            {
                "term": "19-Year 11-Month",
                "cusip": "912810UT3",
                "reopening": true,
                "issue_date": "2026-03-31",
                "auction_date": "2026-03-17",
                "maturity_date": "2046-02-15",
                "price_per_100": 97.5
…