Bulk Translation API

Bulk Translation API for Large-Scale Content

Translate thousands of texts instantly using the TranslatePlus Bulk Translation API. Process large datasets, product catalogs, and multilingual content workflows with high-speed batch translation.

Translate Thousands of Texts in One Request

Many applications need to translate large volumes of content such as product descriptions, chat logs, or database records.

The TranslatePlus Batch Translation API allows developers to send multiple text inputs in a single request and receive translations instantly.

  • large scale translation workflows
  • automated localization pipelines
  • multilingual data processing

Why batch translation

This allows applications to translate hundreds or thousands of texts efficiently, while keeping latency and overhead under control.

Translate content libraries
Process 130+ languages
High-speed batch responses
Reliable translation infrastructure
How it works

Batch Translate with a Single API Request

Use one HTTP request to translate many texts at once, ideal for high-volume translation workflows.

  • Send an array of texts and a target language.
  • Translate instantly with optimized batch infrastructure.
  • Receive translations in one response payload.
Request
curl -X POST https://api.translateplus.io/v2/translate/batch \
  -H "X-API-KEY: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "texts": [
    "Welcome to our website",
    "Add to cart",
    "Checkout"
  ],
  "target": "es"
}'
Response
{
  "translations": [
    "Bienvenido a nuestro sitio web",
    "Agregar al carrito",
    "Pagar"
  ],
  "source_language": "en",
  "target_language": "es"
}

Key Features of the Bulk Translation API

Built for speed, scale, and multilingual datasets.

Translate Large Datasets

Translate large collections of text such as product catalogs, articles, or user-generated content.

Faster Than Single Requests

Send multiple text inputs in one API request to reduce overhead and improve performance.

Scalable Translation Infrastructure

Designed to process high-volume translation workloads with consistent response times.

130+ Supported Languages

Translate large datasets across all major global languages.

Use Cases for Batch Translation

Common workflows that benefit from translating many texts at once.

Translate Product Catalogs

E-commerce platforms translate thousands of product titles and descriptions for international markets.

Translate Website Content

Automatically translate large collections of articles or pages.

Translate User Generated Content

Process posts, comments, and reviews for multilingual communities.

Localization Pipelines

Integrate batch translation into content pipelines for SaaS platforms and global marketplaces.

When to Use the Batch Translation API

Use the TranslatePlus Batch Translation API when you need to translate large volumes of text efficiently.

  • translate thousands of texts
  • translate structured datasets
  • process multilingual data pipelines
  • optimize translation performance

Need single text translation?

If you only need to translate a single text input, use the Text Translation API instead.

Choose batch for high-volume workflows.

Compare Translation APIs

See when to use the Text Translation API versus the Batch Translation API.

FeatureText Translation APIBatch Translation API
Translate single text
Translate multiple texts
Bulk dataset translation
Optimized for large workloads

Translate Text into 130+ Languages

translation api languages for global datasets, catalogs, and multilingual workflows.

SpanishFrenchGermanArabicPortugueseChineseJapaneseHindi
Explore full list

Translate thousands of records without language complexity.

Batch-friendly workflow

Send an array of texts to the batch endpoint and receive translations in one response payload.

Fast + consistent results
Optimized for large datasets

fast translation api

High-speed performance for bulk workloads with <300ms average translation latency.

<300ms
translation latency
130+
languages
Millions/day
translations processed daily
Scale
scalable translation infrastructure

Explore Other Translation APIs

TranslatePlus offers specialized APIs for different translation workflows.

Text Translation API

Translate single text inputs instantly using a REST endpoint.

HTML Translation API

Translate website content while preserving HTML structure.

Email Translation API

Translate emails and transactional templates reliably.

Subtitle Translation API

Automatically translate SRT subtitle files.

Language Detection API

Detect the language of any text before translation.

Frequently Asked Questions

Start Translating Content at Scale

Integrate the TranslatePlus Bulk Translation API to translate large volumes of content quickly and efficiently.