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API · /solarthermal-api

Solar Thermal API

healthy 3,962 Subscribers

Solar-thermal (solar hot water) maths as an API, computed locally and deterministically — the collector, sizing and storage numbers a solar installer or homeowner designs a hot-water system with. The output endpoint gives the useful daily heat a collector makes: area × the daily solar energy on it × the collector efficiency (flat-plate ~40–60 %, evacuated tubes higher), so a 40 ft² collector under 1,800 BTU/ft²/day at 50 % delivers about 36,000 BTU (10.5 kWh) — a family's hot water on a good day. The area endpoint sizes the collector for a demand: area = (daily gallons × 8.34 × the temperature rise) ÷ (irradiance × efficiency), so 60 gallons raised 70 °F needs about 39 ft² — sized for an average day with a backup heater, since a 60–80 % solar fraction is the economic sweet spot. The tank endpoint sizes solar storage at about 1.5 gallons per square foot of collector, big enough to bank a sunny afternoon without stalling the collector. Everything is computed locally and deterministically, so it is instant and private. Ideal for solar-installer and renewable-energy apps, hot-water-system design tools, home-energy calculators, and sustainability sites. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 compute endpoints. For the local solar resource use a solar-irradiance API; for pool heating use a pool API.

#solar-thermal #solar-hot-water #renewable #collector #energy #developer-tools
api.oanor.com/solarthermal-api
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Machine-readable spec so AI agents can integrate this API.

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

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

Solar Thermal API — live data on the oanor API marketplace

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
77 ms
Server probes · 24h
Subscribers
3,962
active
Total calls
80
last 7 days
status Full status page → · 16 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 510 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 510 calls/month
  • 2 req/sec
  • Output + area + tank
  • No credit card
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Starter

€4.95 /month

  • 13,300 calls / month
  • 6 requests / second
  • Hard cap (429 above quota, no overage)
  • 13,300 calls/month
  • 6 req/sec
  • Collector sizing
  • Email support
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Pro

€16.70 /month

  • 83,500 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 83,500 calls/month
  • 15 req/sec
  • Installer & design pipelines
  • Priority support
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Mega

€50.20 /month

  • 268,000 calls / month
  • 36 requests / second
  • Hard cap (429 above quota, no overage)
  • 268,000 calls/month
  • 36 req/sec
  • Platform scale
  • Dedicated SLA
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Great Britain\x27s electricity grid carbon intensity as an API, from the official National Grid ESO Carbon Intensity service. Get the live national carbon intensity in grams of CO2 per kWh with its index (very low to very high), the current generation mix showing exactly how much of the grid is gas, wind, solar, nuclear, biomass, hydro, coal and imports right now (with the renewable and zero-carbon percentages worked out for you), today\x27s half-hourly intensity timeline, the carbon intensity of all 18 GB regions, the intensity and fuel mix for any UK postcode, and the gCO2/kWh emission factor of each fuel type. This is exactly the data you need to shift EV charging, heat pumps, laundry and batteries to the greenest, cheapest half-hours. Perfect for smart-home and energy apps, EV-charging schedulers, sustainability dashboards, carbon-aware computing and climate tools. Covers Great Britain. No accounts, no upstream key.

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Front-Month Futures Quotes API

Live continuous front-month (1!) quotes for the major liquid futures across every asset class, with no key: precious & base metals (gold, silver, copper, platinum), energy (WTI crude, natural gas, gasoline, heating oil), grains (wheat, corn, soybeans), softs (coffee, sugar, cocoa, cotton), livestock, equity-index (E-mini S&P 500, Nasdaq, Dow, Russell), interest-rate (2/5/10/30-year Treasuries) and FX futures from COMEX, NYMEX, CBOT, CME, CME_MINI and ICE US. Get a per-contract quote by short code (GC, CL, ES, ZW) with last price, % change and intraday OHLC, a full cross-asset board, or a per-category cut — a curated board of the contracts that actually trade.

api.oanor.com/cmefutures-api

 Commodity Movers & Performance API — oanor API marketplace

Commodity Movers & Performance API

What is moving across the commodity complex right now, computed live from Yahoo Finance futures (no key, nothing stored). Just as stock, FX and crypto traders watch the day's biggest gainers and losers, commodity traders want the same board for energy, metals, grains, softs and livestock. For every commodity this measures the change on the day, the week and the month, the day's high and low, the 52-week high and low and where the price sits in that 52-week range. The movers endpoint returns the whole complex ranked by daily change — the top gainers and losers — plus the weekly and monthly leaders, and can be filtered to one sector. The commodity endpoint returns one commodity's full performance card. The commodities endpoint lists what is covered. The commodity movers / performance-board cut — distinct from the commodity-momentum API (which ranks by a blended multi-month momentum factor and trend regime), the commodity-price feed, the commodity-spreads and the seasonality APIs. It answers what moved today, across the complex.

api.oanor.com/commoditymovers-api

 Commodity Seasonality API — oanor API marketplace

Commodity Seasonality API

The calendar patterns commodity traders position around, computed live from ~10 years of Yahoo Finance monthly futures data (no key, nothing stored). Commodities are the most seasonal market there is: natural gas tends to rally into winter heating demand, gasoline into the summer driving season, grains around the planting and harvest calendar. This measures it directly — for each commodity it takes a decade of monthly returns, groups them by calendar month, and returns the average return in each of the twelve months, the share of years that month was positive (the win rate), and the historically strongest and weakest months. The seasonality endpoint returns one commodity's full 12-month seasonal profile plus the current month's historical bias. The month endpoint flips it around: for a given calendar month it ranks every commodity by its historical average return, so you can see what is seasonally bullish or bearish right now. The commodities endpoint lists what is covered. The commodity-seasonality / calendar-pattern cut — distinct from the FX-seasonality API (currencies), the commodity-price feed, the commodity-spreads and the commodity-momentum APIs. It answers what a commodity usually does this month, not what it costs today.

api.oanor.com/commodityseasonality-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Solar Thermal API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Solar Thermal API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Solar Thermal 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 Solar Thermal API cost?
Solar Thermal API has a free tier with 100 calls / month. Paid plans start at €4.95 / 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 Solar Thermal API GDPR-compliant?
All requests to Solar Thermal 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/solarthermal-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/solarthermal-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/solarthermal-api/SOME_PATH");
curl_setopt($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/solarthermal-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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