One API for 120+ languages. Power dictionaries, flashcards, AI tutors, translators, and reading tools.
Get API AccessThe dictionary entry for a term. Fast returns just the definition, deep the complete entry with senses, examples and etymology.
POST https://api.linguin.xyz/lookup
Authorization: Bearer YOUR_API_KEY
API-Version: 2026-06-01 { "text": "bonjour", "lang": "fr", "locale": "en", "mode": "fast" } { "req_id": "b3f9c1a2-7e44-4d05-9a18-2c6e0f3b8d71", "items": [ { "type": "word", "term": "bonjour", "lang": "fr", "locale": "en", "definition": "A standard French greeting used during the day, meaning hello or good day." } ], "billed": { "cost": 0.003 }
}Meaning in, word out. Describe a sense and get the word that fits.
POST https://api.linguin.xyz/reverse
Authorization: Bearer YOUR_API_KEY
API-Version: 2026-06-01 { "query": "a doctor for animals", "locale": "en", "mode": "fast" } { "req_id": "2c9d41a7-6b0e-4f13-9a28-7d5e0c3b1f64", "query": "a doctor for animals", "locale": "en", "matches": [ { "type": "word", "term": "veterinarian", "lang": "en", "locale": "en", "definition": "A doctor who treats animals." } ], "billed": { "matches": 1, "cost": 0.004 }
}Translate text fast or deep. Deep handles idiom and tone, and both modes can add a Live web cross-check or a Humanizer pass.
POST https://api.linguin.xyz/translate
Authorization: Bearer YOUR_API_KEY
API-Version: 2026-06-01 { "text": "Hola, ¿cómo estás?", "from": "es", "to": "en", "mode": "deep" } { "req_id": "c4e21a9f-3b8d-4f50-9a17-1e6d0b2c7f48", "type": "translation", "mode": "deep", "from": "es", "to": "en", "text": "Hola, ¿cómo estás?", "translation": "Hello, how are you?", "words": 3, "billed": { "words": 30, "passes": 1, "cost": 0.006 }
}