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API · /soap-api

Soap Making API

healthy 4,002 Subscribers

Soap-making and saponification maths as an API, computed locally and deterministically — the lye-calculator numbers every cold- and hot-process soaper needs, with the safety margin built in. The lye endpoint takes a list of oils as oil:grams pairs (olive, coconut, palm, shea, castor, lard, tallow and a couple of dozen more, each with its standard SAP value) and returns the sodium hydroxide (NaOH) or potassium hydroxide (KOH) to saponify them: lye = Σ(oil grams × SAP) × (1 − superfat), so 1 kg of coconut oil at 5 % superfat needs 169.1 g of NaOH (or 263.6 g of 90 %-pure KOH for liquid soap). It sizes the water by lye-to-water ratio, percentage of oils, or lye-solution concentration, adds the fragrance (a few percent of the oils) and totals the batch weight. The mould endpoint sizes a batch to a mould: oils to fill it ≈ volume(cm³) × 0.40, from a volume or length × width × height. SAP values are grams of NaOH per gram of oil. Everything is computed locally and deterministically, so it is instant and private. Ideal for soap-making, cosmetics, handmade-craft and maker app developers, lye-calculator and recipe tools, and soaping education. Pure local computation — no key, no third-party service, instant. Metric: grams, cm³, percent. Live, nothing stored. 2 compute endpoints. Lye is caustic — wear protection and double-check a new recipe; this is a planning aid.

#soap #saponification #lye #cold-process #craft #developer-tools
api.oanor.com/soap-api
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Machine-readable spec so AI agents can integrate this API.

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

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

Soap Making API — live data on the oanor API marketplace

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
78 ms
Server probes · 24h
Subscribers
4,002
active
Total calls
57
last 7 days
status Full status page → · 6 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 5,950 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 5,950 calls/month
  • 2 req/sec
  • Lye calculator + mould sizing
  • No credit card
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Starter

€3.50 /month

  • 58,000 calls / month
  • 6 requests / second
  • Hard cap (429 above quota, no overage)
  • 58,000 calls/month
  • 6 req/sec
  • NaOH/KOH, superfat, 3 water methods
  • Email support
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Pro

€9.90 /month

  • 238,000 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 238,000 calls/month
  • 15 req/sec
  • Recipe & batch pipelines
  • Priority support
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Mega

€31.50 /month

  • 1,380,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 1,380,000 calls/month
  • 40 req/sec
  • Platform scale
  • Dedicated SLA
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Candle-making maths as an API, computed locally and deterministically — the wax, fragrance and burn-time numbers a chandler scales a batch with. The recipe endpoint sizes a pour from the container water volume: wax (g) per candle = volume(ml) × fill% × wax density (soy ≈ 0.9, beeswax ≈ 0.96, paraffin ≈ 0.9 g/ml), so a 250 ml jar at 80 % fill takes 180 g of soy wax; it adds the fragrance oil at the load percentage (commonly 6–10 %, never above the wax's maximum) and multiplies everything by the number of candles for the total wax, total fragrance and batch weight. The burn endpoint estimates how long a candle lasts: burn time ≈ wax grams ÷ burn rate, where a typical container candle consumes about 7–9 g of wax an hour. Everything is computed locally and deterministically, so it is instant and private. Ideal for candle-making, home-fragrance, handmade-craft and maker app developers, batch-calculator and recipe tools, and chandlery education. Pure local computation — no key, no third-party service, instant. Metric: millilitres, grams, percent. Live, nothing stored. 2 compute endpoints. A planning aid — pour tests and your wax datasheet always win.

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The open music-metadata database as an API — artists, release-groups (albums), releases, recordings and labels, identified by stable MusicBrainz IDs (MBIDs), returned as clean JSON. Search any entity by name or Lucene query; look up an artist with their external links and tags, an album, a release with its full track list, a recording with its ISRCs, or a label; and browse an artist's complete discography. Live data with MBIDs, disambiguations, types, countries, life spans, ISRCs, barcodes, catalogue numbers and relations — the canonical identifiers that link and de-duplicate music data across services. Ideal for metadata enrichment and matching, music catalogues, tagging and library tools, and research. 11 data endpoints. Authenticated with an x-oanor-key; fair-use rate limits per plan.

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Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Soap Making API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Soap Making API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Soap Making 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 Soap Making API cost?
Soap Making API has a free tier with 100 calls / month. Paid plans start at €3.50 / 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 Soap Making API GDPR-compliant?
All requests to Soap Making 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/soap-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/soap-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/soap-api/SOME_PATH");
curl_setopt($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/soap-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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