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DeepL Translate
translationlanguagesglossarydocument-translationdata
DeepL Translate is a paid API for AI agents from DeepL at deepl.mpp.paywithlocus.com, paid per call via MPP, $0.025+ (scales with text length) (dynamic), not verified (last probed 2026-10-10); live alternatives: JigsawStack AI Language Translation ($0.001) and MyMemory Text Translator ($0.002).
Agents call it through Zero, which pays per call: no API key and no wallet of your own. New accounts start with $5. Live alternatives for the same use case: JigsawStack AI Language Translation ($0.001) · MyMemory Text Translator ($0.002).
Translates text into a target language using DeepL's neural machine translation engine, with optional formality, context, and markup handling.
Price$0.025+ (scales with text length)varies by input
Success—
StatusUnknown
How this service works
Translate text between 30+ languages with DeepL's industry-leading neural machine translation. Supports formality control, context, and model selection.
Output
Returns the translated text in the target language, along with the detected or confirmed source language code. For quality-optimized models, also indicates the model used. Supports up to 50 text items per request.
Example use cases
Example prompt
“Translate the following text into formal German using DeepL's quality-optimized model: 'We are pleased to inform you that your application has been approved and will be processed within five business days.' — keep the formal register and preserve any HTML tags.”
Technical details
Endpoint
POSThttps://deepl.mpp.paywithlocus.com/deepl/translate?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need high-quality neural machine translation powered by DeepL, especially for European languages, formal/informal register control, markup-aware (HTML/XML) translation, or when you need context hints to improve accuracy. Prefer over generic translation APIs when translation fidelity and tone control matter.
Side effects
- Unsupported target_lang code returns a 400 Bad Request with an error message
- Text exceeding character limits returns a quota or length error
- Invalid formality value for a language that doesn't support it returns a 400 error
- Missing required target_lang field returns a 422 validation error
- Rate limit or quota exhaustion returns a 429 or 456 error
Input
{
"text": [
"Hello, how are you today?"
],
"target_lang": "DE"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| textrequired | array | Text(s) to translate (up to 50 items) |
| context | string | Additional context to improve translation quality (not translated) |
| formality | string | "default", "more", "less", "prefer_more", "prefer_less" |
| model_type | string | "quality_optimized", "latency_optimized", or "prefer_quality_optimized" |
| source_lang | string | Source language code (auto-detected if omitted) |
| target_langrequired | string | Target language code (e.g. "DE", "FR", "ES", "JA", "ZH") |
| tag_handling | string | "xml" or "html" for markup-aware translation |
| split_sentences | string | "0" (none), "1" (default), or "nonewlines" |
| preserve_formatting | boolean | Preserve original formatting (punctuation, case) |
Output
{
"data": {
"translations": [
{
"text": "Hallo, wie geht es dir heute?",
"detected_source_language": "EN"
}
]
},
"success": true
}Tags
translationlanguagesglossarydocument-translationdata
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