# thirdtrail-life

**Canonical:** https://apis.io/providers/thirdtrail-life/  
**Website:** https://thirdtrail.life/  
**APIs profiled:** 1

Third Trail provides REST APIs delivering precise astronomical and tidal data for any location on Earth. Their services include sunrise and sunset times, twilight phases, moon phases, solar irradiance, and tide heights, all corrected for elevation. The platform offers a free tier with flat monthly pricing, catering to developers building weather, navigation, photography, and marine applications. Detailed documentation, quickstart guides, and SDKs are available to help integrate the data quickly.

## Kin Score — 60.5 / 100 (strong)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 61.7 |
| Contract Quality | 43.5 |
| Contract Governance | 79.1 |
| Operational Transparency | 28.4 |
| Developer Ergonomics | 63.6 |
| Access Clarity | 73.2 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 34.3 (matched via fallback).

## Agent readiness — 32.3 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | unknown |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | unknown |
| 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 | na |
| Operation Distinctiveness | distinct |

## APIs (5)

- **thirdtrail-life Ephemerides API** — Sun and moon rise, set, transit, twilight and phase.
- **thirdtrail-life MCP API** — The mcp API from thirdtrail-life — 1 operation(s) for mcp.
- **thirdtrail-life Solar API** — Solar position and clear-sky irradiance (NREL SPA-equivalent, Bird model).
- **thirdtrail-life Tides API** — Astronomical tides from the FES2022 global atlas.
- **thirdtrail-life Utility API** — Connectivity and key-verification helpers.

## MCP servers (1)

- **thirdtrail-life MCP Server** — Remote MCP server at thirdtrail.life.

## Agentic access (1)

- **Thirdtrail Life Agentic Access** — 26 operations · 8 acting

## Security (2)

- **Thirdtrail Life Authentication** — 1 scheme
- **Thirdtrail Life Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Thirdtrail Life Plans Pricing**

## Tags

Company, Astronomy, Tides, Solar, API

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