# Baby Age Calculator

**Canonical:** https://apis.io/providers/babyagecalculator-com/  
**Website:** https://babyagecalculator.com/  
**APIs profiled:** 2

Baby Age Calculator is a free online tool that accurately calculates a baby's exact age in years, months, weeks, and days, and provides related milestones, zodiac signs, and birthstone guides. Built with precise mathematical calculations, it supports leap years and varying month lengths, helping parents and caregivers track developmental milestones and plan pediatric appointments. The service also offers a JSON API for developers and AI tools, delivering the same data without requiring an API key or sign‑up.

## Kin Score — 19.7 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0. Trend: flat (-4.3 from 24.0).

| Facet | Score |
|---|---|
| Discoverability | 56.7 |
| Contract Quality | 22.8 |
| Contract Governance | 22.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 8.3 |
| Access Clarity | 10.5 |

Regulatory layer — **Health**: 25.0 (matched via tags).

## Agent readiness — 19.9 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| 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 | no |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Open access — onboarding: open, pricing: unknown, trial: no (confidence: low).

## APIs (2)

- **Baby Age Calculator API** — Free JSON API providing baby age, zodiac, birthstone, milestones without API key.
- **Baby Age Calculator API** — Baby Age Calculator API as documented publicly: 21 operations. Contract generated from the documentation by API Evangelist (2026-11-02); not the provider's own document.

## MCP servers (1)

- **Baby Age Calculator MCP Server** — Remote MCP server at babyagecalculator.com.

## Security (2)

- **Babyagecalculator Com Authentication** — 0 schemes
- **Babyagecalculator Com Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Babyagecalculator Com Plans Pricing**

## Tags

Baby, age, Calculator, Parenting, Health, Milestones

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