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API · /abv-api

Alcohol & ABV API

healthy 4,305 Subscribers

Alcohol and cocktail maths as an API, computed locally and deterministically — the ABV, dilution and standard-drink numbers a bartender, brewer or drinks app works out behind the bar. The abv endpoint mixes a drink: pass the ingredients as a volume:abv list and it returns the final alcohol by volume = (sum of volume × ABV) ÷ total volume, so a Negroni-style 2 parts at 40 %, 1 at 20 % and 1 mixer at 0 % lands at 25 % ABV (50 US proof), with mixers diluting the result. The dilution endpoint models ice melt and stirring, which add water and drop the strength: final volume = volume × (1 + dilution) and ABV falls by the same factor while the alcohol itself is unchanged, so a 4 oz stirred drink at 25 % with 25 % dilution becomes 5 oz at 20 % — stirred drinks pick up roughly 20–25 %, shaken a little more. The standard endpoint counts the dose: pure alcohol = volume × ABV, then a US standard drink is 14 grams (0.6 fl oz) and a UK unit is 10 ml of pure alcohol, so a 12 fl oz beer at 5 % is one standard drink (14 g, 1.77 UK units) and a 5 fl oz glass of 12 % wine is one too. Everything is computed locally and deterministically, so it is instant and private. Ideal for bartending, brewing, beverage, hospitality and responsible-drinking app developers, cocktail-builder and drink-tracker tools, and bar-menu calculators. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 compute endpoints. For drink recipes use a cocktails database API.

#abv #cocktail #alcohol #bartending #beverage #developer-tools
api.oanor.com/abv-api
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Machine-readable spec so AI agents can integrate this API.

/api/abv-api/openapi.json
/api/abv-api/llms.txt

Discovery: GET /api/index.json lists every API.

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
92 ms
Server probes · 24h
Subscribers
4,305
active
Total calls
4
last 7 days
status Full status page → · 8 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 7,350 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 7,350 calls/month
  • 2 req/sec
  • Mixed ABV + dilution + standard drinks
  • No credit card
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Starter

€4.15 /month

  • 56,000 calls / month
  • 6 requests / second
  • Hard cap (429 above quota, no overage)
  • 56,000 calls/month
  • 6 req/sec
  • US proof, UK units, grams of alcohol
  • Email support
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Pro

€11.60 /month

  • 231,000 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 231,000 calls/month
  • 15 req/sec
  • Cocktail-builder & drink-tracker pipelines
  • Priority support
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Mega

€36.80 /month

  • 1,348,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 1,348,000 calls/month
  • 40 req/sec
  • Platform scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Homebrewing API

Homebrewing maths as an API, computed locally and deterministically. The abv endpoint computes the alcohol by volume from the original and final gravity — both the simple (OG − FG)·131.25 estimate and a more accurate high-gravity formula — along with the apparent and real attenuation and the calories per 12 oz serving. The gravity endpoint converts freely between specific gravity, degrees Plato and Brix (the three ways brewers and winemakers measure dissolved sugar) and reports the gravity points. The ibu endpoint computes hop bitterness in International Bitterness Units by the Tinseth formula from the hop alpha-acid percentage, the weight, the boil time, the batch volume and the wort gravity, returning the utilization and the alpha-acid concentration too. Gravities are specific gravity such as 1.050, hop weight in grams, boil time in minutes and volume in litres. Everything is computed locally and deterministically, so it is instant and private. Ideal for homebrew, craft-beer, cidery and winemaking app developers, recipe and batch tools, and brewing education. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is brewing maths; for a brewery directory use a beer API and for coffee brew ratios a coffee API.

api.oanor.com/brewing-api

Blood Alcohol Calculator API

Blood-alcohol estimation as an API, using the Widmark equation, computed locally and deterministically. The estimate endpoint works out the peak and current blood-alcohol concentration — in both per mille (‰) and percent (%) — from the alcohol consumed, body weight, sex and the time elapsed since drinking, and tells you roughly how long until you are sober or back under a chosen legal limit. Alcohol can be given as grams, as US standard drinks, or as a drink volume and ABV. The drink endpoint is a standard-drink calculator: from a volume and ABV it returns the grams of pure alcohol, US standard drinks (14 g), UK units (10 ml) and EU standard drinks (10 g). The sober endpoint estimates the time for a current BAC to fall to zero or to a target limit at a chosen elimination rate. Everything is computed locally and deterministically, so it is instant and private. IMPORTANT: this is a rough estimate for educational use only — real blood-alcohol depends on many personal and situational factors. Never use it to decide whether it is safe or legal to drive; when in doubt, do not drive. Ideal for educational and harm-reduction tools, hospitality and event apps, and personal drink trackers. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is blood-alcohol maths; for the calories or nutrition of drinks use a food or nutrition API.

api.oanor.com/bac-api

Draft Beer API

Draft-beer dispense maths as an API, computed locally and deterministically — the CO₂ pressure and beer-line numbers a homebrewer, kegerator owner or bar sets a tap by. (This is the serving side; for ABV, gravity and IBU that is a homebrewing calculation.) The carbonation endpoint gives the regulator head pressure that holds a target carbonation at the serving temperature, from the standard volumes-temperature-pressure regression: 2.5 volumes of CO₂ at 38 °F needs about 11 psi, and colder beer holds the same carbonation at a lower pressure — British ales sit around 1.5–2.0 volumes, US ales 2.2–2.7, lagers and wheats higher. The balance endpoint sizes the beer line so the system pours a clean head instead of foaming or pouring slow: line length = (applied pressure − 0.5 × rise − residual) ÷ the line’s resistance per foot, where gravity adds about 0.5 psi per foot of lift and roughly 1 psi is left at the faucet — so 12 psi with no rise on 3/16-inch vinyl (≈3 psi/ft) wants about 3.7 feet, while narrower or wider tubing changes everything. Everything is computed locally and deterministically, so it is instant and private. Ideal for homebrew, kegerator, bar, brewery-taproom and beverage app developers, draft-system and troubleshooting tools, and hospitality software. Pure local computation — no key, no third-party service, instant. Dispense side only. Live, nothing stored. 2 compute endpoints.

api.oanor.com/draftbeer-api

Reptile Husbandry API

Reptile-husbandry maths as an API, computed locally and deterministically — the keeper numbers behind a healthy vivarium, so the setup is right before the animal moves in. The enclosure endpoint turns an animal length and its habit into the minimum floor length, width and height: terrestrial snakes want a floor at least as long as the snake (a 48-inch corn snake → a 48 × 24 × 24 inch minimum, eight square feet of floor), arboreal species trade floor for height (an 18-inch chameleon → 27 × 18 × 36 inches, tall), and ground lizards and tortoises need far more floor than their body length. The uvb endpoint gives the UV-B target by Ferguson zone — the 1-to-4 classification from Baines et al. (2016) of how much sun a species basks in — returning the mean and basking UV-index ranges (zone 3 open baskers want a basking UVI of 2.9–7.4), and, if you pass a lamp UVI measured at a reference distance, an inverse-square estimate of the mounting distance for the right basking UVI. The feeding endpoint sizes prey from body weight and life stage: a meal of roughly 10–15 % of body weight, no wider than the animal, on an interval that lengthens with age — a 500 g adult snake takes a 40–60 g prey item every fortnight. Everything is computed locally and deterministically, so it is instant and private. Ideal for reptile-keeper and herpetoculture apps, pet-store and breeder tools, vivarium-planning calculators, and care-sheet sites. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 compute endpoints. Educational husbandry estimates — not veterinary advice; research your exact species.

api.oanor.com/reptile-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Alcohol & ABV API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Alcohol & ABV API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Alcohol & ABV API?
Free tier allows 1 request per second. Paid plans scale up to 50 requests per second on the Mega tier. Hard limits return HTTP 429 above the quota — no surprise overage charges.
How much does Alcohol & ABV API cost?
Alcohol & ABV API has a free tier with 100 calls / month. Paid plans start at €4.15 / month with higher quotas and faster rate limits.
Can I cancel my subscription anytime?
Yes. Plans are billed monthly and you can cancel anytime from your billing dashboard. No long-term contracts and no cancellation fee.
Is Alcohol & ABV API GDPR-compliant?
All requests to Alcohol & ABV API go through our EU-based gateway. Your upstream API key never leaves our server and no personal data is shared with the upstream provider beyond the request you send.

Pick an endpoint from the list on the left to see its details and try it.

Code snippets

Sign up to get an API key, then call any path under your slug.

curl https://api.oanor.com/abv-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/abv-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/abv-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);
import requests
r = requests.get(
    "https://api.oanor.com/abv-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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