Lilt

LILT is an AI translation and localization platform that pairs contextual, adaptive machine translation with human linguist verification. The LILT REST API (https://api.lilt.com) exposes the platform programmatically: adaptive machine translation, large-scale translation memory and the Lexicon termbase, document and file translation, job/project/segment management, Lilt Create multilingual content generation, workflow templates, domains, cloud and multipart uploads, and webhook configuration. LILT also ships connectors for CMS, DAM and repository systems, first-party Python, Node and Java SDKs, and a hosted remote MCP server at mcp.lilt.com for agent-driven translation.

Lilt publishes 1 API on the APIs.io network. Tagged areas include Company, Ai, Translation, Localization, and Machine Translation.

The Lilt catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Lilt’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, pricing, signup flow, and 27 more developer resources.

🌐 Visit website 📡 Source on GitHub
54.5/100 developing Agent 67/100 agent native Full breakdown ↓
scored 2026-07-20 · rubric v0.4
1 APIs 1 MCP Servers 0 Features
CompanyAiTranslationLocalizationMachine TranslationLanguageContentTranslation MemoryAgents

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4
Composite quality — 54.5/100 · developing
Contract Quality 12.6 / 25
Developer Ergonomics 14.8 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 5.8 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 67/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
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/lilt: 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

LILT API

The LILT REST API enables programmatic access to LILT backend services: training of and translating with interactive adaptive machine translation, large-scale translation memory...

MCP Servers

lilt-mcp.yml

MCP SERVER

Rate Limits

Lilt Rate Limits

0 limits

RATE LIMITS

Event Specifications

Lilt Webhooks

ASYNCAPI

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp

Documentation 3

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference
 OpenAPI
OpenAPI

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt
LLMsTxt
 MCPServer
MCPServer
 AgentSkill
AgentSkill
 WellKnown
WellKnown

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 ErrorCatalog
ErrorCatalog
 Lifecycle
Lifecycle
 Conformance
Conformance
 DataModel
DataModel
 Webhooks
Webhooks

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages
 SDKs
SDKs

Access & Security 5

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 Compliance
Compliance
 Authentication
Authentication
 OAuthScopes
OAuthScopes
 DomainSecurity
DomainSecurity

Operate 4

Status, limits, changes, and where to get help

Support
Support
 StatusPage
StatusPage
 ChangeLog
ChangeLog
 RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

Overlay
Overlay

Source (apis.yml)

apis.yml Raw ↑ 
aid: lilt
name: Lilt
description: 'LILT is an AI translation and localization platform that pairs contextual, adaptive machine translation with
  human linguist verification. The LILT REST API (https://api.lilt.com) exposes the platform programmatically: adaptive machine
  translation, large-scale translation memory and the Lexicon termbase, document and file translation, job/project/segment
  management, Lilt Create multilingual content generation, workflow templates, domains, cloud and multipart uploads, and webhook
  configuration. LILT also ships connectors for CMS, DAM and repository systems, first-party Python, Node and Java SDKs, and
  a hosted remote MCP server at mcp.lilt.com for agent-driven translation.'
image: https://lilt.com/favicon-32x32.png
url: https://raw.githubusercontent.com/api-evangelist/lilt/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- redpoint-ventures
x-tier: enriched
x-tier-reason: pipeline-enriched
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Ai
- Translation
- Localization
- Machine Translation
- Language
- Content
- Translation Memory
- Agents
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- aid: lilt:lilt-api
  name: LILT API
  description: 'The LILT REST API enables programmatic access to LILT backend services: training of and translating with interactive
    adaptive machine translation, large-scale translation memory, the Lexicon termbase, programmatic control of the LILT CAT
    environment, translation memory synchronization, document and file translation, jobs, projects and segments, Lilt Create
    content generation, workflow templates, domains, uploads and webhook configuration. Requests and responses are JSON and
    the API responds only to HTTPS.'
  humanURL: https://support.lilt.com/developers/introduction
  baseURL: https://api.lilt.com
  tags:
  - Translation
  - Localization
  - Machine Translation
  - Translation Memory
  - Content
  properties:
  - type: OpenAPI
    url: openapi/lilt-openapi-original.yml
  - type: Documentation
    url: https://support.lilt.com/developers/introduction
  - type: APIReference
    url: https://support.lilt.com/api-reference/languages/retrieve-supported-languages
  - type: GettingStarted
    url: https://support.lilt.com/developers/quickstart
  - type: Authentication
    url: authentication/lilt-authentication.yml
  - type: RateLimits
    url: rate-limits/lilt-rate-limits.yml
  - type: Overlay
    url: overlays/lilt-api-overlay.yaml
common:
- type: TrustCenter
  url: security/lilt-trust-center.yml
- type: Website
  url: https://lilt.com/
- type: DeveloperPortal
  url: https://support.lilt.com/developers/introduction
- type: Documentation
  url: https://support.lilt.com/developers/introduction
- type: APIReference
  url: https://support.lilt.com/api-reference/languages/retrieve-supported-languages
- type: GettingStarted
  url: https://support.lilt.com/developers/quickstart
- type: Support
  url: https://support.lilt.com/kb/contacting-support-submitting-feature-requests
- type: Blog
  url: https://lilt.com/blog
- type: GitHubOrganization
  url: https://github.com/lilt
- type: Pricing
  url: https://lilt.com/pricing
- type: SignUp
  url: https://lilt.com/signin
- type: TermsOfService
  url: https://lilt.com/website-terms-of-use
- type: PrivacyPolicy
  url: https://lilt.com/legal/privacy
- type: StatusPage
  url: https://status.lilt.com/
- type: Compliance
  url: https://trust.lilt.com/
- type: OpenAPI
  url: openapi/lilt-openapi-original.yml
- type: LLMsTxt
  url: llms/lilt-llms.txt
- type: MCPServer
  url: mcp/lilt-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Packages
  url: packages/lilt-packages.yml
- type: SDKs
  url: packages/lilt-packages.yml
- type: Authentication
  url: authentication/lilt-authentication.yml
- type: OAuthScopes
  url: scopes/lilt-scopes.yml
- type: Conventions
  url: conventions/lilt-conventions.yml
- type: ErrorCatalog
  url: errors/lilt-problem-types.yml
- type: Lifecycle
  url: lifecycle/lilt-lifecycle.yml
- type: ChangeLog
  url: changelog/lilt-changelog.yml
- type: Conformance
  url: conformance/lilt-conformance.yml
- type: DataModel
  url: data-model/lilt-data-model.yml
- type: Webhooks
  url: asyncapi/lilt-webhooks.yml
- type: WellKnown
  url: well-known/lilt-well-known.yml
- type: DomainSecurity
  url: security/lilt-domain-security.yml
- type: Overlay
  url: overlays/lilt-api-overlay.yaml
- type: RateLimits
  url: rate-limits/lilt-rate-limits.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence