API-documentatie
Integreer krachtige vertaling in uw toepassingen met onze eenvoudige REST API.
Starten
De TranslateAPI biedt een eenvoudige REST-interface voor het vertalen van tekst tussen 180+ talen. Alle API-eindpunten geven JSON-responsen terug.
1. Get Your API Key
Create a free account and generate your API key from the dashboard:
- Sign up at translateapi.ai/signup
- Go to Dashboard → API-sleutels
- Click "Create API Key" and copy your key
API keys start with ta_ followed by 56 hex characters.
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!"
Respons
{
"translated_text": "Hola, mundo!",
"source_language": "en",
"target_language": "es",
"translations": {
"es": "Hola, mundo!"
},
"character_count": 13,
"translation_time": 0.45
}
Authenticatie
Authenticeer uw verzoeken met behulp van een API-sleutel. U kunt API-sleutels aanmaken vanuit uw dashboard.
Kop-authenticatie (aanbevolen)
Authorization: Bearer ta_your_api_key_here
ApiKey Header
Authorization: ApiKey ta_your_api_key_here
Zoekparameter
https://api.translateapi.ai/api/v1/translate/?api_key=ta_your_api_key_here
Tekst vertalen
Vertaal tekst naar één doeltaal.
POST https://api.translateapi.ai/api/v1/translate/
Verzoek om een instantie
| Parameter | Type | Vereist | Omschrijving |
|---|---|---|---|
text |
string | Ja. | Tekst om te vertalen (max 50.000 tekens) |
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. Vertaalmodellen. |
* Gebruik target_language (tekenreeks) voor één taal of target_languages (array) voor meerdere. Zie Multi-Target-vertaling.
Respons
{
"translated_text": "Hola, mundo!",
"source_language": "en",
"target_language": "es",
"translations": {
"es": "Hola, mundo!"
},
"character_count": 13,
"translation_time": 0.45
}
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-vertaling
Vertaal tekst naar meerdere talen in één verzoek. Gebruikt hetzelfde eindpunt als enkele vertaling.
POST https://api.translateapi.ai/api/v1/translate/
Verzoek om een instantie
{
"text": "Hello, world!",
"target_languages": ["es", "fr", "de", "ja"],
"source_language": "en"
}
Gebruik target_languages (array) in plaats van target_language (string) voor meerdere doelen.
Respons
{
"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
}
Batchvertaling
Vertaal meerdere teksten tegelijk met async verwerking. Stuur een batch en poll voor resultaten.
POST https://api.translateapi.ai/api/v1/translate/batch/
Stap 1: Submit 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"
}'
Respons (HTTP 202 aanvaard)
{
"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/"
}
Stap 2: Bespreking van de resultaten
GET https://api.translateapi.ai/api/v1/jobs/{job_id}/
Polling Example (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)
Respons (voltooid)
{
"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 | Omschrijving |
|---|---|
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). |
Partij met meerdere talen
Vertaal meerdere teksten in meerdere talen tegelijk:
{
"texts": ["Hello", "Goodbye"],
"target_languages": ["es", "fr"],
"source_language": "en"
}
Resultaten_gegevens voltooid
{
"translations": [
{"es": "Hola", "fr": "Bonjour"},
{"es": "Adiós", "fr": "Au revoir"}
],
"source_language": "en",
"target_languages": ["es", "fr"],
"character_count": 24,
"processing_time": 2.45
}
Parameters aanvragen
| Parameter | Type | Vereist | Omschrijving |
|---|---|---|---|
texts |
array | Ja. | Array of strings to translate |
target_language |
string | Ja* | Doeltaalcode voor één taal |
target_languages |
array | Ja* | Array of target language codes for multiple languages |
source_language |
string | Nee | Source language code. Default: "auto" |
* Zorg ervoor dat ofwel target_language of target_languagesNiet allebei.
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.
Documentvertaling
Vertaal volledige documenten met behoud van formatteren. Ondersteunt meerdere bestandsformaten.
POST https://api.translateapi.ai/api/v1/translate/document/
Verzoek (multipartiete/vormgegevens)
| Parameter | Type | Vereist | Omschrijving |
|---|---|---|---|
file |
file | Ja. | Het te vertalen document (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) |
Ondersteunde bestandstypen
Documents
.txt- Platte tekstbestanden.docx- Word-documenten.pdf- PDF-documenten (inclusief gescand)
Data & Localization
.json- JSON-bestanden (vertaalt tekenreekswaarden).xml- XML-bestanden.srt- Bestanden met ondertiteling.po/.pot- Tekstvertalingsbestanden ophalen
Images (OCR)
.jpg/.jpeg- JPEG-afbeeldingen (OCR).png- PNG-afbeeldingen (OCR).tiff/.tif- TIFF-afbeeldingen (OCR).bmp- BMP-afbeeldingen (OCR).webp- WebP-afbeeldingen (OCR)
Voorbeeld (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"
Respons
{
"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"
}
GET https://api.translateapi.ai/api/v1/translate/document/{id}/
Controleer de status van een documentvertaling of download de URL.
Statuswaarden
pending |
Bestand geüpload, wachtend om te worden verwerkt |
processing |
Vertaling in uitvoering |
completed |
Vertaling voltooid, download beschikbaar |
failed |
Vertaling mislukt (check error_message) |
Ondersteunde talen
Krijg de lijst van alle ondersteunde talen.
GET https://api.translateapi.ai/api/v1/translate/languages/
Respons
{
"count": 186,
"results": [
{"iso": "en", "name": "English", "en_label": "English"},
{"iso": "es", "name": "Español", "en_label": "Spanish"},
{"iso": "fr", "name": "Français", "en_label": "French"},
...
]
}
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.
https://translateapi.ai/api/v1/ (not the api. translation host), and requires an API key.POST https://translateapi.ai/api/v1/suggestions/
Verzoek om een instantie
| Parameter | Type | Omschrijving |
|---|---|---|
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!"
}'
Respons
{
"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).
Vertaalmodellen
We maken gebruik van state-of-the-art open source vertaalmodellen die draaien op onze eigen GPU infrastructuur. Alle modellen zijn commercieel gelicentieerd (Apache 2.0).
| Model | Talen | Beste voor |
|---|---|---|
| Helsinki-NLP/opus-mt | 50+ taalparen | Gemeenschappelijke talen (EN, ES, FR, DE, IT, PT, RU, ZH, JA, enz.) |
| Google MADLAD-400 | 400+ talen | Zeldzame talen, uitgebreide dekking |
De API selecteert automatisch het beste model voor uw taalpaar. U kunt optioneel een engine parameter:
| Motor | Omschrijving |
|---|---|
"auto" |
Standaard. Probeert HuggingFace eerst, valt terug naar MADLAD-400 |
"huggingface" |
Forceer HuggingFace/MarianMT (snelste, 50+ talen) |
"madlad" |
Dwing MADLAD-400 (400+ talen) |
Fout bij omgaan
De API gebruikt standaard HTTP-statuscodes om succes of mislukking aan te geven.
| Rubriek | Omschrijving |
|---|---|
| 200 | Succes |
| 202 | Accepted — Batch job queued successfully |
| 400 | Bad Request — Invalid parameters (missing text, unsupported language, etc.) |
| 401 | Ongeautoriseerd - Ongeldige of ontbrekende API-sleutel |
| 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 niet beschikbaar - Vertaalmachine tijdelijk uit |
Fout in antwoordformaat
{
"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:
| Plan | Tekens/Maand | Batch API | Documents | Prijs | |
|---|---|---|---|---|---|
| Vrij | 250,000 | — | — | $0 | Gratis aanmelden |
| Starter | 2,500,000 | $9/munit description in lists | Abonneren | ||
| Pro | 10,000,000 | $29/munit description in lists | Abonneren | ||
| Zaken | 40,000,000 | $79/munit description in lists | Abonneren | ||
| Schaal | 125,000,000 | $199/munit description in lists | Abonneren | ||
| Enterprise | Unlimited | $499/munit description in lists | Contact Sales |
Wanneer u uw limiet overschrijdt, ontvangt u een 402 Payment Required antwoord tot de volgende maand of je 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