# Synonyms API **Provider:** Synonyms **Category:** ai **Base URL:** `https://www.synonyms.com` **Auth:** api-key — `Authorization: Bearer YOUR_TOKEN` **Rate Limit:** Not officially published **Free Tier:** Yes — available **Pricing:** Enterprise / contact sales (subscription) **Docs:** https://www.synonyms.com/synonyms_api.php ## Description Synonyms, thesaurus and antonyms information for any given word ## Endpoints | Method | Endpoint | Description | |--------|----------|-------------| | GET | `https://www.synonyms.com/` | See documentation for endpoint reference | ## Authentication See documentation for auth details ``` Authorization: Bearer YOUR_TOKEN ``` ## Sample Request ```bash curl 'https://www.synonyms.com' ``` ## Sample Response ```json {} ``` ## Pricing Details Free with API key. Thesaurus/synonym lookup; no paid tiers. --- *Source: [API Map](https://apimap.dev/apis/synonyms/) — CC BY 4.0*