# shirabe-dev

**Canonical:** https://apis.io/providers/shirabe-dev/  
**Website:** https://shirabe.dev/  
**APIs profiled:** 1

Shirabe is an API platform providing deterministic Japanese data via four REST APIs: calendar, address normalization, Japanese text processing, and corporate number verification. It guarantees consistent JSON schema responses, low cost per call, and includes attribution to public data sources. The service offers free tier usage without registration and targets AI agents needing reliable factual data.

## Kin Score — 54.9 / 100 (strong)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 64.8 |
| Contract Governance | 79.1 |
| Operational Transparency | 15.8 |
| Developer Ergonomics | 35.7 |
| Access Clarity | 60.0 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 24.5 (matched via fallback).

## Agent readiness — 44.1 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | unknown |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | verified |
| Rate Limit Signal | verified |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | paginated |
| Operation Distinctiveness | distinct |

## APIs (3)

- **shirabe-dev Calendar API** — 暦情報の取得
- **shirabe-dev Hub API** — 複合正規化（住所・人名・法人番号・暦を 1 コールで横断）
- **shirabe-dev System API** — システム情報

## Agentic access (1)

- **Shirabe Dev Agentic Access** — 5 operations · 1 acting

## Security (2)

- **Shirabe Dev Authentication** — apiKey · 1 scheme
- **Shirabe Dev Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Shirabe Dev Plans Pricing**

## Tags

API Platform, Japanese Data, Deterministic, Free Tier, AI Integration

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/shirabe-dev/). Scores are computed from the provider's own public artifacts under a published rubric.