# Caliber Fitness

**Canonical:** https://apis.io/providers/caliber-fitness/  
**Website:** https://caliberstrong.com  
**APIs profiled:** 0

Caliber Fitness, Inc. is a consumer strength-training and fitness-coaching company behind the Caliber: Strength Training app (iOS and Android). Caliber combines data-driven resistance-training and nutrition programming, a library of 600+ exercises, workout tracking, and one-on-one video coaching from certified personal trainers across free, Caliber Plus, and Premium Coaching tiers. Founded by Justin Fauci and Chris Muir, the company is backed by Trinity Ventures. Caliber operates as a consumer mobile app and coaching service; it does not publish a public developer API, developer portal, or OpenAPI at this time. This profile tracks its public web, legal, and membership surface within the API Evangelist network.

## Kin Score — 15.6 / 100 (emerging)

Scored 2026-08-17 under rubric 0.11.0. Trend: flat (+0.0 from 15.6).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 6.5 |
| Commercial Clarity | 44.7 |

Regulatory layer — **Health**: 17.5 (matched via tags).

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Caliber Fitness Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, Consumer, Fitness, Health, Strength Training, Coaching, Nutrition, Mobile App

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