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API · /dividend-api

Dividend & Valuation API

healthy 4,714 Subscribers

Stock dividend and valuation fundamentals as an API, computed locally and deterministically — the per-share ratios value and income investors screen on. The dividend endpoint takes a share price and an annual dividend (per share, or total dividends ÷ shares) and returns the dividend yield, and with earnings per share the payout ratio (dividend ÷ EPS), the dividend coverage (EPS ÷ dividend) and the retention ratio — a $2 dividend on a $50 share yields 4 %, and on $4 EPS is a 50 % payout covered twice. The valuation endpoint computes the price-to-earnings ratio, earnings yield, the PEG ratio against a growth rate, the price-to-book ratio and the Graham number √(22.5 · EPS · book value) — Benjamin Graham's rough fair-value ceiling. The ddm endpoint runs the Gordon Growth dividend discount model, fair value = D1 ÷ (r − g) from next year's dividend, the required return and the perpetual growth rate, and against a market price flags whether the share looks under- or over-valued and the implied cost of equity. Everything is computed locally and deterministically, so it is instant and private. Ideal for investing, brokerage, robo-advisor, dividend-screener and fintech app developers, stock-valuation and income-portfolio tools, and finance education. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 compute endpoints. These are valuation ratios from your inputs; for live quotes use a market-data API and for project DCF/NPV an investment-appraisal API.

#dividend #valuation #pe-ratio #graham-number #investing #developer-tools
api.oanor.com/dividend-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
99 ms
Server probes · 24h
Subscribers
4,714
active
Total calls
84
last 7 days
status Full status page → · 12 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 3,850 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 3,850 calls/month
  • 2 req/sec
  • Dividend + valuation + DDM
  • No credit card
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Starter

€7.20 /month

  • 40,000 calls / month
  • 6 requests / second
  • Hard cap (429 above quota, no overage)
  • 40,000 calls/month
  • 6 req/sec
  • Payout, PEG, P/B, Graham number
  • Email support
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Pro

€18.80 /month

  • 191,000 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 191,000 calls/month
  • 15 req/sec
  • Screener & robo-advisor pipelines
  • Priority support
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Mega

€55.50 /month

  • 1,090,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 1,090,000 calls/month
  • 40 req/sec
  • Platform scale
  • Dedicated SLA
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api.oanor.com/dca-api

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MIME Types API

The canonical MIME / media-type database (the jshttp mime-db used by Express and most of the Node ecosystem: IANA + Apache + nginx), served from memory — no key. Resolve a media type to its file extensions, charset and compressibility; reverse-lookup the media type(s) for a file extension (e.g. png → image/png); and search or list types by source. 2,600+ media types, 1,000+ with file extensions. Lean, predictable JSON. Ideal for upload validation, Content-Type resolution, file-type detection, download handlers and developer tooling.

api.oanor.com/mimetypes-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Dividend & Valuation API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Dividend & Valuation API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Dividend & Valuation 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 Dividend & Valuation API cost?
Dividend & Valuation API has a free tier with 100 calls / month. Paid plans start at €7.20 / 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 Dividend & Valuation API GDPR-compliant?
All requests to Dividend & Valuation 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/dividend-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/dividend-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/dividend-api/SOME_PATH");
curl_setopt($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/dividend-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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