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API · /paracord-api

Paracord API

healthy 3,815 Subscribers

Paracord-craft maths as an API, computed locally and deterministically — the cord-length numbers a paracord crafter cuts a project to. The bracelet endpoint sizes the cord from the finished length and the weave using the well-known rule of thumb — about a foot of cord per inch of work for a cobra (Solomon) bar, double that for a king cobra, less for a fishtail — so an 8-inch cobra bracelet takes around 9 feet of cord including a foot of waste for the tails; give it a wrist measurement instead and it adds the fit ease and the buckle to get the finished length first, so a 7-inch wrist comes out near 10 feet. The weave endpoint generalises it to any project — lanyards, belts, dog leashes — as cord = finished length × cord-per-inch × the number of working strands, with the weave factors built in or your own cord-per-inch, and answers in inches, feet and metres. Everything is computed locally and deterministically, so it is instant and private. Ideal for paracord, survival-gear, scouting, craft and maker app developers, project-estimator and cut-list tools, and DIY software. Pure local computation — no key, no third-party service, instant. Rules of thumb — cut long and trim. Live, nothing stored. 2 compute endpoints.

#paracord #survival #crafts #scouting #maker #developer-tools
api.oanor.com/paracord-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
101 ms
Server probes · 24h
Subscribers
3,815
active
Total calls
3
last 7 days
status Full status page → · 6 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 6,620 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 6,620 calls/month
  • 2 req/sec
  • Bracelet + weave cord length
  • No credit card
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Starter

€4.11 /month

  • 57,600 calls / month
  • 6 requests / second
  • Hard cap (429 above quota, no overage)
  • 57,600 calls/month
  • 6 req/sec
  • Weave factors, wrist sizing, strands, m/ft
  • Email support
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Pro

€11.56 /month

  • 233,500 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 233,500 calls/month
  • 15 req/sec
  • Project-estimator & cut-list pipelines
  • Priority support
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Mega

€36.55 /month

  • 1,357,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 1,357,000 calls/month
  • 40 req/sec
  • Platform scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Fuse Bead API

Fuse-bead maths as an API, computed locally and deterministically — the bead-count, pegboard and colour numbers a Perler, Hama or melty-bead crafter plans a pixel design with. The grid endpoint turns a width × height pixel pattern into the real build: total beads = width × height, pegboards = ⌈width ÷ board⌉ × ⌈height ÷ board⌉ (a 29-peg square board for midi beads), and the finished size = beads × the bead pitch — so a 58 × 58 midi design is 3,364 beads, four pegboards and about 29 × 29 cm, in millimetres, centimetres and inches, with midi at 5 mm, mini at 2.6 mm and biggie at 9–10 mm. The palette endpoint splits the beads by colour: give it the total and a list of colour percentages and it returns the count per colour (normalised by the percent sum, so it works even when they don’t add to exactly 100) and the bags to buy at about a thousand beads each, or pass raw counts to bag them directly. Everything is computed locally and deterministically, so it is instant and private. Ideal for fuse-bead, pixel-art, kids-craft and maker app developers, pattern-to-shopping-list and project-estimator tools, and craft software. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 2 compute endpoints. For cross-stitch fabric counts use a different API.

api.oanor.com/fusebead-api

Chainmaille API

Chainmaille maths as an API, computed locally and deterministically — the aspect-ratio and ring numbers a maille artist weaves to. The aspect endpoint computes the all-important Aspect Ratio = inner diameter ÷ wire diameter, and solves for whichever of the three you are missing, then lists the weaves that ring will make: AR, not absolute size, decides everything — too low and the rings won’t close through each other, too high and the weave goes floppy, so a 6.4 mm ID on 1.6 mm wire is AR 4.0, good for European 4-in-1, Byzantine, box chain and more. The ring endpoint does the material maths: wire per ring ≈ π × (inner diameter + wire diameter) — the mean-diameter circumference — so those AR-4 rings take about 25 mm of wire each and weigh roughly 0.4 g in steel; pass a wire length to get how many rings it yields, or a ring count to get the total wire and weight, in any of nine metals from aluminium to silver. Everything is computed locally and deterministically, so it is instant and private. Ideal for chainmaille, jewelry, cosplay-armour and maker app developers, ring-buying and project-estimator tools, and craft software. Pure local computation — no key, no third-party service, instant. Dimensions in mm. Live, nothing stored. 2 compute endpoints. For wire-gauge ↔ mm use a wire-gauge API.

api.oanor.com/chainmaille-api

Leathercraft API

Leathercraft maths as an API, computed locally and deterministically — the weight, area and strap numbers a leatherworker, saddler or maker cuts a project by. The thickness endpoint handles the quirk that leather “weight” is really a thickness: one ounce equals one sixty-fourth of an inch, or 0.397 mm, so 8 oz leather is 3.18 mm — and it converts in either direction between ounces, millimetres and inches and suggests typical uses, from 2–3 oz linings and wallets up to 9 oz-plus belts and saddlery. The area endpoint converts hide area between the US square foot, the European square decimetre (1 ft² = 9.29 dm²) and square metres, and sizes a project: given the leather a project needs and a waste allowance — 25–40 % is normal because hides have irregular edges and flaws — it returns the usable area and how many hides to buy. The strap endpoint counts straps cut from a rectangular piece (count = ⌊width ÷ strap width⌋, each as long as the piece) or the continuous lace length a spiral cut yields from an area (length = area ÷ width). Everything is computed locally and deterministically, so it is instant and private. Ideal for leatherwork, saddlery, crafting, bag-making and maker app developers, project-estimator and material-cost tools, and workshop software. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 compute endpoints.

api.oanor.com/leather-api

Resin & Epoxy API

Casting and epoxy-resin maths as an API, computed locally and deterministically — the mix, coverage and mould-volume numbers a resin artist, crafter or maker pours a project by. The mix endpoint splits a two-part resin by its label ratio: resin = total × A/(A+B), hardener = total × B/(A+B), from whichever quantity you know — the total, the resin or the hardener — so a 2:1 epoxy for 300 ml is 200 + 100, and a 100:45 by-weight system for 100 g of resin needs 45 g of hardener; it keeps your unit (ml, grams, fl oz) and reminds you that some resins mix by volume and others by weight. The coverage endpoint sizes a flood or seal coat: volume = area × thickness, in metric or US units, returned in millilitres, fluid ounces and gallons plus the mass — matching the familiar art-resin rule of about a gallon per 12 ft² at an eighth of an inch. The moldfill endpoint computes the volume of a box, cylinder, sphere or cone mould (a 10×10×5 cm box is 500 ml, 550 g at epoxy’s ~1.1 g/cm³) and subtracts the displacement of anything you embed, so you never over- or under-pour. Everything is computed locally and deterministically, so it is instant and private. Ideal for resin-art, craft, jewelry, model-making, river-table and maker app developers, project-estimator and material-cost tools, and studio software. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 compute endpoints. For pot life and cure follow the product data sheet.

api.oanor.com/resin-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Paracord API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Paracord API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Paracord 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 Paracord API cost?
Paracord API has a free tier with 100 calls / month. Paid plans start at €4.11 / 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 Paracord API GDPR-compliant?
All requests to Paracord 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/paracord-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/paracord-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/paracord-api/SOME_PATH");
curl_setopt($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/paracord-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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