Drink quantities
API · /catering-api
Catering & Party API
Catering and party-planning maths as an API, computed locally and deterministically — the how-much-do-I-buy numbers a host or caterer plans a headcount with. The food endpoint scales a menu to the guest count and appetite: the main protein at about half a pound of cooked meat per person (light 0.33, hearty 0.75), each side dish at roughly four ounces a head, six appetizer pieces each and one-and-a-half dinner rolls — so 50 guests at a standard dinner with three sides need 25 lb of meat, 300 appetizers and 75 rolls. The drinks endpoint sizes the bar: about one drink per guest per hour plus an extra in the first hour, split across beer, wine and cocktails, and converted into the real units you buy — beer by the case (24) and the half-keg (~165 servings), wine by the bottle (~5 glasses), spirits by the 750 ml bottle (~16 shots) — plus the ice (about 1.5 lb per guest) and water; a 50-guest, four-hour party comes to 250 drinks, 125 beers (0.76 of a keg), 15 bottles of wine and 75 lb of ice. Everything is computed locally and deterministically, so it is instant and private. Ideal for event-planning, catering, hospitality and party app developers, shopping-list and headcount tools, and host calculators. Pure local computation — no key, no third-party service, instant. US units; rules of thumb — round up. Live, nothing stored. 2 compute endpoints. Adjust for the crowd and the season.
API health
healthy- Uptime
- 100.00%
- Server probes · 24h
- Avg latency
- 66 ms
- Server probes · 24h
- Subscribers
- 4,088
- active
- Total calls
- 0
- last 7 days
Pricing
Pick a tier — billed monthly, cancel anytime.
Free
Free
- 6,850 calls / month
- 2 requests / second
- Hard cap (429 above quota, no overage)
- 6,850 calls/month
- 2 req/sec
- Food + drink quantities
- No credit card
Starter
€3.85 /month
- 60,500 calls / month
- 6 requests / second
- Hard cap (429 above quota, no overage)
- 60,500 calls/month
- 6 req/sec
- Kegs, wine bottles, ice, appetites
- Email support
Pro
€10.80 /month
- 247,500 calls / month
- 15 requests / second
- Hard cap (429 above quota, no overage)
- 247,500 calls/month
- 15 req/sec
- Event & shopping-list pipelines
- Priority support
Mega
€34.50 /month
- 1,385,000 calls / month
- 40 requests / second
- Hard cap (429 above quota, no overage)
- 1,385,000 calls/month
- 40 req/sec
- Platform scale
- Dedicated SLA
Built by
Related APIs
Other APIs with overlapping tags.
Food Cost API
Restaurant food-costing maths as an API, computed locally and deterministically — the menu-engineering and cost-control numbers a kitchen runs on. The recipe endpoint totals a dish from its ingredient line costs (or quantities × unit prices), divides by the yield factor (1 − waste %) so trim and shrinkage raise the true cost, and splits it across the portions to a cost per plate — and against a menu price it returns the food-cost percentage and gross profit. The plate endpoint prices a dish both ways: give a menu price and get the food-cost percentage and markup factor, or give a target food-cost percentage and get the suggested menu price (a 30 % target is a 3.33× markup), plus gross profit, gross margin and, with a labour cost, the prime-cost percentage. The period endpoint turns inventory movement into the cost of goods sold — COGS = opening inventory + purchases − closing inventory — and the food or pour cost percentage against sales, the headline number on every P&L (28–35 % for food, 18–24 % for beverage). Everything is computed locally and deterministically, so it is instant and private. Ideal for restaurant-tech, POS, kitchen-management, catering and hospitality app developers, menu-engineering and recipe-costing tools, and culinary-school training. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 compute endpoints. This is food-cost and menu-pricing maths; for unit conversion use a cooking API and for generic margin maths a pricing API.
api.oanor.com/foodcost-api
Chicken Coop API
Backyard-chicken housing maths as an API, computed locally and deterministically — the coop, run and fixture numbers a flock keeper builds to. The space endpoint sizes the housing from the flock and the breed: about 4 ft² of coop floor per standard hen (2 for bantams, 5 for heavy breeds) plus roughly 10 ft² of run each, so ten standard hens want a 40 ft² coop and a 100 ft² run — and given a coop width it returns the length, or zero run for birds that free-range and only roost inside. The fixtures endpoint covers the inside: one nest box per three to four hens (they share and queue, so ten hens need three), 8–12 inches of roost bar per bird (ten birds ≈ 8.3 feet), about 4 inches of linear feeder space each, and a waterer per eight or so birds. Crowding is the root of pecking, disease and mess, so every figure rounds up and more space is always better; roosts should sit higher than the nest boxes so the birds don’t sleep — and soil — in them. Everything is computed locally and deterministically, so it is instant and private. Ideal for homesteading, backyard-poultry, farm and smallholding app developers, coop-planner and flock-management tools, and self-sufficiency software. Pure local computation — no key, no third-party service, instant. US units, rules of thumb. Live, nothing stored. 2 compute endpoints. For feed quantities use a different API.
api.oanor.com/chickencoop-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
Knife Sharpening API
Knife-sharpening maths as an API, computed locally and deterministically — the bevel and angle numbers a sharpener, cook or knifemaker sets a stone to. It uses the symmetric V-edge model: the bevel endpoint takes the blade thickness and a per-side (or inclusive) angle and returns the bevel face width = (thickness ÷ 2) ÷ sin(per-side angle), with the inclusive angle as twice the per-side — so a 2 mm blade ground at 15° per side has a 3.86 mm bevel and a 30° edge, and at a 40° inclusive (20° per side) a 2.92 mm bevel. The angle endpoint runs it in reverse for the marker (Sharpie) method: colour the edge, take one stroke, measure the shiny bevel, and per-side angle = asin((thickness ÷ 2) ÷ bevel width) tells you the angle you are actually holding. The recommend endpoint gives sensible inclusive-angle ranges by use — about 12–17° for razors, 20–30° for Japanese kitchen knives, 30–40° for Western chef’s and EDC, 40–50° for outdoor and hard use, 45–65° for axes — and converts any chosen inclusive angle to per-side and back. Everything is computed locally and deterministically, so it is instant and private. Ideal for knife, kitchen, EDC, bushcraft, woodworking and sharpening app developers, sharpening-jig and edge-geometry tools, and maker software. Pure local computation — no key, no third-party service, instant. Symmetric V-edge model, mm and degrees. Live, nothing stored. 3 compute endpoints.
api.oanor.com/knifesharp-api
Frequently asked questions
Quick answers about pricing, quotas, and integration.
How do I get an API key for Catering & Party API?
What's the rate limit for Catering & Party API?
How much does Catering & Party API cost?
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Is Catering & Party API GDPR-compliant?
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Code snippets
Sign up to get an API key, then call any path under your slug.
curl https://api.oanor.com/catering-api/SOME_PATH \
-H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/catering-api/SOME_PATH", {
headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/catering-api/SOME_PATH");
curl_setopt($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/catering-api/SOME_PATH",
headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())
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