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API · /advice-api

Advice Slip API

healthy 3,175 Subscribers

Short pieces of advice via the open Advice Slip API — no key. The random endpoint returns a random advice slip; the advice endpoint fetches a specific slip by its id; and the search endpoint finds slips containing a phrase. Each slip carries its id and advice text. Real advice, with id lookups cached for speed — no key. 4 endpoints. Ideal for daily-advice widgets, chatbots, fortune-cookie features, loading screens and onboarding delight.

#advice #wisdom #tips #fun #entertainment #quotes
api.oanor.com/advice-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
1206 ms
Server probes · 24h
Subscribers
3,175
active
Total calls
44
last 7 days
status Full status page → · 12 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 7,400 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 7,400 calls/month
  • 2 req/sec
  • Random + by-id + search
  • No credit card
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Basic

€4.50 /month

  • 99,500 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 99.5k calls/month
  • 8 req/sec
  • Full-text search
  • Email support
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Pro

€20.00 /month

  • 563,500 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 563.5k calls/month
  • 20 req/sec
  • Widget scale
  • Priority support
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Mega

€60.00 /month

  • 2,740,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 2.74M calls/month
  • 50 req/sec
  • Platform scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Quotes API

A collection of 1,600+ famous quotes from 600+ authors. Fetch a random quote (optionally filtered by author), look one up by id, search the full collection by text or author, and browse the author directory. Perfect for daily-quote widgets, dashboards, apps and inspiration features.

api.oanor.com/quotes-api

US Debt Composition API

What the US national debt is actually made of, served from the Treasury's Monthly Statement of the Public Debt. The headline debt-to-the-penny figure is one number; this is the breakdown — how the roughly $39 trillion splits across Treasury Bills, Notes, Bonds, TIPS and Floating-Rate Notes (the marketable, tradable debt) versus the non-marketable debt (the Government Account Series held by federal trust funds, Savings Bonds, and State and Local Government Series). The composition endpoint returns the latest full breakdown by security class, each with its share of the total and its split between debt held by the public and intragovernmental holdings. The marketable endpoint isolates the tradable securities (Bills/Notes/Bonds/TIPS/FRN) with each one's share of marketable debt — the issuance mix that rates traders and the Treasury's quarterly refunding watch. The history endpoint returns one security class's outstanding amount month by month. This is the debt-structure data-cut, distinct from the debt-to-the-penny total, the fiscal-deficit and the yield-curve APIs in the catalogue. Live, updated monthly, no key on the upstream, nothing stored.

api.oanor.com/debtcomposition-api

TIPS Real Yields & Breakeven Inflation API

The inflation-adjusted side of the US Treasury yield curve, served from the Treasury's official daily feeds. The realyields endpoint returns the latest TIPS real yield curve — the inflation-protected (real) yield at the 5, 7, 10, 20 and 30-year maturities. The breakeven endpoint returns market-implied inflation: at each maturity it takes the nominal Treasury yield minus the real yield, which is the average annual inflation rate the bond market is pricing in over that horizon, and returns it alongside the nominal and real components. The history endpoint returns the daily time series of the real yield, the nominal yield and the breakeven inflation rate for one maturity over a year. A 10-year breakeven of 2.3 means the market is pricing roughly 2.3% average inflation over the next decade — a core gauge for rates traders, macro funds and inflation hedgers. This is the real-yield and inflation-expectations data-cut — distinct from the nominal yield-curve, the world-government-bond and the central-bank-rate APIs in the catalogue. Live, no key on the upstream, nothing stored.

api.oanor.com/realyields-api

Useless Facts API

Random and daily trivia facts via the open Useless Facts API — no key. The random endpoint returns a surprising, mostly-useless fact; the today endpoint returns the fact of the day; and both are available in English or German, each fact carrying its source attribution, source URL and a permalink. Real curated facts, with the daily fact cached for speed — no key. 3 endpoints. Ideal for daily-fact widgets, newsletters, chatbots, loading screens and onboarding delight.

api.oanor.com/uselessfacts-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Advice Slip API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Advice Slip API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Advice Slip 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 Advice Slip API cost?
Advice Slip API has a free tier with 100 calls / month. Paid plans start at €4.50 / 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 Advice Slip API GDPR-compliant?
All requests to Advice Slip 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/advice-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/advice-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/advice-api/SOME_PATH");
curl_setopt($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/advice-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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