Documentación API
Integre una traducción potente en sus aplicaciones con nuestra sencilla API REST.
Comenzando
La TranslateAPI proporciona una interfaz REST simple para traducir texto entre más de 180 idiomas. Todos los puntos finales de la API devuelven respuestas JSON.
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 Tablero → Claves API
- 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!"
Respuesta
{
"translated_text": "Hola, mundo!",
"source_language": "en",
"target_language": "es",
"translations": {
"es": "Hola, mundo!"
},
"character_count": 13,
"translation_time": 0.45
}
Autenticación
Autentica tus peticiones usando una clave API. Puedes crear claves API desde tu salpicadero.
Autenticación del encabezado (recomendada)
Authorization: Bearer ta_your_api_key_here
ApiKey Header
Authorization: ApiKey ta_your_api_key_here
Parámetro de consulta
https://api.translateapi.ai/api/v1/translate/?api_key=ta_your_api_key_here
Traducir texto
Traducir texto a un único idioma de destino.
POST https://api.translateapi.ai/api/v1/translate/
Organo de solicitud
| Parámetro | Tipo | Requerido | Descripción |
|---|---|---|---|
text |
string | Sí | Texto a traducir (máx. 50.000 caracteres) |
target_language |
string | Sí* | 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. Modelos de traducción. |
* Uso target_language (cadena) para un solo idioma o target_languages (array) para múltiplo. Traducción multitarget.
Respuesta
{
"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.
Traducción multitarget
Traducir texto a varios idiomas en una sola solicitud. Utiliza el mismo punto final que una sola traducción.
POST https://api.translateapi.ai/api/v1/translate/
Organo de solicitud
{
"text": "Hello, world!",
"target_languages": ["es", "fr", "de", "ja"],
"source_language": "en"
}
Uso target_languages (array) en lugar de target_language (cadena) para múltiples objetivos.
Respuesta
{
"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
}
Traducción por lotes
Traduzca varios textos a la vez con el procesamiento asíncrono. Envíe un lote y una encuesta para obtener resultados.
POST https://api.translateapi.ai/api/v1/translate/batch/
Paso 1: Enviar lote
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"
}'
Respuesta (HTTP 202 aceptada)
{
"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/"
}
Paso 2: Encuesta de resultados
GET https://api.translateapi.ai/api/v1/jobs/{job_id}/
Ejemplo de encuesta (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)
Respuesta (completada)
{
"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 | Descripción |
|---|---|
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). |
Lote de varios idiomas
Traducir varios textos a varios idiomas a la vez:
{
"texts": ["Hello", "Goodbye"],
"target_languages": ["es", "fr"],
"source_language": "en"
}
Resultado completado_datos
{
"translations": [
{"es": "Hola", "fr": "Bonjour"},
{"es": "Adiós", "fr": "Au revoir"}
],
"source_language": "en",
"target_languages": ["es", "fr"],
"character_count": 24,
"processing_time": 2.45
}
Parámetros de solicitud
| Parámetro | Tipo | Requerido | Descripción |
|---|---|---|---|
texts |
array | Sí | Array de cadenas para traducir |
target_language |
string | Sí* | Código del idioma de destino para el idioma único |
target_languages |
array | Sí* | Array de códigos de idiomas de destino para varios idiomas |
source_language |
string | No | Source language code. Default: "auto" |
* Proveer o bien target_language o target_languages, no las dos cosas.
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.
Traducción de documentos
Traducir documentos completos mientras se preserva el formato. Soporta múltiples formatos de archivo.
POST https://api.translateapi.ai/api/v1/translate/document/
Solicitud (múltiples partes/forma-datos)
| Parámetro | Tipo | Requerido | Descripción |
|---|---|---|---|
file |
file | Sí | El documento a traducir (máximo 10MB) |
target_language |
string | Sí | Target language code (e.g., "es", "fr", "de") |
source_language |
string | No | Source language code. Default: "auto" (auto-detect) |
Tipos de archivos compatibles
Documents
.txt- Archivos de texto plano.docx- Documentos de texto.pdf- Documentos PDF (incluidos los escaneados)
Data & Localization
.json- Archivos JSON (traduce valores de cadena).xml- Archivos XML.srt- Archivos de subtítulos.po/.pot- Archivos de traducción de Gettext
Images (OCR)
.jpg/.jpeg- Imágenes JPEG (OCR).png- Imágenes PNG (OCR).tiff/.tif- Imágenes TIFF (OCR).bmp- Imágenes BMP (OCR).webp- Imágenes WebP (OCR)
Ejemplo (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"
Respuesta
{
"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}/
Compruebe el estado de una traducción de documento o recuperar la URL de descarga.
Valores de la situación
pending |
Archivo cargado, a la espera de ser procesado |
processing |
Traducción en curso |
completed |
Traducción completa, descarga disponible |
failed |
Falló la traducción (verificar error_message) |
Idiomas compatibles
Obtenga la lista de todos los idiomas compatibles.
GET https://api.translateapi.ai/api/v1/translate/languages/
Respuesta
{
"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/
Organo de solicitud
| Parameter | Tipo | Descripción |
|---|---|---|
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!"
}'
Respuesta
{
"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).
Modelos de traducción
Utilizamos modelos de traducción de código abierto de última generación que funcionan en nuestra propia infraestructura GPU. Todos los modelos tienen licencia comercial (Apache 2.0).
| Modelo | Idiomas | Lo mejor para |
|---|---|---|
| Helsinki-NLP/opus-mt | Más de 50 pares de idiomas | Lenguas comunes (EN, ES, FR, DE, IT, PT, RU, ZH, JA, etc.) |
| Google MADLAD-400 | Más de 400 idiomas | Lenguas raras, cobertura completa |
La API selecciona automáticamente el mejor modelo para su par de idiomas. engine parámetro:
| Motor | Descripción |
|---|---|
"auto" |
Predeterminado. Tries HuggingFace primero, cae de nuevo a MADLAD-400 |
"huggingface" |
Forzar HuggingFace/MarianMT (más rápido, más de 50 idiomas) |
"madlad" |
Fuerza MADLAD-400 (400+ idiomas) |
Manejo de errores
La API utiliza códigos de estado HTTP estándar para indicar el éxito o el fracaso.
| Código | Descripción |
|---|---|
| 200 | Éxito |
| 202 | Accepted — Batch job queued successfully |
| 400 | Bad Request — Invalid parameters (missing text, unsupported language, etc.) |
| 401 | No autorizado - Clave API no válida o faltante |
| 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 | Servicio no disponible - Motor de traducción apagado temporalmente |
Formato de respuesta de error
{
"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 | Caracteres/Mes | Batch API | Documents | Precio | |
|---|---|---|---|---|---|
| Libre | 250,000 | — | — | $0 | Regístrate gratis |
| Iniciador | 2,500,000 | $9/mo | Suscribirse | ||
| Pro | 10,000,000 | $29/mo | Suscribirse | ||
| Negocios | 40,000,000 | $79/mo | Suscribirse | ||
| Escala | 125,000,000 | $199/mo | Suscribirse | ||
| Enterprise | Unlimited | $499/mo | Contact Sales |
Cuando superes tu límite, recibirás un 402 Payment Required respuesta hasta el mes siguiente o actualizar.
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