Check your app’s words against stored records, then choose a plan only if your requirements need one. Single-word, lesson, and quiz demos remain below.
Check your app’s vocabulary
Paste up to 10 English headwords your app actually needs. Inspect stored definitions and translations before integrating. AI-assisted records have variable coverage; field presence does not establish accuracy. This check never generates missing words.
No card required. Free supports production use: 10,000 calls/day, 10 requests/minute, and 10 words per batch. Your key is saved in this browser.