SYSTRAN

SYSTRAN is a machine translation and natural language processing company offering neural (Pure Neural Machine Translation / PNMT) translation across 50+ languages. The SYSTRAN Translate API is a RESTful service (base https://api-translate.systran.net) that translates text, files, and HTML, detects and lists supported languages, and manages translation profiles, user dictionaries, and corpora. The broader SYSTRAN Platform / SYSTRAN.io surface adds NLP operations - morphology, tokenization, segmentation, named entity recognition, and language identification. Requests authenticate with an API key (key query parameter or Authorization header). SYSTRAN sells access as a Developer cloud subscription (14-day / 500,000-character free trial) plus Professional SaaS and Enterprise cloud/on-premise plans, billed per character.

SYSTRAN publishes 8 APIs on the APIs.io network, including Corpus API, Dictionary API, File Translation API, and 5 more. Tagged areas include Machine Translation, Translation, NLP, Neural Machine Translation, and Localization.

SYSTRAN’s developer surface includes authentication, documentation, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub
37.4/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serveFree trial⚡ Free to try
8 APIs
Machine TranslationTranslationNLPNeural Machine TranslationLocalizationLanguage Detection

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 37.4/100 · thin
Contract Quality 13.4 / 25
Developer Ergonomics 3.9 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/systran: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 8

Individual APIs this provider publishes, each with its own machine-readable definition.

SYSTRAN Corpus API

The Corpus API from SYSTRAN — 11 operation(s) for corpus.

SYSTRAN Dictionary API

The Dictionary API from SYSTRAN — 14 operation(s) for dictionary.

SYSTRAN File Translation API

The File Translation API from SYSTRAN — 8 operation(s) for file translation.

SYSTRAN Language Detection API

The Language Detection API from SYSTRAN — 2 operation(s) for language detection.

SYSTRAN NLP API

The NLP API from SYSTRAN — 4 operation(s) for nlp.

SYSTRAN Profiles API

The Profiles API from SYSTRAN — 7 operation(s) for profiles.

SYSTRAN Supported Languages API

The Supported Languages API from SYSTRAN — 4 operation(s) for supported languages.

SYSTRAN Translation API

The Translation API from SYSTRAN — 4 operation(s) for translation.

Scroll for all 8

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

SYSTRAN Translate & NLP API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Systran Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Systran Rate Limits

4 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Systran Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Systran Authentication

apiKey · 2 schemes

SECURITY

Systran Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Systran Agentic Access

55 operations · 30 acting

55 operations · 30 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: systran
url: https://raw.githubusercontent.com/api-evangelist/systran/refs/heads/main/apis.yml
name: SYSTRAN
kind: company
description: SYSTRAN is a machine translation and natural language processing company offering neural (Pure Neural Machine
  Translation / PNMT) translation across 50+ languages. The SYSTRAN Translate API is a RESTful service (base https://api-translate.systran.net)
  that translates text, files, and HTML, detects and lists supported languages, and manages translation profiles, user dictionaries,
  and corpora. The broader SYSTRAN Platform / SYSTRAN.io surface adds NLP operations - morphology, tokenization, segmentation,
  named entity recognition, and language identification. Requests authenticate with an API key (key query parameter or Authorization
  header). SYSTRAN sells access as a Developer cloud subscription (14-day / 500,000-character free trial) plus Professional
  SaaS and Enterprise cloud/on-premise plans, billed per character.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: true
  try_now: true
  public: false
  label: Freemium (free trial) · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/systran.png
tags:
- Machine Translation
- Translation
- NLP
- Neural Machine Translation
- Localization
- Language Detection
created: '2026-07-03'
modified: '2026-07-03'
specificationVersion: '0.19'
apis:
- aid: systran:systran-corpus-api
  name: SYSTRAN Corpus API
  description: The Corpus API from SYSTRAN — 11 operation(s) for corpus.
  humanURL: https://docs.systran.net/translateAPI/translation/
  baseURL: https://api-translate.systran.net
  tags:
  - Corpus
  properties:
  - type: OpenAPI
    url: openapi/systran-corpus-api-openapi.yml
  - type: Documentation
    url: https://docs.systran.net/translateAPI/en/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/translation/
  - type: PostmanCollection
    url: collections/systran.postman_collection.json
  - type: OpenCollection
    url: collections/systran.opencollection.json
  - type: Documentation
    url: https://help.systrangroup.com/hc/en-us/sections/360004529440--REST-API
  - type: APIReference
    url: https://docs.systran.net/translateAPI/dictionary/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/profiles/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/corpus/
- aid: systran:systran-dictionary-api
  name: SYSTRAN Dictionary API
  description: The Dictionary API from SYSTRAN — 14 operation(s) for dictionary.
  humanURL: https://docs.systran.net/translateAPI/translation/
  baseURL: https://api-translate.systran.net
  tags:
  - Dictionary
  properties:
  - type: OpenAPI
    url: openapi/systran-dictionary-api-openapi.yml
  - type: Documentation
    url: https://docs.systran.net/translateAPI/en/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/translation/
  - type: PostmanCollection
    url: collections/systran.postman_collection.json
  - type: OpenCollection
    url: collections/systran.opencollection.json
  - type: Documentation
    url: https://help.systrangroup.com/hc/en-us/sections/360004529440--REST-API
  - type: APIReference
    url: https://docs.systran.net/translateAPI/dictionary/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/profiles/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/corpus/
- aid: systran:systran-file-translation-api
  name: SYSTRAN File Translation API
  description: The File Translation API from SYSTRAN — 8 operation(s) for file translation.
  humanURL: https://docs.systran.net/translateAPI/translation/
  baseURL: https://api-translate.systran.net
  tags:
  - File Translation
  properties:
  - type: OpenAPI
    url: openapi/systran-file-translation-api-openapi.yml
  - type: Documentation
    url: https://docs.systran.net/translateAPI/en/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/translation/
  - type: PostmanCollection
    url: collections/systran.postman_collection.json
  - type: OpenCollection
    url: collections/systran.opencollection.json
  - type: Documentation
    url: https://help.systrangroup.com/hc/en-us/sections/360004529440--REST-API
  - type: APIReference
    url: https://docs.systran.net/translateAPI/dictionary/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/profiles/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/corpus/
- aid: systran:systran-language-detection-api
  name: SYSTRAN Language Detection API
  description: The Language Detection API from SYSTRAN — 2 operation(s) for language detection.
  humanURL: https://docs.systran.net/translateAPI/translation/
  baseURL: https://api-translate.systran.net
  tags:
  - Language Detection
  properties:
  - type: OpenAPI
    url: openapi/systran-language-detection-api-openapi.yml
  - type: Documentation
    url: https://docs.systran.net/translateAPI/en/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/translation/
  - type: PostmanCollection
    url: collections/systran.postman_collection.json
  - type: OpenCollection
    url: collections/systran.opencollection.json
  - type: Documentation
    url: https://help.systrangroup.com/hc/en-us/sections/360004529440--REST-API
  - type: APIReference
    url: https://docs.systran.net/translateAPI/dictionary/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/profiles/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/corpus/
- aid: systran:systran-nlp-api
  name: SYSTRAN NLP API
  description: The NLP API from SYSTRAN — 4 operation(s) for nlp.
  humanURL: https://docs.systran.net/translateAPI/translation/
  baseURL: https://api-translate.systran.net
  tags:
  - NLP
  properties:
  - type: OpenAPI
    url: openapi/systran-nlp-api-openapi.yml
  - type: Documentation
    url: https://docs.systran.net/translateAPI/en/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/translation/
  - type: PostmanCollection
    url: collections/systran.postman_collection.json
  - type: OpenCollection
    url: collections/systran.opencollection.json
  - type: Documentation
    url: https://help.systrangroup.com/hc/en-us/sections/360004529440--REST-API
  - type: APIReference
    url: https://docs.systran.net/translateAPI/dictionary/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/profiles/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/corpus/
- aid: systran:systran-profiles-api
  name: SYSTRAN Profiles API
  description: The Profiles API from SYSTRAN — 7 operation(s) for profiles.
  humanURL: https://docs.systran.net/translateAPI/translation/
  baseURL: https://api-translate.systran.net
  tags:
  - Profiles
  properties:
  - type: OpenAPI
    url: openapi/systran-profiles-api-openapi.yml
  - type: Documentation
    url: https://docs.systran.net/translateAPI/en/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/translation/
  - type: PostmanCollection
    url: collections/systran.postman_collection.json
  - type: OpenCollection
    url: collections/systran.opencollection.json
  - type: Documentation
    url: https://help.systrangroup.com/hc/en-us/sections/360004529440--REST-API
  - type: APIReference
    url: https://docs.systran.net/translateAPI/dictionary/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/profiles/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/corpus/
- aid: systran:systran-supported-languages-api
  name: SYSTRAN Supported Languages API
  description: The Supported Languages API from SYSTRAN — 4 operation(s) for supported languages.
  humanURL: https://docs.systran.net/translateAPI/translation/
  baseURL: https://api-translate.systran.net
  tags:
  - Supported Languages
  properties:
  - type: OpenAPI
    url: openapi/systran-supported-languages-api-openapi.yml
  - type: Documentation
    url: https://docs.systran.net/translateAPI/en/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/translation/
  - type: PostmanCollection
    url: collections/systran.postman_collection.json
  - type: OpenCollection
    url: collections/systran.opencollection.json
  - type: Documentation
    url: https://help.systrangroup.com/hc/en-us/sections/360004529440--REST-API
  - type: APIReference
    url: https://docs.systran.net/translateAPI/dictionary/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/profiles/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/corpus/
- aid: systran:systran-translation-api
  name: SYSTRAN Translation API
  description: The Translation API from SYSTRAN — 4 operation(s) for translation.
  humanURL: https://docs.systran.net/translateAPI/translation/
  baseURL: https://api-translate.systran.net
  tags:
  - Translation
  properties:
  - type: OpenAPI
    url: openapi/systran-translation-api-openapi.yml
  - type: Documentation
    url: https://docs.systran.net/translateAPI/en/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/translation/
  - type: PostmanCollection
    url: collections/systran.postman_collection.json
  - type: OpenCollection
    url: collections/systran.opencollection.json
  - type: Documentation
    url: https://help.systrangroup.com/hc/en-us/sections/360004529440--REST-API
  - type: APIReference
    url: https://docs.systran.net/translateAPI/dictionary/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/profiles/
  - type: APIReference
    url: https://docs.systran.net/translateAPI/corpus/
common:
- type: AgenticAccess
  url: agentic-access/systran-agentic-access.yml
- type: DomainSecurity
  url: security/systran-domain-security.yml
- type: Authentication
  url: authentication/systran-authentication.yml
- type: GitHubOrganization
  url: https://github.com/SYSTRAN
- type: LinkedIn
  url: https://www.linkedin.com/company/systran
- type: Website
  url: https://www.systran.net
- type: Documentation
  url: https://docs.systran.net/translateAPI/en/
- type: Plans
  url: plans/systran-plans-pricing.yml
- type: RateLimits
  url: rate-limits/systran-rate-limits.yml
- type: FinOps
  url: finops/systran-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com