Oil for a fuel volume
API · /twostroke-api
Two-Stroke Mix API
healthy
4,659 Subscribers
Two-stroke premix maths as an API, computed locally and deterministically — the gas-to-oil numbers anyone running a chainsaw, string trimmer, leaf blower, outboard, dirt bike or RC engine mixes fuel by. The mix endpoint gives the oil to add to a tank of fuel at a given ratio: oil = fuel ÷ ratio, so one US gallon at 50:1 needs about 75.7 ml (2.6 fl oz) of two-stroke oil, 40:1 about 94.6 ml (3.2 fl oz) and 32:1 about 118 ml (4.0 fl oz), and it returns the total mix and the oil percentage too, in litres, gallons, millilitres or fluid ounces. The ratio endpoint runs it the other way — measure the fuel and the oil you actually put in and it tells you the real N:1 ratio, the oil percentage and the nearest common ratio, so you can check a mix or reverse-engineer a pre-mixed can. Get it wrong and it matters: too little oil and the engine seizes, too much and it fouls plugs and smokes — so always use the ratio in your tool’s manual. Everything is computed locally and deterministically, so it is instant and private. Ideal for small-engine, outdoor-power-equipment, marine, powersports and DIY app developers, fuel-mixing and shop tools, and maintenance software. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 2 compute endpoints.
api.oanor.com/twostroke-api
API health
healthy- Uptime
- 100.00%
- Server probes · 24h
- Avg latency
- 87 ms
- Server probes · 24h
- Subscribers
- 4,659
- active
- Total calls
- 57
- last 7 days
Pricing
Pick a tier — billed monthly, cancel anytime.
Free
Free
- 6,880 calls / month
- 2 requests / second
- Hard cap (429 above quota, no overage)
- 6,880 calls/month
- 2 req/sec
- Premix oil + ratio identify
- No credit card
Starter
€4.23 /month
- 55,900 calls / month
- 6 requests / second
- Hard cap (429 above quota, no overage)
- 55,900 calls/month
- 6 req/sec
- l/gal/ml/floz, oil %, nearest ratio
- Email support
Pro
€11.62 /month
- 229,800 calls / month
- 15 requests / second
- Hard cap (429 above quota, no overage)
- 229,800 calls/month
- 15 req/sec
- Fuel-mixing & shop-tool pipelines
- Priority support
Mega
€37.15 /month
- 1,334,000 calls / month
- 40 requests / second
- Hard cap (429 above quota, no overage)
- 1,334,000 calls/month
- 40 req/sec
- Platform scale
- Dedicated SLA
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Frequently asked questions
Quick answers about pricing, quotas, and integration.
How do I get an API key for Two-Stroke Mix API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Two-Stroke Mix API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Two-Stroke Mix 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 Two-Stroke Mix API cost?
Two-Stroke Mix API has a free tier with 100 calls / month. Paid plans start at €4.23 / 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 Two-Stroke Mix API GDPR-compliant?
All requests to Two-Stroke Mix 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/twostroke-api/SOME_PATH \
-H "x-oanor-key: oanor_test_..."const res = await fetch("https://api.oanor.com/twostroke-api/SOME_PATH", {
headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();$ch = curl_init("https://api.oanor.com/twostroke-api/SOME_PATH");
curl_setopt($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/twostroke-api/SOME_PATH",
headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())Ratings
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