Wine Quality
APISold by Data 37
Red and white Portuguese Vinho Verde physicochemical measurements and sensory quality scores. Source: UCI Machine Learning Repository — https://archive.ics.uci.edu/dataset/186 Data vintage: published 2009 Cleaned and reformatted from the original; see source page for full documentation and citation.
The URL
Send a GET request — parameters go in the query string — no payment, no API key. The relay returns the origin's JSON response directly.
https://api.datapoint.market/r/data37/wine-quality
Example request
{}
Response shape
Fields
- object
columnsarray of- string
notestringsample_rowsarray of- object
alcoholstring alcohol (% vol)chloridesstring chlorides (g NaCl/dm³)citric_acidstring citric acid (g/dm³)densitystring density (g/cm³)fixed_aciditystring fixed acidity (g tartaric acid/dm³)free_sulfur_dioxidestring free SO₂ (mg/dm³)pHstring pHqualitystring sensory quality score 0–10 (median of ≥3 expert ratings) — the target variableresidual_sugarstring residual sugar (g/dm³)sulphatesstring sulphates (g K₂SO₄/dm³)total_sulfur_dioxidestring total SO₂ (mg/dm³)volatile_aciditystring volatile acidity (g acetic acid/dm³) — high values taste vinegarywine_typestring
- object
Example rows
| fixed_acidity | volatile_acidity | citric_acid | residual_sugar | chlorides | free_sulfur_dioxide | total_sulfur_dioxide | density | pH | sulphates | alcohol | quality | wine_type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7.4 | 0.7 | 0 | 1.9 | 0.076 | 11 | 34 | 0.9978 | 3.51 | 0.56 | 9.4 | 5 | red |
| 7.8 | 0.88 | 0 | 2.6 | 0.098 | 25 | 67 | 0.9968 | 3.2 | 0.68 | 9.8 | 5 | red |
| 7.8 | 0.76 | 0.04 | 2.3 | 0.092 | 15 | 54 | 0.997 | 3.26 | 0.65 | 9.8 | 5 | red |
Example response (JSON)
{
"columns": [
"fixed_acidity",
"volatile_acidity",
"citric_acid",
"residual_sugar",
"chlorides",
"free_sulfur_dioxide",
"total_sulfur_dioxide",
"density",
"pH",
"sulphates",
"alcohol",
"quality",
"wine_type"
],
"note": "Free preview. Full file delivered on download.",
"sample_rows": [
{
"fixed_acidity": "7.4",
"volatile_acidity": "0.7",
"citric_acid": "0",
"residual_sugar": "1.9",
"chlorides": "0.076",
"free_sulfur_dioxide": "11",
"total_sulfur_dioxide": "34",
"density": "0.9978",
"pH": "3.51",
"sulphates": "0.56",
"alcohol": "9.4",
"quality": "5",
"wine_type": "red"
},
{
"fixed_acidity": "7.8",
"volatile_acidity": "0.88",
"citric_acid": "0",
"residual_sugar": "2.6",
"chlorides": "0.098",
"free_sulfur_dioxide": "25",
"total_sulfur_dioxide": "67",
"density": "0.9968",
"pH": "3.2",
"sulphates": "0.68",
"alcohol": "9.8",
"quality": "5",
"wine_type": "red"
},
{
"fixed_acidity": "7.8",
"volatile_acidity": "0.76",
"citric_acid": "0.04",
"residual_sugar": "2.3",
"chlorides": "0.092",
"free_sulfur_dioxide": "15",
"total_sulfur_dioxide": "54",
"density": "0.997",
"pH": "3.26",
"sulphates": "0.65",
"alcohol": "9.8",
"quality": "5",
"wine_type": "red"
}
]
}Call it from the shell
curl 'https://api.datapoint.market/r/data37/wine-quality'
Call it from an agent
Connected in Claude (or any agent on the connector)? Buy it in one call — no API key, no signup. Call it once with no payment to take a free trial (real data) or get a price quote before you pay.
call_endpoint("data37", "wine-quality", params={})
This endpoint is free — no account, no API key, no payment. Just call the URL and the relay returns the origin's response.
Provider: Data 37