Simpli Translate

Translate breaks language barriers in customer support. Detect the language of incoming messages, translate between 8+ languages, and culturally adapt responses — all powered by LLMs for context-aware, natural translations.

Simpli Translate provides translation, language detection, and cultural localization for support conversations using LLM-powered analysis.

Configuration

Variable	Default	Description
`APP_PORT`	`8009`	Server port
`LITELLM_MODEL`	`openai/gpt-5-mini`	LLM model for translation
`SUPPORTED_LANGUAGES`	`en,es,fr,de,pt,ja,ko,zh`	Comma-separated language codes
`DEFAULT_TARGET_LANGUAGE`	`en`	Default translation target
`CORS_ORIGINS`	`*`	Allowed CORS origins (comma-separated)

Start the server

simpli-translate serve

API endpoints

All endpoints are under the /api/v1 prefix.

POST `/api/v1/translate`

Translate text between languages.

Request:

{
  "text": "Your refund has been processed and should appear in 3-5 business days.",
  "source_language": "en",
  "target_language": "es"
}

Response:

{
  "translation_id": "t-abc123",
  "translated_text": "Su reembolso ha sido procesado y debería aparecer en 3-5 días hábiles.",
  "source_language": "en",
  "target_language": "es",
  "confidence": 0.95
}

POST `/api/v1/detect`

Detect the language of input text.

Request:

{
  "text": "Ich kann mich nicht in mein Konto einloggen"
}

Response:

{
  "language": "de",
  "confidence": 0.97,
  "alternatives": [{"nl": 0.02}]
}

POST `/api/v1/localize`

Culturally adapt a response for a target audience.

{
  "text": "Your refund will arrive in 3-5 business days.",
  "target_language": "ja",
  "target_region": "JP",
  "formality": "formal"
}

GET `/api/v1/languages`

List all supported language codes.

GET `/health`

Health check.

Integration example

import httpx

client = httpx.Client(base_url="http://localhost:8009")

# Detect language
detected = client.post("/api/v1/detect", json={
    "text": "No puedo acceder a mi cuenta",
}).json()

print(detected["language"])  # "es"

# Translate to English for agent
translated = client.post("/api/v1/translate", json={
    "text": "No puedo acceder a mi cuenta",
    "target_language": "en",
}).json()

print(translated["translated_text"])
# "I can't access my account"

# Translate agent's reply back to customer's language
reply = client.post("/api/v1/translate", json={
    "text": "I've reset your password. Please try logging in again.",
    "source_language": "en",
    "target_language": "es",
}).json()

print(reply["translated_text"])

Next steps

The Ticket Lifecycle — See how Translate fits into multilingual workflows
Integration Overview — Connect Translate to your helpdesk
Model Selection — Choose the right model for translation quality

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