Daily forage by body weight
API · /equine-api
Equine Care API
healthy
4,872 Subscribers
Horse-care maths as an API, computed locally and deterministically — the everyday numbers a horse owner, barn manager or vet tech runs without reaching for a chart. The weight endpoint estimates body weight from a weight-tape measurement using the classic formula weight ≈ heart girth² × body length ÷ a type divisor (adult 330, yearling 301, weanling 280, pony 299) with measurements in inches — a horse with a 72-inch girth and 66-inch length comes out at about 1,037 lb (470 kg), the number you actually dose wormer and feed against. The feed endpoint turns body weight and a goal into daily forage: horses eat roughly 1.5–2.5 % of body weight in dry-matter forage a day, so a 1,000 lb horse on maintenance wants about 15–20 lb of hay, more to gain and less to slim. The gestation endpoint gives the foaling due date and the normal 320–362 day window from a breeding date — a mare bred on 1 April is due around 7 March the next year, give or take three weeks. Everything is computed locally and deterministically, so it is instant and private. Ideal for barn-management and horse-care apps, breeding and foaling trackers, feed-calculator and tack-shop sites, and equine-vet tools. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 compute endpoints. Educational estimates — not veterinary advice.
api.oanor.com/equine-api
API health
healthy- Uptime
- 100.00%
- Server probes · 24h
- Avg latency
- 88 ms
- Server probes · 24h
- Subscribers
- 4,872
- active
- Total calls
- 0
- last 7 days
Pricing
Pick a tier — billed monthly, cancel anytime.
Free
Free
- 350 calls / month
- 2 requests / second
- Hard cap (429 above quota, no overage)
- 350 calls/month
- 2 req/sec
- Weight + feed + gestation
- No credit card
Starter
€5.75 /month
- 8,500 calls / month
- 5 requests / second
- Hard cap (429 above quota, no overage)
- 8,500 calls/month
- 5 req/sec
- All types & goals
- Email support
Pro
€18.50 /month
- 55,000 calls / month
- 13 requests / second
- Hard cap (429 above quota, no overage)
- 55,000 calls/month
- 13 req/sec
- Barn-management pipelines
- Priority support
Mega
€54.50 /month
- 195,000 calls / month
- 33 requests / second
- Hard cap (429 above quota, no overage)
- 195,000 calls/month
- 33 req/sec
- Platform scale
- Dedicated SLA
Built by
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api.oanor.com/grazing-api
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api.oanor.com/gestation-api
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api.oanor.com/bluesky-api
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api.oanor.com/fulltextrss-api
Frequently asked questions
Quick answers about pricing, quotas, and integration.
How do I get an API key for Equine Care API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Equine Care API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Equine Care 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 Equine Care API cost?
Equine Care API has a free tier with 100 calls / month. Paid plans start at €5.75 / 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 Equine Care API GDPR-compliant?
All requests to Equine Care 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/equine-api/SOME_PATH \
-H "x-oanor-key: oanor_test_..."const res = await fetch("https://api.oanor.com/equine-api/SOME_PATH", {
headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();$ch = curl_init("https://api.oanor.com/equine-api/SOME_PATH");
curl_setopt($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/equine-api/SOME_PATH",
headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())Ratings
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