Documentazione

Integrate a traduzzione potente in e vostre applicazioni cù a nostra semplice API REST.

Comincià

U TranslateAPI furnisce una semplice interfaccia REST per tradurre testu trà più di 180 lingue. Tutti i punti finali di l'API restituiscenu risposti JSON.

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 Pannellu → Chiavi API
  3. Click "Create API Key" and copy your key

API keys start with ta_ followed by 56 hex characters.

URL di basa: 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!"
Risposta
{
    "translated_text": "Hola, mundo!",
    "source_language": "en",
    "target_language": "es",
    "translations": {
        "es": "Hola, mundo!"
    },
    "character_count": 13,
    "translation_time": 0.45
}

Autenticazzioni

Autentificà e vostre dumande usannu una chiave API. Potete creà chiavi API da u vostru dashboard.

Autenticazione di l'intestazione (raccumandata)
Authorization: Bearer ta_your_api_key_here
ApiKey Header
Authorization: ApiKey ta_your_api_key_here
Parametri
https://api.translateapi.ai/api/v1/translate/?api_key=ta_your_api_key_here
Mantene e vostre chiavi API sicure! Non esporli in u codice client-side o in repositori pubblici.

Traduci u testu

Traduci u testu in una sola lingua di destinazione.

POST https://api.translateapi.ai/api/v1/translate/
Corpu dâ richiesta
Parametri Tipu Riquisitu Descrizzioni
text string Testu da tradurri (massimu 50.000 caratteri)
target_language string Sì* Target language code (e.g., "es", "fr", "de")
source_language string No Source language code. Default: "auto" (auto-detect)
engine string No Translation engine: "auto" (default), "huggingface", or "madlad". See Translation Models. Traduzzioni.

Uso target_language (stringa) pi na lingua singula o target_languages (array) pi multiple. Vedi Traduzzioni multi-target.

Risposta
{
    "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.

Traduzzioni multi-target

Traduci u testu in cchiù lingue in una sola richiesta. Usa u stissu puntu finali di a traduzzioni singula.

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

Uso target_languages (array) ô postu di target_language (stringa) pi scopi multipli.

Risposta
{
    "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
}
Tipu: Potete traduciri finu à 50 lingue in una sola richiesta.

Traduzzioni

Traduci assai testi in una sola vota cù l'elaborazioni asincrona. Invia un batch è un sondaghju per i risultati.

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/
Passu 1: Invià u batch
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"
}'
Risposta (HTTP 202 Accettatu)
{
    "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/"
}
Passu 2: Sondaggio per i risultati
GET https://api.translateapi.ai/api/v1/jobs/{job_id}/
Esempiu di polling (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)
Risposta (completata)
{
    "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 Descrizzioni
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).
Batch multilingue

Traduci più testi in più lingue in una sola volta:

{
    "texts": ["Hello", "Goodbye"],
    "target_languages": ["es", "fr"],
    "source_language": "en"
}
Completatu 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
}
Parametri di richiesta
Parametri Tipu Riquisitu Descrizzioni
texts array Array di stringhi da tradurri
target_language string Sì* U còdici di lingua di destinazione pi na lingua sìngula
target_languages array Sì* Array di codici di lingua di destinazione pi cchiù lingue
source_language string No Source language code. Default: "auto"

* Forniri target_language o target_languages, non tutti dui.

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.

Traduzzioni

Traduci documenti interi mantenendu a formattazione. Supporta diversi formati di file.

POST https://api.translateapi.ai/api/v1/translate/document/
Richiesta (multipart/form-data)
Parametri Tipu Riquisitu Descrizzioni
file file U documentu da tradurri (max 10MB)
target_language string Target language code (e.g., "es", "fr", "de")
source_language string No Source language code. Default: "auto" (auto-detect)
Tipi di fugliali supportati
Documents
  • .txt - Fichieri di testu
  • .docx - Documenti Word
  • .pdf - Documenti PDF (cumpresi scannati)
Data & Localization
  • .json - Fichieri JSON (traduci i valuri di stringhe)
  • .xml - Fichieri XML
  • .srt - File di sottotituli
  • .po / .pot - Fichieri di traduzzioni Gettext
Images (OCR)
  • .jpg / .jpeg - Immagini JPEG (OCR)
  • .png - Immagini PNG (OCR)
  • .tiff / .tif - Immagini TIFF (OCR)
  • .bmp - Immagini BMP (OCR)
  • .webp - Immagini WebP (OCR)
Esempi (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"
Risposta
{
    "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"
}
Supportu OCR: I fugliali d'imaghjini è i PDF scannati sò trattati cù u ricunnuscimentu otticu di caratteri (OCR) pi estrarri u testu prima di a traduzzioni. Pi ottene i megghiu risultati, usate immagini nitti, ad àuta risuluzzioni.
GET https://api.translateapi.ai/api/v1/translate/document/{id}/

Cuntrolla u statu di a traduzzioni di un documentu o ripigghia l'URL di scaricari.

Valori di statu
pending File uploaded, waiting to be processed
processing Traduzzioni in corso
completed Traduzzioni cumpleta, scaricà dispunibbili
failed Traduzzioni fallita (check error_message)

Lingue supportate

Get the list of all supported languages.

GET https://api.translateapi.ai/api/v1/translate/languages/
Risposta
{
    "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/
Corpu dâ richiesta
Parameter Tipu Descrizzioni
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!"
}'
Risposta
{
    "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).

Traduzzioni

Utilizemu mudelli di traduzzione open source state-of-the-art in esecuzione nantu à a nostra infrastruttura GPU. Tutti i mudelli sò cun licenza cummerciale (Apache 2.0).

Modellu Lingue Migliori pi
Helsinki-NLP/opus-mt 50+ coppie di lingue Lingue cumuni (EN, ES, FR, DE, IT, PT, RU, ZH, JA, ecc.)
Google MADLAD-400 400+ lingue Lingue rari, copertura cumpleta

L'API scegli automaticamenti u megghiu mudellu pi la vostra coppia di lingue. engine parametru:

Motori Descrizzioni
"auto" Predefinitu. Pruva prima HuggingFace, poi torna a MADLAD-400
"huggingface" Forza HuggingFace/MarianMT (più veloci, 50+ lingue)
"madlad" Forza MADLAD-400 (400+ lingue)

Gestione di l'errori

L'API usa i codici di statu HTTP standard per indicà u successu o u fallimentu.

Codice Descrizzioni
200 Successu
202 Accepted — Batch job queued successfully
400 Bad Request — Invalid parameters (missing text, unsupported language, etc.)
401 Non autorizzato - Chiave API mancante o non valida
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 Serviziu indisponibbili - motore di traduzzioni temporaneamente in bassu
Formatu di risposta di l'errori
{
    "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:

Pianu Carattiri/Mese Batch API Documents Prezzu
Liberu 250,000 $0 Iscriviti
Avviatore 2,500,000 $9/mi Abbonassi
Pro 10,000,000 $29/mi Abbonassi
Affari 40,000,000 $79/mi Abbonassi
Scala 125,000,000 $199/mi Abbonassi
Enterprise Unlimited $499/mi Contact Sales

Quandu superate u vostru limitu, riceverete un 402 Payment Required risposta finu à u mese prossimu o si aggiorna.

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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