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Japanese-English AI Translation API
x402
Japanese-English AI Translation API is a paid API for AI agents from jp-data-api-production.up.railway.app, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).
Translates text bidirectionally between Japanese and English with auto-detection of translation direction, optimized for business and product content.
Price / call$0.02
Success—
StatusUnknown
How this service works
Japanese-English translation (both directions) with natural, context-aware output. No API key needed, pay per call. Handles business documents, product descriptions, UI strings, emails. Auto-detects direction.
Output
Returns the translated text in the target language (English or Japanese), produced with context-aware, natural phrasing suitable for business documents, product descriptions, UI strings, and emails.
Example use cases
Example prompt
“Translate this Japanese product description into natural English: '高品質のステンレス製タンブラーで、保温・保冷効果が長時間続きます。'”
Technical details
Endpoint
GEThttps://jp-data-api-production.up.railway.app/ai/translateWhen to prefer
Choose this endpoint when you need lightweight, pay-per-call Japanese-English or English-Japanese translation without requiring an API key setup, especially for business documents, product descriptions, UI strings, or emails. Prefer this over general-purpose translation APIs when working in a Japan-focused stack or when you want automatic direction detection without configuring language pairs manually.
Side effects
- Missing required 'text' query parameter returns an error
- Input text exceeding ~4000 characters may be truncated or rejected
- Ambiguous language input (e.g. mixed scripts) may produce incorrect auto-detection
- Network or server errors on Railway hosting platform may cause intermittent failures
- Non-Japanese/English text will likely produce poor or undefined results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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