Dokumentatioun

D'Integratioun vun de verschiddenen Applikatiounen an der REST API ass ganz einfach.

Erfuerschung

D' TranslateAPI bitt eng einfach REST Interface fir Text tëscht 180+ Sproochen ze iwwersetzen. All API Endpunkte ginn JSON Äntwerten zréck.

1. Get Your API Key

Create a free account and generate your API key from the dashboard:

  1. Sign up at translateapi.ai/signup
  2. Go to Dashboard → API Schlëssel
  3. Click "Create API Key" and copy your key

API keys start with ta_ followed by 56 hex characters.

Basis- URL: https://api.translateapi.ai/api/v1/
2. Make Your First Request

Replace YOUR_API_KEY with the key from your dashboard:

curl -X POST https://api.translateapi.ai/api/v1/translate/ \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "text": "Hello, world!",
    "target_language": "es"
  }'
import requests

response = requests.post(
    "https://api.translateapi.ai/api/v1/translate/",
    headers={
        "Authorization": "Bearer YOUR_API_KEY",
        "Content-Type": "application/json"
    },
    json={
        "text": "Hello, world!",
        "target_language": "es"
    }
)

result = response.json()
print(result["translated_text"])  # "Hola, mundo!"
const response = await fetch("https://api.translateapi.ai/api/v1/translate/", {
    method: "POST",
    headers: {
        "Authorization": "Bearer YOUR_API_KEY",
        "Content-Type": "application/json"
    },
    body: JSON.stringify({
        text: "Hello, world!",
        target_language: "es"
    })
});

const result = await response.json();
console.log(result.translated_text);  // "Hola, mundo!"
$ch = curl_init("https://api.translateapi.ai/api/v1/translate/");
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => [
        "Authorization: Bearer YOUR_API_KEY",
        "Content-Type: application/json"
    ],
    CURLOPT_POSTFIELDS => json_encode([
        "text" => "Hello, world!",
        "target_language" => "es"
    ])
]);

$result = json_decode(curl_exec($ch), true);
echo $result["translated_text"];  // "Hola, mundo!"
payload := strings.NewReader(`{
    "text": "Hello, world!",
    "target_language": "es"
}`)

req, _ := http.NewRequest("POST", "https://api.translateapi.ai/api/v1/translate/", payload)
req.Header.Set("Authorization", "Bearer YOUR_API_KEY")
req.Header.Set("Content-Type", "application/json")

resp, _ := http.DefaultClient.Do(req)
defer resp.Body.Close()

var result map[string]interface{}
json.NewDecoder(resp.Body).Decode(&result)
fmt.Println(result["translated_text"])  // "Hola, mundo!"
var client = new HttpClient();
client.DefaultRequestHeaders.Add("Authorization", "Bearer YOUR_API_KEY");

var content = new StringContent(
    JsonSerializer.Serialize(new {
        text = "Hello, world!",
        target_language = "es"
    }),
    Encoding.UTF8,
    "application/json"
);

var response = await client.PostAsync("https://api.translateapi.ai/api/v1/translate/", content);
var result = JsonSerializer.Deserialize<JsonElement>(
    await response.Content.ReadAsStringAsync()
);
Console.WriteLine(result.GetProperty("translated_text"));  // "Hola, mundo!"
Äntwert
{
    "translated_text": "Hola, mundo!",
    "source_language": "en",
    "target_language": "es",
    "translations": {
        "es": "Hola, mundo!"
    },
    "character_count": 13,
    "translation_time": 0.45
}

Authentifikatioun

Authentifizéiert Är Ufroen mat engem API Schlëssel. Dir kënnt API Schlëssel aus Ärem Dashboard.

Kopfzeil Authentifikatioun (Empfohlen)
Authorization: Bearer ta_your_api_key_here
ApiKey Header
Authorization: ApiKey ta_your_api_key_here
Parameter
https://api.translateapi.ai/api/v1/translate/?api_key=ta_your_api_key_here
Gitt Är API Schlëssel sécher! No an no koum et zu Verhandlungen tëscht der Regierung an de Vereenten Natiounen.

Text iwwersetzen

Text an eng eenzeg Zilsprooch iwwersetzen.

POST https://api.translateapi.ai/api/v1/translate/
Ufrokörper
Parameter Typ Erfuerderlech Beschreiwung
text string Ja Text ze iwwersetzen (maximal 50. 000 Zeichen)
target_language string Ja* Target language code (e.g., "es", "fr", "de")
source_language string Nee Source language code. Default: "auto" (auto-detect)
engine string Nee Translation engine: "auto" (default), "huggingface", or "madlad". See Translation Models. Iwwersetzungsmodell.

* Gebrauch target_language (String) fir eng eenzeg Sprooch oder target_languages (Array) fir multiple. See Multi-Target Iwwersetzung.

Äntwert
{
    "translated_text": "Hola, mundo!",
    "source_language": "en",
    "target_language": "es",
    "translations": {
        "es": "Hola, mundo!"
    },
    "character_count": 13,
    "translation_time": 0.45
}
Auto-Detection: Omit source_language or set it to "auto" to automatically detect the source language. The detected language is returned in the source_language response field.

Multi-Target Iwwersetzung

Iwwersetzt Text a méi Sproochen an enger eenzeger Ufro. Benotzt de selwechten Endpunkt wéi eng eenzeg Iwwersetzung.

POST https://api.translateapi.ai/api/v1/translate/
Ufrokörper
{
    "text": "Hello, world!",
    "target_languages": ["es", "fr", "de", "ja"],
    "source_language": "en"
}

Verwenden target_languages (Array) anstatt target_language (String) fir méi Zieler.

Äntwert
{
    "source_language": "en",
    "translations": {
        "es": "Hola, mundo!",
        "fr": "Bonjour, monde!",
        "de": "Hallo, Welt!",
        "ja": "こんにちは、世界!"
    },
    "character_count": 52,
    "translation_time": 2.31
}
Tipp: Et kann op bis zu 50 Sproochen an enger eenzeger Ufro iwwersat ginn.

Batch- Iwwersetzung

Iwwersetzt méi Texter gläichzäiteg mat asynchroner Veraarbechtung. Schéckt e Batch a frot no Resultater.

Limits: Max 100 texts per batch, max 300 total items (texts × target languages). Jobs time out 45 minutes after processing starts.
Speed: Common languages (ES, FR, DE) use fast models (~0.1s/text). Less common languages use our multilingual model (~1-3s/text).
POST https://api.translateapi.ai/api/v1/translate/batch/
Schrëtt 1: Batch schécken
curl -X POST https://api.translateapi.ai/api/v1/translate/batch/ \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "texts": ["Hello", "Goodbye", "Thank you"],
    "target_language": "es",
    "source_language": "en"
}'
Antwort (HTTP 202 akzeptéiert)
{
    "job_id": "67535b2b-c9e3-4f82-9499-e237edbc1dd8",
    "status": "pending",
    "total_texts": 3,
    "queue_position": 1,
    "source_language": "en",
    "target_languages": ["es"],
    "character_count": 22,
    "credits_remaining": -1,
    "poll_url": "https://api.translateapi.ai/api/v1/jobs/67535b2b-c9e3-4f82-9499-e237edbc1dd8/"
}
Schrëtt 2: Umfro fir Resultater
GET https://api.translateapi.ai/api/v1/jobs/{job_id}/
Lëscht vu lëtzebuergeschen Dichter (Python)
import time, requests

job_id = response.json()["job_id"]
total = response.json()["total_texts"]
headers = {"Authorization": "Bearer YOUR_API_KEY"}

print(f"Batch submitted: {total} texts (job {job_id})")

while True:
    result = requests.get(f"https://api.translateapi.ai/api/v1/jobs/{job_id}/", headers=headers).json()
    status = result["status"]
    processed = result.get("processed_texts", 0)
    progress = result.get("progress_percentage", 0)

    if status == "completed":
        print(f"Done: {processed}/{total} in {result.get('processing_time', 0):.1f}s")
        translations = result["result_data"]["translations"]
        break
    elif status == "failed":
        raise Exception(result.get("error_message", "Translation failed"))
    elif status == "pending":
        print(f"Queued (position {result.get('queue_position', '?')})")
    else:
        print(f"[{status}] {processed}/{total} ({progress:.0f}%)")

    time.sleep(3)
Antwort (vollstänneg)
{
    "job_id": "67535b2b-...",
    "status": "completed",
    "processed_texts": 3,
    "total_texts": 3,
    "progress_percentage": 100.0,
    "processing_time": 10.65,
    "result_data": {
        "translations": ["Hola", "Adiós", "Gracias"],
        "source_language": "en",
        "target_language": "es",
        "character_count": 22,
        "processing_time": 10.65
    }
}
Real-Time Progress Tracking
Field Beschreiwung
status pending (queued, waiting for a GPU worker), processing (actively translating), completed, failed
processed_texts Number of individual translations completed so far. Updates in real time as each text is translated.
progress_percentage Completion percentage (0-100). Calculated from processed_texts / total_texts.
queue_position Your position in the queue when status is "pending" (1 = next up). Null when processing or completed. Use this to estimate wait time and show queue status to your users.
processing_time Total processing time in seconds (available when completed).
Multi-Language Batch

Méi Texter a méi Sproochen op eemol iwwersetzen:

{
    "texts": ["Hello", "Goodbye"],
    "target_languages": ["es", "fr"],
    "source_language": "en"
}
Completed result_data
{
    "translations": [
        {"es": "Hola", "fr": "Bonjour"},
        {"es": "Adiós", "fr": "Au revoir"}
    ],
    "source_language": "en",
    "target_languages": ["es", "fr"],
    "character_count": 24,
    "processing_time": 2.45
}
Parameter ufroen
Parameter Typ Erfuerderlech Beschreiwung
texts array Ja Array of strings to translate
target_language string Ja* Zielsproochcode fir eng eenzeg Sprooch
target_languages array Ja* Array vu Zilsproochcode fir verschidde Sproochen
source_language string Nee Source language code. Default: "auto"

* Gitt entweder target_language oder target_languages, net béid.

Best Practices for Large Workloads
  • Send 1 target language per batch request. This keeps each batch fast and makes progress easy to track.
  • Keep batches at 50-100 texts. Smaller batches complete faster and give you more frequent progress updates.
  • Submit as many batch jobs as you need — our GPU cluster auto-scales to handle demand. Jobs are processed in parallel across multiple instances.
  • On timeout, re-poll the same job_id instead of submitting a new batch. The original job may still be processing on the GPU.
  • Poll every 3-5 seconds. More frequent polling does not speed up processing.

Iwwersetzung

Iwwersetzt ganz Dokumenter ouni d'Formatéierung ze änneren. Ënnerstëtzt verschidde Dateiformater.

POST https://api.translateapi.ai/api/v1/translate/document/
Ufro (multipart/form-data)
Parameter Typ Erfuerderlech Beschreiwung
file file Ja D'Dokument ze iwwersetzen (max 10MB)
target_language string Ja Target language code (e.g., "es", "fr", "de")
source_language string Nee Source language code. Default: "auto" (auto-detect)
Ënnerstëtzt Dateitypen
Documents
  • .txt - Plain Text Dateien
  • .docx - Word Dokumenter
  • .pdf - PDF-Dokumenten (och gescannt)
Data & Localization
  • .json - JSON Dateien (iwwersetzt Stringwäerter)
  • .xml - XML-Dateien
  • .srt - Ënnertiteldateien
  • .po / .pot - Iwwersetzungsdateien
Images (OCR)
  • .jpg / .jpeg - JPEG-Bilder (OCR)
  • .png - PNG-Bilder (OCR)
  • .tiff / .tif - TIFF-Bilder (OCR)
  • .bmp - BMP-Bilder (OCR)
  • .webp - WebP-Bilder (OCR)
Beispill (cURL)
# Translate a Word document
curl -X POST https://api.translateapi.ai/api/v1/translate/document/ \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -F "file=@document.docx" \
  -F "target_language=es" \
  -F "source_language=en"

# Translate text from an image (OCR)
curl -X POST https://api.translateapi.ai/api/v1/translate/document/ \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -F "file=@scanned_page.jpg" \
  -F "target_language=es" \
  -F "source_language=en"
Äntwert
{
    "id": 123,
    "original_filename": "document.docx",
    "file_type": "docx",
    "source_language": "en",
    "target_language": "es",
    "status": "completed",
    "character_count": 5420,
    "translated_file_url": "/media/translated/document_es.docx",
    "created_at": "2024-01-15T10:30:00Z",
    "completed_at": "2024-01-15T10:30:05Z"
}
OCR- Unterstützung: Bilddateien a gescannte PDFe ginn mat optescher Zeichenerkennung (OCR) veraarbecht, fir Text virum Iwwersetzen ze extrahéieren. Fir déi bescht Resultater, benotzt kloer, héich opgeléist Biller.
GET https://api.translateapi.ai/api/v1/translate/document/{id}/

Den Status vun der Iwwersetzung vun engem Dokument iwwerpréiwen oder d'URL vum Download kréien.

Statuswäerter
pending Datei erofgelueden, wart op Veraarbechtung
processing Iwwersetzung am Gaang
completed Iwwersetzung fäerdeg, Download verfügbar
failed Übersetzung fehlgeschlagen (check error_message)

Ënnerstëtzt Sproochen

Gitt d'Lëscht vun allen ënnerstëtzte Sproochen.

GET https://api.translateapi.ai/api/v1/translate/languages/
Äntwert
{
    "count": 186,
    "results": [
        {"iso": "en", "name": "English", "en_label": "English"},
        {"iso": "es", "name": "Español", "en_label": "Spanish"},
        {"iso": "fr", "name": "Français", "en_label": "French"},
        ...
    ]
}

View All 186 Languages

Submit Corrections

Suggest a better translation for a given source text. Corrections enter a moderation queue; once approved by our team they surface as "Community Verified" translations for that text.

Note: this endpoint is served from the main domain https://translateapi.ai/api/v1/ (not the api. translation host), and requires an API key.
POST https://translateapi.ai/api/v1/suggestions/
Ufrokörper
Parameter Typ Beschreiwung
source_text string The original text that was translated.
source_language string Source language code (e.g. "en").
target_language string Target language code (e.g. "es").
machine_translation string The machine translation you are correcting.
suggested_translation string Your improved translation (must differ from machine_translation).
Example Request
curl -X POST https://translateapi.ai/api/v1/suggestions/ \
    -H "Authorization: Bearer YOUR_API_KEY" \
    -H "Content-Type: application/json" \
    -d '{
    "source_text": "Hello, world!",
    "source_language": "en",
    "target_language": "es",
    "machine_translation": "Hola, mundo!",
    "suggested_translation": "¡Hola, mundo!"
}'
Äntwert
{
    "id": 4213,
    "status": "pending",
    "created": true,
    "message": "Correction submitted for review."
}

Re-submitting the same source/language pair updates your existing suggestion instead of creating a duplicate (returns 200 with "created": false).

Iwwersetzungsmodell

Mir benotze state-of-the-art Open Source Iwwersetzungsmodeller déi op eiser eegene GPU Infrastruktur lafen. All Modeller sinn kommerziell lizenzéiert (Apache 2.0).

Modell Sproochen Bescht fir
Helsinki-NLP/opus-mt Lëscht vu lëtzebuergeschen Dichter D'Lëtzebuerger Sprooch (Lëtzebuergesch, Däitsch, Franséisch, Italienesch, Spuenesch, Russesch, etc.)
Google MADLAD-400 400 Sproochen Lëscht vu lëtzebuergesche Sproochen

D'API wielt automatesch dat bescht Modell fir Äert Sproochpaar aus. Dir kënnt optional e spezifizéieren engine Parameter:

Motor Beschreiwung
"auto" Standard. Probéiert HuggingFace als éischt, geet zréck op MADLAD-400
"huggingface" Force HuggingFace/MarianMT (schnellst, 50+ Sproochen)
"madlad" Mäerz 1940 (400 Säiten).

Fehlerbehandlung

D'Standardformel ass eng Formel fir d'Bezeechnung vun engem Element oder engem Elementer.

Code Beschreiwung
200 Erfolleg
202 Accepted — Batch job queued successfully
400 Bad Request — Invalid parameters (missing text, unsupported language, etc.)
401 Unauthorized - Ungülteg oder fehlend API Schlëssel
402 Payment Required — Character credits exhausted. Upgrade your plan or purchase a top-up.
403 Forbidden — API key lacks required scope or IP not in whitelist
503 Service net verfügbar - Iwwersetzungsmaschinn virleefeg net verfügbar
Format fir d'Fehlerantwort
{
    "error": "insufficient_credits",
    "credits_remaining": 0
}

Usage Limits

TranslateAPI has no request rate limits. All requests are queued and processed by our auto-scaling GPU cluster. Your plan determines your monthly character allowance:

Planz Zeichen/Mount Batch API Documents Präis
Fräi 250,000 $0 Gratis anmelden
Starter 2,500,000 $9/% 1 Mo Abonnéieren
Pro 10,000,000 $29/% 1 Mo Abonnéieren
Geschäftlech 40,000,000 $79/% 1 Mo Abonnéieren
Skaléieren 125,000,000 $199/% 1 Mo Abonnéieren
Enterprise Unlimited $499/% 1 Mo Contact Sales

Wann Dir Är Limitt iwwerschreift, kritt Dir e 402 Payment Required Et gëtt keng Äntwert bis zum nächste Mount oder Dir maacht en Upgrade.

Auto-Scaling Cloud Infrastructure

TranslateAPI runs on dedicated NVIDIA A100 GPU instances with automatic horizontal scaling. When demand increases, additional GPU instances are launched within minutes to maintain fast response times. All requests are queued and processed — send hundreds of concurrent requests and they'll all be handled. Real-time translations get priority, batch jobs process in the background.

Need More Credits?

Run out of characters mid-month? Purchase a one-time credit top-up without changing your plan. View top-up packs

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