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API · /stackexchange-api

Stack Exchange API

healthy 4,562 Subscribers

Search Stack Overflow and the Stack Exchange network — questions by relevance with scores, answer counts and tags, full question details, and user profiles with reputation, badges and location. Ideal for developer tools, tech-trend monitoring, Q&A aggregation and reputation lookups.

#stackoverflow #stackexchange #questions #developer #programming #qa #dev-tools
api.oanor.com/stackexchange-api
Get an API key Try in playground → Contact provider

Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
632 ms
Server probes · 24h
Subscribers
4,562
active
Total calls
39
last 7 days
status Full status page → · 39 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 4,000 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 4,000 requests/month at 2 rps
  • Question search + question details
  • No credit card
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Basic

€8.00 /month

  • 60,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 60,000 requests/month at 8 rps
  • Adds user profiles: reputation, badges, location
  • Commercial use allowed
  • Email support
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Pro

€24.00 /month

  • 300,000 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 300,000 requests/month at 20 rps
  • Full Stack Exchange network search across all sites
  • Pooled-quota access beyond the 10k/day upstream cap
  • Priority email support
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Mega

€99.00 /month

  • 1,500,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 1,500,000 requests/month at 50 rps
  • All endpoints + bulk question/user lookups
  • 99.9% uptime SLA
  • Priority support
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Built by

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Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Stack Exchange API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Stack Exchange API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Stack Exchange 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 Stack Exchange API cost?
Stack Exchange API has a free tier with 100 calls / month. Paid plans start at €8.00 / 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 Stack Exchange API GDPR-compliant?
All requests to Stack Exchange 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/stackexchange-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/stackexchange-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/stackexchange-api/SOME_PATH");
curl_setopt($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/stackexchange-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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