Synonyms API (STANDS4)
FreemiumLiveLast verified 24 Sept 2026
Looks up synonyms, antonyms and a short definition for an English word, in XML or JSON.
Example request
curl -s 'https://www.stands4.com/services/v2/syno.php?uid=$UID&tokenid=$API_KEY&word=consistent&format=json'
Free tier, in plain English
Free for up to 100 queries a day; a paid commercial license is available by contacting STANDS4.
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