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API · /cryptorsi-api

Crypto RSI & Oscillator Screener API

healthy 4,245 Subscribers

Which coins are overbought or oversold right now, computed live from Binance candles — no key, nothing stored. Momentum oscillators are the classic mean-reversion signals: a Relative Strength Index (RSI) above 70 says a coin is overbought and stretched, below 30 oversold and washed out, while the Stochastic oscillator times the turn within the recent range. The oscillators endpoint fetches a pair's candles and returns its Wilder RSI(14), the Stochastic %K and %D, and a plain signal (overbought, oversold or neutral) on a chosen timeframe. The screener endpoint scans a basket of coins and surfaces the ones that are currently overbought (possible pullback) and oversold (possible bounce), ranked by how stretched they are. The symbols endpoint lists tradable pairs. This is the coin-native oscillator / mean-reversion screener cut for crypto — it fetches the live data itself, distinct from the generic oscillator calculators (which you feed your own OHLC), the momentum trend-alignment, the Donchian breakout and the candlestick-pattern APIs in the catalogue. Pairs are Binance symbols (BTCUSDT) or a coin=BTC&quote=USDT form; interval is 1h/4h/1d/1w.

#rsi #oscillator #overbought-oversold #mean-reversion #crypto #trading #binance
api.oanor.com/cryptorsi-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
212 ms
Server probes · 24h
Subscribers
4,245
active
Total calls
0
last 7 days
status Full status page → · 4 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 450 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 450 calls/month
  • 2 req/sec
  • Oscillators + screener + symbols
  • No credit card
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Starter

€10.66 /month

  • 12,400 calls / month
  • 6 requests / second
  • Hard cap (429 above quota, no overage)
  • 12,400 calls/month
  • 6 req/sec
  • RSI + Stochastic, all intervals
  • Email support
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Pro

€33.88 /month

  • 74,000 calls / month
  • 16 requests / second
  • Hard cap (429 above quota, no overage)
  • 74,000 calls/month
  • 16 req/sec
  • Mean-reversion screening pipelines
  • Priority support
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Business

€77.40 /month

  • 380,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 380,000 calls/month
  • 40 req/sec
  • Trading-desk scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Technical Indicators API

Live technical-analysis indicators that traders and trading bots run on a price series, computed on demand from the closes you pass in — no key, nothing cached. Get Wilder's RSI; the MACD line, signal line and histogram; the upper, middle and lower Bollinger Bands with bandwidth and %B; and simple or exponential moving averages. Every value is computed live from your input and works for any market — forex, stocks, crypto or commodities. A technical-indicator engine, distinct from raw price feeds and from pivot/fibonacci level tools: it turns a series of prices into the momentum, trend and volatility indicators a strategy acts on.

api.oanor.com/technicals-api

FX Signals API

Live FX technical-analysis signals as an API, computed from European Central Bank daily reference rates. For any currency pair it builds the daily cross-rate series and returns the classic indicators traders watch — 20- and 50-day moving averages and their crossover (golden / death cross), a 14-day RSI (overbought / oversold) and momentum — rolled up into a simple bullish / neutral / bearish verdict. Get a pair's signal, its raw indicators with the recent closes, or scan a whole basket for the strongest setups. A ready-made signal layer for forex, trading and dashboard apps. Live, no key. Educational, not financial advice. Distinct from raw-rate, strength, volatility and correlation APIs.

api.oanor.com/fxsignals-api

Stochastic & Oscillators API

Live OHLC momentum-oscillator analytics that traders run to spot overbought and oversold turns, computed on demand from the OHLC candles you pass in — no key, no cache, nothing stored. The stochastic endpoint returns the Stochastic Oscillator %K and %D, the classic measure of where the close sits inside its recent high-low range, with the %D signal line. The williams endpoint returns Williams %R, the same idea on a -100 to 0 scale. The cci endpoint returns the Commodity Channel Index, which flags how far the typical price has strayed from its average. Each result comes with an overbought or oversold reading so you can act on it immediately. These oscillators all need the full high, low and close — that makes them a different tool from closes-only indicator APIs like RSI and MACD, and from volatility and ATR tools: they measure momentum by where price sits within its range. Works for any market — forex, stocks, crypto or commodities — because you supply the candles. Computed locally and deterministically, so it is instant and private. Ideal for trading bots, screeners, signal dashboards and back-tests. Stochastic period defaults to 14 (smoothing 3); CCI to 20; Williams %R to 14. Live, nothing stored. 3 compute endpoints. For RSI, MACD or Bollinger Bands use a technical-indicators API.

api.oanor.com/oscillators-api

555 Timer Calculator API

555-timer (NE555) astable and monostable design as an API, computed locally and deterministically. The astable endpoint designs the classic oscillator: from the two timing resistors R1 and R2 and the capacitor it returns the output frequency f = 1/(ln2·(R1+2R2)·C), the high and low times (T_high = ln2·(R1+R2)·C, T_low = ln2·R2·C), the period and the duty cycle (R1+R2)/(R1+2R2), or solves the capacitor for a target frequency. The monostable endpoint designs the one-shot timer, T = 1.1·R·C — the pulse width of a single output pulse — and solves for whichever of the resistance, capacitance or pulse width you leave out. The design endpoint works backwards: from a target frequency, a chosen capacitor and a duty cycle it computes the resistor values R1 and R2 you need (a standard 555 needs a duty above 50 %). Capacitors may be entered in farads, microfarads, nanofarads or picofarads. Everything is computed locally and deterministically, so it is instant and private. Ideal for electronics-hobbyist and maker tools, oscillator, blinker, PWM and timing-circuit design, and electronics education. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is 555-timer design; for Ohm's law, reactance and RC time constants use an Ohm's-law API.

api.oanor.com/timer555-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Crypto RSI & Oscillator Screener API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Crypto RSI & Oscillator Screener API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Crypto RSI & Oscillator Screener 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 Crypto RSI & Oscillator Screener API cost?
Crypto RSI & Oscillator Screener API has a free tier with 100 calls / month. Paid plans start at €10.66 / 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 Crypto RSI & Oscillator Screener API GDPR-compliant?
All requests to Crypto RSI & Oscillator Screener 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/cryptorsi-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/cryptorsi-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/cryptorsi-api/SOME_PATH");
curl_setopt($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/cryptorsi-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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