SimpleLocalize

SimpleLocalize is a web-based translation management platform that helps small and growing teams save time on handling localization files and translation strings. It provides a REST API for managing translations, languages, projects, and customers, along with integrations for CI/CD pipelines, frameworks, and AI-powered tools.

SimpleLocalize publishes 7 APIs on the APIs.io network, including Customers API, Export API, Import API, and 4 more. Tagged areas include Localization, Translation, and Internationalization.

The SimpleLocalize catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

SimpleLocalize’s developer surface includes authentication, documentation, pricing, engineering blog, CLI, and 13 more developer resources.

🌐 Visit website 📡 Source on GitHub

42.0/100 developing ▬ flat Agent 20/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemiumSelf serve⚡ Free to try

10 APIs

Localization Translation Internationalization

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 42.0/100 · developing

Contract Quality 16.7 / 25

Developer Ergonomics 8.6 / 20

Access Clarity 7.4 / 20

Operational Transparency 1.7 / 13

Contract Governance 1.2 / 12

Discoverability 6.5 / 10

Agent readiness — 20/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

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/simplelocalize: 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 10

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

Rate Limits 1

Documented rate limits and quota policies.

Simplelocalize Rate Limits

3 limits

RATE LIMITS

FinOps 1

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

JSON Schema 3

Standalone JSON Schema definitions for this provider's data models.

Examples 2

Example request and response payloads for these APIs.

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 6

SDKs, sample code, and the tooling you integrate with

PostmanWorkspace

GitHubOrg

CLI

GithubAction

VSCodeExtension

SDKs

Access & Security 3

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Source (apis.yml)

aid: simplelocalize
name: SimpleLocalize
description: SimpleLocalize is a web-based translation management platform that helps small and growing teams save time on
  handling localization files and translation strings. It provides a REST API for managing translations, languages, projects,
  and customers, along with integrations for CI/CD pipelines, frameworks, and AI-powered tools.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/simplelocalize.png
tags:
- Localization
- Translation
- Internationalization
created: '2025-02-08'
modified: '2026-05-19'
url: https://raw.githubusercontent.com/api-evangelist/simplelocalize/refs/heads/main/apis.yml
specificationVersion: '0.23'
apis:
- aid: simplelocalize:language-api
  name: SimpleLocalize Language API
  description: The SimpleLocalize Language API provides endpoints to create, list, update, and delete languages within a project.
    Each language is identified by a unique key and requires API key authentication via the X-SimpleLocalize-Token header.
  humanURL: https://simplelocalize.io/docs/api/language-api/
  baseURL: https://api.simplelocalize.io
  tags:
  - Language
  - Localization
  tags_raw:
  - Languages
  - Localization
  properties:
  - type: Documentation
    url: https://simplelocalize.io/docs/api/language-api/
- aid: simplelocalize:projects-api
  name: SimpleLocalize Projects API
  description: The SimpleLocalize Projects API allows creation and listing of translation projects. It uses Personal Token
    authentication (Bearer) rather than API keys, enabling multi-project management workflows.
  humanURL: https://simplelocalize.io/docs/api/translation-project-management/
  baseURL: https://api.simplelocalize.io
  tags:
  - Project
  - Management
  tags_raw:
  - Projects
  - Management
  properties:
  - type: Documentation
    url: https://simplelocalize.io/docs/api/translation-project-management/
- aid: simplelocalize:customer-api
  name: SimpleLocalize Customer API
  description: The SimpleLocalize Customer API enables creation and management of customer-specific translations. Customers
    represent end-user segments with their own translation overrides, identified by a unique customer key.
  humanURL: https://simplelocalize.io/docs/api/customer-specific-api/
  baseURL: https://api.simplelocalize.io
  tags:
  - Customers
  - Localization
  properties:
  - type: Documentation
    url: https://simplelocalize.io/docs/api/customer-specific-api/
- aid: simplelocalize:simplelocalize-customers-api
  name: SimpleLocalize Customers API
  description: Manage customer-specific translation segments
  humanURL: https://simplelocalize.io/docs/api/get-started/
  baseURL: https://api.simplelocalize.io
  tags:
  - Customers
  properties:
  - type: OpenAPI
    url: openapi/simplelocalize-customers-api-openapi.yml
  - type: Documentation
    url: https://simplelocalize.io/docs/api/get-started/
  - type: SwaggerUI
    url: https://api.simplelocalize.io/openapi/ui
- aid: simplelocalize:simplelocalize-export-api
  name: SimpleLocalize Export API
  description: Export translation files in various formats
  humanURL: https://simplelocalize.io/docs/api/get-started/
  baseURL: https://api.simplelocalize.io
  tags:
  - Export
  properties:
  - type: OpenAPI
    url: openapi/simplelocalize-export-api-openapi.yml
  - type: Documentation
    url: https://simplelocalize.io/docs/api/get-started/
  - type: SwaggerUI
    url: https://api.simplelocalize.io/openapi/ui
- aid: simplelocalize:simplelocalize-import-api
  name: SimpleLocalize Import API
  description: Import translation files in various formats
  humanURL: https://simplelocalize.io/docs/api/get-started/
  baseURL: https://api.simplelocalize.io
  tags:
  - Import
  properties:
  - type: OpenAPI
    url: openapi/simplelocalize-import-api-openapi.yml
  - type: Documentation
    url: https://simplelocalize.io/docs/api/get-started/
  - type: SwaggerUI
    url: https://api.simplelocalize.io/openapi/ui
- aid: simplelocalize:simplelocalize-languages-api
  name: SimpleLocalize Languages API
  description: Manage project languages
  humanURL: https://simplelocalize.io/docs/api/get-started/
  baseURL: https://api.simplelocalize.io
  tags:
  - Language
  tags_raw:
  - Languages
  properties:
  - type: OpenAPI
    url: openapi/simplelocalize-languages-api-openapi.yml
  - type: Documentation
    url: https://simplelocalize.io/docs/api/get-started/
  - type: SwaggerUI
    url: https://api.simplelocalize.io/openapi/ui
- aid: simplelocalize:simplelocalize-projects-api
  name: SimpleLocalize Projects API
  description: Manage translation projects
  humanURL: https://simplelocalize.io/docs/api/get-started/
  baseURL: https://api.simplelocalize.io
  tags:
  - Project
  tags_raw:
  - Projects
  properties:
  - type: OpenAPI
    url: openapi/simplelocalize-projects-api-openapi.yml
  - type: Documentation
    url: https://simplelocalize.io/docs/api/get-started/
  - type: SwaggerUI
    url: https://api.simplelocalize.io/openapi/ui
- aid: simplelocalize:simplelocalize-publication-api
  name: SimpleLocalize Publication API
  description: Publish translations to CDN environments
  humanURL: https://simplelocalize.io/docs/api/get-started/
  baseURL: https://api.simplelocalize.io
  tags:
  - Publication
  properties:
  - type: OpenAPI
    url: openapi/simplelocalize-publication-api-openapi.yml
  - type: Documentation
    url: https://simplelocalize.io/docs/api/get-started/
  - type: SwaggerUI
    url: https://api.simplelocalize.io/openapi/ui
- aid: simplelocalize:simplelocalize-translations-api
  name: SimpleLocalize Translations API
  description: Manage translation strings across languages and namespaces
  humanURL: https://simplelocalize.io/docs/api/get-started/
  baseURL: https://api.simplelocalize.io
  tags:
  - Translations
  properties:
  - type: OpenAPI
    url: openapi/simplelocalize-translations-api-openapi.yml
  - type: Documentation
    url: https://simplelocalize.io/docs/api/get-started/
  - type: SwaggerUI
    url: https://api.simplelocalize.io/openapi/ui
common:
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/simplelocalize/overview
- type: AgenticAccess
  url: agentic-access/simplelocalize-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/simplelocalize-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/simplelocalize-domain-security.yml
- type: Authentication
  url: authentication/simplelocalize-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/simplelocalize
- type: Website
  url: https://simplelocalize.io/
- type: Documentation
  url: https://simplelocalize.io/docs/
- type: Pricing
  url: https://simplelocalize.io/pricing/
- type: Blog
  url: https://simplelocalize.io/blog/
- type: GitHubOrg
  url: https://github.com/simplelocalize
- type: CLI
  url: https://github.com/simplelocalize/simplelocalize-cli
- type: GithubAction
  url: https://github.com/simplelocalize/github-action-cli
- type: VSCodeExtension
  url: https://github.com/simplelocalize/vscode-simplelocalize
- type: Documentation
  url: https://github.com/simplelocalize/simplelocalize-mcp-server
- type: SDKs
  url: https://github.com/simplelocalize/simplelocalize-cli-npm
- type: TermsOfService
  url: https://simplelocalize.io/terms-of-service/
- type: PrivacyPolicy
  url: https://simplelocalize.io/privacy-policy/
- type: Integrations
  url: https://simplelocalize.io/integrations/
integrations:
- name: Figma
- name: VS Code
- name: IntelliJ
- name: Shopify
- name: Webflow
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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APIs 10

Postman Collections 7

Open Collections 9

Pricing Plans 1