Translation API

Best-in-class Japanese-English LLM translation that understands context, nuance, and cultural subtleties. Built on our proprietary Shisa.ai models trained specifically for Japanese-English translation.

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Why Choose Our Translation API?

Enterprise-grade translation powered by cutting-edge LLM technology

Context-Aware Translation

Our LLM understands context, idioms, and cultural nuances for natural translations

Lightning Fast

Process millions of characters per second with sub-second response times

Enterprise Security

Your data is encrypted in transit and at rest, with SOC 2 compliance

Domain Customization

Fine-tune on your industry terminology and style for perfect brand alignment

Document Preservation

Maintains formatting, structure, and layout in translated documents

Real-time Translation

Stream translations for chat, live content, and interactive applications

Try It Yourself

Experience our Translation API with this interactive demo. Translate between Japanese, English, and Chinese instantly.

🌐 Translation Demo

Translate between Japanese and English

From

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💡 💡 Ctrl+Enter to translate quickly

Simple Integration

Get started in minutes with our developer-friendly API

Quick Start with cURL

curl -X POST "https://api.shisa.ai/translate/" \
  -H "Authorization: shsk:YOUR_API_KEY" \
  -F "text=今日は素晴らしい天気ですね。" \
  -F "source_lang=ja" \
  -F "target_lang=en" \
  -F "stream=false"

Python Integration

import requests

def translate_text(text, source_lang="ja", target_lang="en"):
    response = requests.post(
        "https://api.shisa.ai/translate/",
        headers={
            "Authorization": "shsk:YOUR_API_KEY"
        },
        data={
            "text": text,
            "source_lang": source_lang,
            "target_lang": target_lang,
            "stream": "false"
        }
    )
    return response.json()

# Example usage
result = translate_text("ビジネスの成功をお祈りします。")
print(result["choices"][0]["message"]["content"])

JavaScript/TypeScript Integration

const translateText = async (text, sourceLang = 'ja', targetLang = 'en') => {
  const formData = new FormData();
  formData.append('text', text);
  formData.append('source_lang', sourceLang);
  formData.append('target_lang', targetLang);
  formData.append('stream', 'false');

  const response = await fetch('https://api.shisa.ai/translate/', {
    method: 'POST',
    headers: {
      'Authorization': 'shsk:YOUR_API_KEY',
    },
    body: formData,
  });

  const data = await response.json();
  return data.choices[0].message.content;
};

// Example usage
const translation = await translateText('日本とアメリカの架け橋になる');
console.log(translation); // Returns translated text

Response Format

{
  "id": "trans_20f537a6-da14-4c98-8ee3-063319c45072",
  "object": "translation.completion",
  "created": 1768299459,
  "model": "shisa-ai/chotto",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "お腹が空いた。"
      },
      "finish_reason": "stop"
    }
  ],
  "transcription": "I am hungry",
  "source_lang": "en",
  "target_lang": "ja",
  "balance": {
    "free": 1000,
    "premium": 0
  },
  "usage": {
    "prompt_tokens": 3,
    "completion_tokens": 1,
    "total_tokens": 4
  }
}

Streaming Response

curl -X POST "https://api.shisa.ai/translate/" \
  -H "Authorization: shsk:YOUR_API_KEY" \
  -F "text=I am hungry" \
  -F "source_lang=en" \
  -F "target_lang=ja" \
  -F "stream=true"

With streaming enabled, responses are delivered as Server-Sent Events (SSE) for real-time translation:

data: {"id": "trans_446d7397-...", "object": "translation.completion.chunk", "choices": [{"delta": {"content": ""}, "index": 0}]}
data: {"id": "trans_fe190f5d-...", "object": "translation.completion.chunk", "choices": [{"delta": {"content": "お"}, "index": 0}]}
data: {"id": "trans_71bbdcec-...", "object": "translation.completion.chunk", "choices": [{"delta": {"content": "腹が"}, "index": 0}]}
data: {"id": "trans_7c2d47d7-...", "object": "translation.completion.chunk", "choices": [{"delta": {"content": "空いた"}, "index": 0}]}
data: {"id": "trans_99e10e01-...", "object": "translation.completion.chunk", "choices": [{"delta": {"content": "。"}, "index": 0}]}
data: {"id": "trans_0a0396bd-...", "choices": [{"delta": {}, "index": 0, "finish_reason": "stop"}], "usage": {...}}
data: [DONE]

Trusted Use Cases

See how businesses leverage our Translation API

Content Localization

Translate marketing materials, product descriptions, and website content while maintaining brand voice and cultural relevance.

E-commerce product pages
Marketing campaigns
Blog articles & SEO content
Mobile app interfaces

Customer Support

Enable multilingual customer service with real-time translation for chat, email, and ticket systems.

Live chat translation
Email support automation
Knowledge base articles
FAQ translations

Documentation & Training

Translate technical documentation, training materials, and internal communications accurately.

API documentation
User manuals
Training materials
Internal communications

Ready to Break Language Barriers?

Start translating with our powerful API today. Free tier available with 500K characters per month.

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