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API · /aquaculture-api

Aquaculture API

healthy 4,240 Subscribers

Fish-farming (aquaculture) maths as an API, computed locally and deterministically — the stocking, feed and oxygen numbers a fish farmer or RAS designer runs a system on. The stocking endpoint turns a tank or pond volume and a target biomass density into a fish count: biomass = density × volume, count = biomass ÷ average fish weight — a 10 m³ tank at 30 kg/m³ holds 300 kg, about 1,200 fish at 250 g each, and you stock to the harvest weight, not the fingerling weight, so the tank does not overload as they grow. The feed endpoint gives the daily ration as a percentage of body weight, and the feed to reach a target weight gain through the feed conversion ratio — 300 kg fed at 2 % is 6 kg a day, and growing 100 kg of fish at an FCR of 1.2 takes 120 kg of feed. The oxygen endpoint gives the dissolved-oxygen demand of a stock — biomass × the per-kg consumption rate — so 300 kg at 300 mg O₂/kg/hr needs 90 g of oxygen an hour, the number your aeration must beat. Everything is computed locally and deterministically, so it is instant and private. Ideal for aquaculture and RAS-design apps, fish-farm management tools, hatchery and feed calculators, and ag-tech sites. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 compute endpoints. Commercial-planning estimates — species and system vary. For a home aquarium use an aquarium API.

#aquaculture #fish-farming #ras #agriculture #oxygen #developer-tools
api.oanor.com/aquaculture-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
105 ms
Server probes · 24h
Subscribers
4,240
active
Total calls
4
last 7 days
status Full status page → · 8 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 300 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 300 calls/month
  • 2 req/sec
  • Stocking + feed + oxygen
  • No credit card
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Starter

€6.15 /month

  • 8,000 calls / month
  • 5 requests / second
  • Hard cap (429 above quota, no overage)
  • 8,000 calls/month
  • 5 req/sec
  • FCR feed & O₂ demand
  • Email support
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Pro

€18.80 /month

  • 52,000 calls / month
  • 13 requests / second
  • Hard cap (429 above quota, no overage)
  • 52,000 calls/month
  • 13 req/sec
  • Farm & RAS pipelines
  • Priority support
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Mega

€55.20 /month

  • 180,000 calls / month
  • 32 requests / second
  • Hard cap (429 above quota, no overage)
  • 180,000 calls/month
  • 32 req/sec
  • Platform scale
  • Dedicated SLA
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Grain Bin API

Grain-bin storage maths as an API, computed locally and deterministically — the bushel and weight numbers a farmer or elevator sizes storage by. The bushels endpoint measures a round bin: floor area × grain depth gives the cubic feet, and a cubic foot holds about 0.8036 bushels, so an 18-foot bin filled 20 feet level holds roughly 4,090 bushels — and grain heaped to a peak adds a cone of (1/3) × floor area × peak height, so a 4-foot peak adds about 270 more. The weight endpoint converts bushels to weight by the crop’s standard test weight — corn and sorghum at 56 pounds a bushel, wheat and soybeans 60, oats 32, barley 48 — so those 4,090 bushels of corn weigh 229,040 pounds, about 114.5 US tons or 104 tonnes; pass a measured test weight for light or heavy grain. Everything is computed locally and deterministically, so it is instant and private. Ideal for agriculture, grain-elevator, farm-management and ag-tech app developers, storage-capacity and inventory tools, and harvest software. Pure local computation — no key, no third-party service, instant. US units (feet, bushels, pounds). Live, nothing stored. 2 compute endpoints.

api.oanor.com/grainbin-api

Rotational Grazing API

Rotational-grazing maths as an API, computed locally and deterministically — the animal-unit, grazing-day and acreage numbers a rancher or homesteader moves a herd by. It all hangs on the animal unit: a 1000-pound cow eating about 26 pounds of dry matter a day. The animalunits endpoint converts a mixed herd to that common basis — a cow is 1.0 AU, a cow-calf pair 1.3, a horse 1.25, a sheep 0.2, a goat 0.17 — so ten cows and fifty sheep are 20 AU demanding 520 pounds of forage a day; pass a weight instead and it scales by weight ÷ 1000. The days endpoint works out how long a paddock lasts: grazing days = (acres × forage per acre × utilization) ÷ (animal units × 26), where the classic “take half, leave half” puts utilization near 50 %, so five acres yielding 3,000 lb at 50 % feeds 10 AU for about 29 days. The acres endpoint sizes the paddock the other way — acres = (AU × 26 × days) ÷ (forage × utilization) — so 20 AU for a 30-day move needs about 10.4 acres. Everything is computed locally and deterministically, so it is instant and private. Ideal for ranching, regenerative-agriculture, homesteading and farm-management app developers, paddock-planner and stocking-rate tools, and grazing-chart software. Pure local computation — no key, no third-party service, instant. US units; forage yield varies with season — measure it. Live, nothing stored. 3 compute endpoints.

api.oanor.com/grazing-api

Plant Spacing API

Plant-spacing and planting-density maths as an API, computed locally and deterministically. The grid endpoint works out how many plants fill an area in a square (rectangular) layout: from a spacing (one value, or separate row and in-row spacings) and either an area or a length and width, it returns the planting density per square metre, square foot, 1,000 ft², acre and hectare, an area-based plant estimate, and — when you give length and width — an exact edge-inclusive grid count with the number of rows and plants per row. The triangular endpoint does the same for an offset (hexagonal) layout, where rows sit spacing × √3/2 apart and fit about 15.47 % more plants than a square grid at the same spacing, and it reports the gain. The density endpoint converts a spacing into a planting density in several units, or works in reverse: give a number of plants and an area and it recommends the spacing that fills it. Lengths accept millimetres, centimetres, metres, inches or feet; area accepts m², ft², acres or hectares. Everything is computed locally and deterministically, so it is instant and private. Ideal for gardening and landscaping apps, agriculture and horticulture tools, nursery and farm planners, and reforestation calculators. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is planting layout and density; for fertilizer application rates use a fertilizer API and for mulch, soil and gravel quantities use a landscaping API.

api.oanor.com/plantspacing-api

Fertilizer Calculator API

Fertilizer maths as an API, computed locally and deterministically. The rate endpoint works out how much fertilizer product to apply to hit a target nitrogen rate over an area: from the N-P-K analysis (such as 10-10-10 or 20-5-10), a target pounds of nitrogen per 1000 ft² (or per 100 m²) and the area, it returns the product weight and the pounds of nitrogen, phosphate and potash applied. The nutrients endpoint reports the pounds of nitrogen, P₂O₅ and K₂O — and the elemental phosphorus and potassium — in a bag of a given weight and analysis. The coverage endpoint works out how much area a bag covers at a target nitrogen rate. N-P-K are percent by weight; phosphorus is reported as P₂O₅ and potassium as K₂O following the label convention, with the elemental amounts alongside (P₂O₅ × 0.4364, K₂O × 0.8301). Everything is computed locally and deterministically, so it is instant and private. Ideal for lawn-care and gardening apps, agriculture and turf tools, and landscaping and quoting software. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is fertilizer rate maths; for mulch, gravel and topsoil quantities use a landscaping API.

api.oanor.com/fertilizer-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Aquaculture API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Aquaculture API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Aquaculture 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 Aquaculture API cost?
Aquaculture API has a free tier with 100 calls / month. Paid plans start at €6.15 / 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 Aquaculture API GDPR-compliant?
All requests to Aquaculture 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/aquaculture-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/aquaculture-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/aquaculture-api/SOME_PATH");
curl_setopt($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/aquaculture-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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