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API · /tatoeba-api

Example Sentences API

healthy 4,409 Subscribers

Real example sentences with human translations as an API — powered by Tatoeba, the large collaborative corpus of millions of sentences in hundreds of languages, each linked to translations contributed and reviewed by real people (not machine translation). Search for sentences containing a word or phrase in one language and get how they are actually translated into another — perfect for seeing a word "in the wild", building vocabulary and flashcards, or as a human-quality translation aid. Look up any sentence by id to get its full set of translations. From "good morning" in English to its German, French, Spanish, Japanese or Mandarin equivalents, across ISO-639-3 languages, it is ideal for language-learning, vocabulary, flashcard, dictionary-companion and linguistics applications. A human-translated example-sentence corpus — distinct from dictionaries (definitions), machine translation and word APIs. Open data from Tatoeba (CC-BY 2.0 FR / CC0).

#language-learning #translation #sentences #languages #education #linguistics
api.oanor.com/tatoeba-api
Get an API key Try in playground → Contact provider

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

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
869 ms
Server probes · 24h
Subscribers
4,409
active
Total calls
12
last 7 days
status Full status page → · 15 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 3,100 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 3,100 calls/month
  • 2 req/sec
  • Search + sentence + translations
  • No credit card
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Starter

€7.70 /month

  • 64,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 64k calls/month
  • 8 req/sec
  • Cross-language translations
  • Email support
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Pro

€24.20 /month

  • 300,000 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 300k calls/month
  • 20 req/sec
  • Language-learning apps
  • Priority support
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Mega

€63.50 /month

  • 1,050,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 1.05M calls/month
  • 50 req/sec
  • Education platform
  • Dedicated SLA
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Built by

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Get the localized display name of a code in any language — countries and regions, languages, currencies, scripts and calendars. Pass a code, a type and a locale and the name endpoint returns the right name: US as region in fr gives "États-Unis", de as language in fr gives "allemand", EUR as currency gives "Euro", and the same code reads correctly in German, Japanese, Arabic or any other locale. The list endpoint returns every code of a type localized and sorted in that locale's collation — ideal for building a country, language or currency dropdown in any language. Powered by the platform's full ICU data (Intl.DisplayNames) and computed locally with no network calls. Built for internationalised forms and pickers, multilingual UIs, localized reports and onboarding. A localized-names resolver — distinct from country reference data in English (countries), number and currency formatting (numberformat) and locale date formatting (datelocale). No upstream key, no cache.

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Languages API

A clean reference for the world’s languages. Look up any language by its ISO 639-1 (two-letter) or ISO 639-2 (three-letter) code or by name, search by English or native name, list every language with an optional right-to-left filter, or group languages by family. Each entry includes the ISO codes, English and native names, language family, a right-to-left flag and a Wikipedia link. Built on the open ISO 639 dataset and served entirely in-memory, so responses are instant and the service is always available. Ideal for internationalization and localization, language pickers and selectors, content tagging and developer tooling.

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Countries API

Reference data for all 250 countries and territories — capitals, ISO codes (alpha-2/alpha-3), currencies, languages, flags, population, area, borders, calling codes and more. Look up by name, ISO code, region, currency or language.

api.oanor.com/countries-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Example Sentences API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Example Sentences API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Example Sentences 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 Example Sentences API cost?
Example Sentences API has a free tier with 100 calls / month. Paid plans start at €7.70 / 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 Example Sentences API GDPR-compliant?
All requests to Example Sentences 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/tatoeba-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/tatoeba-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/tatoeba-api/SOME_PATH");
curl_setopt($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/tatoeba-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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