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API · /fence-api

Fence Calculator API

healthy 3,191 Subscribers

Fencing material estimating as an API, computed locally and deterministically. The posts endpoint works out the number of fence sections, line posts and rails for a run from its length and the post spacing, plus the total rail length. The pickets endpoint computes how many pickets or boards a length needs from the picket width and the gap between boards (set the gap to zero for a privacy fence). The materials endpoint produces a full bill of materials in one call — posts, rails, pickets and the concrete for the post holes, in cubic feet and metres and in 80 lb pre-mix bags — from the fence dimensions and the hole size and post depth. Everything is computed locally and deterministically, so it is instant and private. These are estimates: allow extra for waste, gates and corner posts, and follow your local building code for post depth and footing size. Picket width and gap are in inches; length can be feet, yards or metres. Ideal for fencing contractors and estimators, DIY and home-improvement tools, and landscaping and quoting software. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is fencing materials; for paint, tile and concrete use a construction-calculator API and for mulch and gravel use a landscaping API.

#fence #fencing #posts #construction #estimating #developer-tools
api.oanor.com/fence-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
90 ms
Server probes · 24h
Subscribers
3,191
active
Total calls
40
last 7 days
status Full status page → · 24 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 11,335 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 11,335 calls/month
  • 2 req/sec
  • Posts + pickets + materials
  • No credit card
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Starter

€12.85 /month

  • 20,950 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 20.95k calls/month
  • 8 req/sec
  • Concrete bags + rail totals
  • Email support
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Pro

€32.75 /month

  • 259,500 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 259.5k calls/month
  • 20 req/sec
  • Fencing / estimating pipelines
  • Priority support
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Mega

€70.75 /month

  • 1,340,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 1.34M calls/month
  • 50 req/sec
  • Platform scale
  • Dedicated SLA
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Caulk Coverage API

Caulk and sealant coverage maths as an API, computed locally and deterministically — the linear-feet-per-tube and how-many-tubes numbers a builder, glazier or DIYer buys sealant by. A bead of caulk is essentially a thin cylinder, so the coverage endpoint works out the feet a cartridge lays from the bead width: volume per foot ≈ (π/4 × width²) × 12 inches, and a standard 10.1 fl oz cartridge (18.2 in³) lays about 30 feet of a quarter-inch bead, 13 feet of a fat three-eighths or 55 of a fine three-sixteenths — pass cartridge_oz for sausage packs or 28-oz tubes, and a tube count to total it. The tubes endpoint runs it backwards: cartridges needed = (joint length × a waste factor) ÷ feet per cartridge, rounded up, so a 100-foot run of quarter-inch bead with 10 % waste takes four tubes. Everything is computed locally and deterministically, so it is instant and private. Ideal for construction, glazing, weatherproofing and home-improvement app developers, material-estimator and shopping-list tools, and contractor software. Pure local computation — no key, no third-party service, instant. Inches and feet; estimates — tooling and waste vary. Live, nothing stored. 2 compute endpoints.

api.oanor.com/caulk-api

ADA Ramp API

ADA wheelchair-ramp maths as an API, computed locally and deterministically — the run, landing and slope numbers a builder or accessibility planner sizes a ramp by. The rule the ADA fixes is 1 inch of rise per 12 of run, a maximum 8.33 % slope, so the ramp endpoint turns a rise into the ramp: run = rise × 12 (or × 16 / × 20 for a gentler grade if you have the room), plus the level landings the code requires — a 5-foot landing top and bottom and another between runs whenever the rise exceeds 30 inches — and the total length end to end, so a 24-inch rise needs a 24-foot run and 34 feet overall, while a 36-inch rise breaks into two runs with an intermediate landing for 51 feet. The fit endpoint answers the real-world question: does a ramp for this rise fit the run you have? It returns the minimum run an ADA 1:12 ramp needs, whether your space is enough, and the slope you would actually get if you forced it in — flagging when that exceeds 8.33 % and you need a switchback or a lower rise. Everything is computed locally and deterministically, so it is instant and private. Ideal for construction, accessibility, home-modification and contractor app developers, ramp-estimator and code-check tools, and building software. Pure local computation — no key, no third-party service, instant. Confirm against current ADA and local code. Live, nothing stored. 2 compute endpoints.

api.oanor.com/adaramp-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Fence Calculator API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Fence Calculator API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Fence Calculator 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 Fence Calculator API cost?
Fence Calculator API has a free tier with 100 calls / month. Paid plans start at €12.85 / 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 Fence Calculator API GDPR-compliant?
All requests to Fence Calculator 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/fence-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/fence-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/fence-api/SOME_PATH");
curl_setopt($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/fence-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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