Souco

Souco (株式会社souco / souco Co., Ltd.) operates a warehouse-sharing marketplace and logistics resource optimization platform in Japan, connecting cargo owners with available space across a nationwide network of 3,000+ warehouses spanning all 47 prefectures. Businesses can secure short- or long-term storage on demand for a wide range of cargo — food ingredients, apparel, machinery, and documents — under ambient, refrigerated, frozen, or temperature-controlled conditions, with pickup and delivery coordination handled by the platform. Alongside the sharing marketplace, souco offers a rental-warehouse search portal, transportation services, and the Optis engine for optimizing logistics networks, plus consulting and DX support for the logistics industry. The company is backed by 500 Global and Sumitomo Corporation's corporate venture arm. souco is a customer-facing logistics platform and does not currently publish a public developer API, SDKs, or developer documentation; its digital surface is a login-gated web application at app.souco.space.

Souco is profiled on the APIs.io network. Tagged areas include Company, Logistics, Warehousing, Supply Chain, and Marketplace.

Souco’s developer surface includes signup flow, pricing, engineering blog, support, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

17.0/100 emerging ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyLogisticsWarehousingSupply ChainMarketplaceStorageTransportationJapan

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 17.0/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 1.3 / 20

Commercial Clarity 8.9 / 20

Operational Transparency 0.0 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 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/souco: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Get Started 2

Portal, sign-up, and the first successful call

Login

SignUp

SignUp

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

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

Source (apis.yml)

aid: souco
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/souco.png
name: Souco
description: Souco (株式会社souco / souco Co., Ltd.) operates a warehouse-sharing marketplace and logistics resource optimization
  platform in Japan, connecting cargo owners with available space across a nationwide network of 3,000+ warehouses spanning
  all 47 prefectures. Businesses can secure short- or long-term storage on demand for a wide range of cargo — food ingredients,
  apparel, machinery, and documents — under ambient, refrigerated, frozen, or temperature-controlled conditions, with pickup
  and delivery coordination handled by the platform. Alongside the sharing marketplace, souco offers a rental-warehouse search
  portal, transportation services, and the Optis engine for optimizing logistics networks, plus consulting and DX support
  for the logistics industry. The company is backed by 500 Global and Sumitomo Corporation's corporate venture arm. souco
  is a customer-facing logistics platform and does not currently publish a public developer API, SDKs, or developer documentation;
  its digital surface is a login-gated web application at app.souco.space.
url: https://raw.githubusercontent.com/api-evangelist/souco/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
- sumitomo-corporation
x-tier: stub
x-tier-reason: portfolio-lead
x-api-surface: none
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Logistics
- Warehousing
- Supply Chain
- Marketplace
- Storage
- Transportation
- Japan
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://souco.space
- type: Login
  url: https://app.souco.space/login/cargo-owner
- type: SignUp
  url: https://souco.space/warehouse-provider/
- type: Pricing
  url: https://souco.space/service/simulation/
- type: Blog
  url: https://souco.space/columns/
- type: Support
  url: https://souco.space/faq/warehouse-user/
- type: TermsOfService
  url: https://souco.space/terms_of_souco_system/
- type: PrivacyPolicy
  url: https://souco.space/privacy_policy/
- type: DomainSecurity
  url: security/souco-domain-security.yml
x-enrichment:
  date: '2026-07-21'
  status: minimal
  artifacts_added: 1
  pass: local-v1