Starter Pack
€4.99
50,000 characters
0.10 € / 1,000 chars
Get startedTranslate long documents.
Even into Frisian.
REST API for the translations Google and DeepL won't do well. TypeScript, Python, and C# SDKs.
50,000 characters free. No credit card.
import { LinguaChain } from "@linguachain/sdk";
const client = new LinguaChain({ apiKey: process.env.LC_API_KEY });
const result = await client.translateAndWait({
text: contractText, // 140k characters
targetLanguage: "fy-NL",
});
console.log(result.chain);
// → ["en-US → nl-NL", "nl-NL → fy-NL"]
console.log(result.translation);
// → "Dizze oerienkomst wurdt oangien..."Up to 2M characters per document
Context persists across chunks. A 200-page contract reads like one translator wrote it.
65+ language pairs, including indirect routes
No direct en → fy model? We chain en → nl → fy automatically. Quality checks at every hop.
Automatic quality refinement
Five-dimension scoring. If a step scores below threshold, the translator refines before returning. You get the result, not the metrics.
Translating 61 languages
Every language below runs the full pipeline — analysis, chunking, quality refinement, and indirect routing when there's no direct model.
A
- Afrikaans / Afrikaans
- Aragonese / aragonés
- Asturian / asturianu
- Australian English / Australian English
B
- Basque / euskara
- Breton / brezhoneg
- Bulgarian / български
C
- Canadian English / English (Canada)
- Canadian French / français canadien
- Catalan / català
- Chinese (Hong Kong) / 中文（香港）
- Chinese (Simplified, China) / 简体中文（中国）
- Corsican / Corsu
- Croatian / hrvatski
- Czech / čeština
D
- Danish / dansk
- Dutch / Nederlands
- Dutch (Belgium) / Nederlands (België)
E
- English / English
- English (India) / Indian English
- English (Ireland) / English
- English (United Kingdom) / English (United Kingdom)
- Estonian / eesti
F
- Finland Swedish / finlandssvenska
- Finnish / suomi
- French / français
- French (Belgium) / français (Belgique)
- Frisian / Frysk
- Friulian / furlan
G
- Galician / galego
- German / Deutsch
- German (Belgium) / Deutsch (Belgien)
- German (Italy) / Deutsch (Italien)
- Greek / Ελληνικά
H
- Hungarian / magyar
I
- Irish / Gaeilge
- Italian / italiano
K
- Kashubian / kaszëbsczi jãzëk
L
- Ladin / ladin
- Latvian / latviešu valoda
- Lithuanian / lietuvių kalba
- Low German / Plattdüütsch / Neddersassisch
- Lower Sorbian / dolnoserbšćina
- Luxembourgish / Lëtzebuergesch
M
- Maltese / Malti
- Mirandese / mirandés
N
- New Zealand English / New Zealand English
- Northern Sami (Finland) / davvisámegiella
O
- Occitan / occitan
P
- Polish / polski
- Portuguese (Portugal) / português (Portugal)
R
- Romanian / română
S
- Sardinian / sardu
- Slovak / slovenčina
- Slovene (Italy) / slovenščina v Italiji
- Slovenian / slovenščina
- Spanish / español
- Swedish / svenska
T
- Traditional Chinese (Taiwan) / 繁體中文（臺灣）
U
- Upper Sorbian / hornjoserbšćina
W
- Welsh / Cymraeg
Pricing
Pay per character.
No subscriptions. No seats. Credits don't expire.
50,000 characters free on signup.
Professional Pack
€14.99
250,000 characters
0.06 € / 1,000 chars
Get startedEnterprise Pack
€49.99
1,000,000 characters
0.05 € / 1,000 chars
Get startedPrices ex. VAT where applicable.