# Cosmic Ephemeris

**Canonical:** https://apis.io/providers/cosmic-ephemeris/  
**Website:** https://cosmicephemeris.com/  
**APIs profiled:** 1

Cosmic Ephemeris provides a comprehensive suite of astrology calculation APIs, offering 78 live endpoints covering Western, Sidereal, and Vedic astrology, symbolic readings, Tarot interpretations, and Hindu calendar data. The service supports up to 500 free monthly requests and includes SDK and MCP guides for developers.

## Kin Score — 53.8 / 100 (developing)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 65.0 |
| Contract Quality | 69.3 |
| Contract Governance | 22.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 42.3 |
| Access Clarity | 76.3 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 30.4 (matched via fallback).

## Agent readiness — 44.4 (agent-ready)

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

## APIs (3)

- **Cosmic Ephemeris Calculations API** — The Calculations API from Cosmic Ephemeris — 76 operation(s) for calculations.
- **Cosmic Ephemeris Interpretation API** — Deterministic rule-based output, distinct from raw calculation data.
- **Cosmic Ephemeris Pro timeline API** — The Pro timeline API from Cosmic Ephemeris — 1 operation(s) for pro timeline.

## MCP servers (1)

- **Cosmic Ephemeris MCP Server** — Remote MCP server at api.cosmicephemeris.com requiring an API key.

## Agentic access (1)

- **Cosmic Ephemeris Agentic Access** — 78 operations · 70 acting

## Security (3)

- **Cosmic Ephemeris Authentication** — 2 schemes
- **Cosmic Ephemeris Domain Security** — TLSv1.3 · HSTS · DMARC
- **Cosmic Ephemeris Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Cosmic Ephemeris Plans Pricing**

## Tags

Astrology, API, Developer, Data, U.S.-based

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