P2P, Inc.

P2P, Inc. is the Japanese insurtech startup behind justInCase, a smartphone-first micro-insurance (少額短期保険) provider offering short-term, on-demand consumer coverage such as smartphone protection, cancer insurance, and peer-to-peer risk-sharing products. The company was surfaced as a portfolio company of 500 Global and added to the API Evangelist network as an enrichment lead. As of this enrichment pass its justincase.jp domain returns a 307 redirect to Sony Shoutan Insurance (sony-sasti.jp), a Sony Financial Group micro-insurer, indicating the business has been absorbed. No public developer API, documentation, SDK, developer portal, or technical integration surface was found on either the original or the successor domain.

P2P, Inc. is profiled on the APIs.io network. Tagged areas include Company, Insurance, Insurtech, Micro-insurance, and Japan.

🌐 Visit website 📡 Source on GitHub

5.7/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyInsuranceInsurtechMicro-insuranceJapanFintechConsumer

Kin Score

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

Composite quality — 5.7/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 20

Commercial Clarity 0.0 / 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

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Resources

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: p2p-inc
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/p2p-inc.png
name: P2P, Inc.
description: P2P, Inc. is the Japanese insurtech startup behind justInCase, a smartphone-first micro-insurance (少額短期保険) provider
  offering short-term, on-demand consumer coverage such as smartphone protection, cancer insurance, and peer-to-peer risk-sharing
  products. The company was surfaced as a portfolio company of 500 Global and added to the API Evangelist network as an enrichment
  lead. As of this enrichment pass its justincase.jp domain returns a 307 redirect to Sony Shoutan Insurance (sony-sasti.jp),
  a Sony Financial Group micro-insurer, indicating the business has been absorbed. No public developer API, documentation,
  SDK, developer portal, or technical integration surface was found on either the original or the successor domain.
url: https://raw.githubusercontent.com/api-evangelist/p2p-inc/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
x-tier: stub
x-tier-reason: portfolio-lead
x-website-status: 307 redirect https://justincase.jp -> https://sony-sasti.jp (Sony Shoutan Insurance, Sony Financial Group);
  no independent web presence found
x-api-surface: none
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Insurance
- Insurtech
- Micro-insurance
- Japan
- Fintech
- Consumer
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://justincase.jp
x-enrichment:
  date: '2026-07-20'
  status: nochange
  artifacts_added: 0
  pass: local-v1