Rhyming words
API · /words-api
Words API
healthy
4,012 Subscribers
Find words by meaning, sound and spelling — similar-meaning words (thesaurus), rhymes, autocomplete suggestions and wildcard spelling matches. Backed by Datamuse. Ideal for writing assistants, autocomplete, crosswords, word games, poetry tools and NLP preprocessing.
api.oanor.com/words-api
API health
healthy- Uptime
- 100.00%
- Server probes · 24h
- Avg latency
- 418 ms
- Server probes · 24h
- Subscribers
- 4,012
- active
- Total calls
- 96
- last 7 days
Pricing
Pick a tier — billed monthly, cancel anytime.
Free
Free
- 12,000 calls / month
- 2 requests / second
- Hard cap (429 above quota, no overage)
- 12,000 calls/month at 2 req/s
- Meaning, rhymes and autocomplete endpoints
- No credit card
Basic
€8.00 /month
- 120,000 calls / month
- 8 requests / second
- Hard cap (429 above quota, no overage)
- 120,000 calls/month at 8 req/s
- All endpoints: meaning, sound, spelling, wildcard
- Commercial use allowed
- Email support
Pro
€22.00 /month
- 600,000 calls / month
- 25 requests / second
- Hard cap (429 above quota, no overage)
- 600,000 calls/month at 25 req/s
- Wildcard and multi-constraint queries
- Higher concurrency for autocomplete
- Priority email support
Mega
€64.00 /month
- 2,500,000 calls / month
- 80 requests / second
- Hard cap (429 above quota, no overage)
- 2,500,000 calls/month at 80 req/s
- Burst-friendly autocomplete throughput
- 99.9% uptime SLA
- Priority support
Built by
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api.oanor.com/dictionary-api
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Stopwords API
Stopword lists and removal for 58 languages. Fetch the full stopword list for a language, see all supported languages with their word counts, check whether a single word is a stopword, or strip stopwords out of a block of text to get a clean keyword stream. Built on the open stopwords-iso dataset and served entirely in-memory, so responses are instant and the service is always available. Ideal for search indexing and relevance, NLP preprocessing and text mining, keyword extraction, tag generation and content tooling.
api.oanor.com/stopwords-api
Frequently asked questions
Quick answers about pricing, quotas, and integration.
How do I get an API key for Words API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Words API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Words 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 Words API cost?
Words 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 Words API GDPR-compliant?
All requests to Words 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/words-api/SOME_PATH \
-H "x-oanor-key: oanor_test_..."const res = await fetch("https://api.oanor.com/words-api/SOME_PATH", {
headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();$ch = curl_init("https://api.oanor.com/words-api/SOME_PATH");
curl_setopt($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/words-api/SOME_PATH",
headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())Ratings
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