Google Fit REST website screenshot

Google Fit REST

The Google Fit REST API enables you to store and access health and wellness data in the fitness store from apps on any platform. You can manage data sources, datasets, sessions, and aggregate fitness data for activities like steps, heart rate, sleep, and workouts.

Google Fit REST publishes 1 API on the APIs.io network: Users API. Tagged areas include Activity Tracking, Fitness, Google, Health, and Sessions.

The Google Fit REST catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Google Fit REST’s developer surface includes authentication, getting-started guide, pricing, and 5 more developer resources.

49.9/100 developing ▼ -6.6 Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
1 APIs
Activity TrackingFitnessGoogleHealthSessionsWearablesWellness

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 49.9/100 · developing
Contract Quality 17.6 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 4.1 / 13
Governance 7.0 / 12
Discoverability 6.9 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/google-fitness: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Google Fit REST Users API

The Users API from Google Fit REST — 6 operation(s) for users.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Google Fit REST API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Google Fitness Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Fitness Context

12 classes · 2 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Google Fit REST API Rules

5 rules · 3 warnings 2 info

SPECTRAL

Google Fit REST API Rules

19 rules · 11 errors 6 warnings 2 info

SPECTRAL

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

Google Fit Session

9 properties

JSON SCHEMA

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Google Fitness Authentication

oauth2 · 1 scheme

SECURITY

Google Fitness Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Google Fitness Vulnerability Disclosure

security.txt · contact published

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Google Fitness Scopes

6 scopes · authorizationCode

6 scopes

SCOPES

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Google Fitness Agentic Access

9 operations · 5 acting

9 operations · 5 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Access & Security 4

Authentication, authorization, and security posture

Commercial 1

Pricing, plans, and the legal terms of use

Source (apis.yml)

apis.yml Raw ↑
name: Google Fit REST
description: The Google Fit REST API enables you to store and access health and wellness data in the fitness store from apps
  on any platform. You can manage data sources, datasets, sessions, and aggregate fitness data for activities like steps,
  heart rate, sleep, and workouts.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/google-fitness.png
url: https://raw.githubusercontent.com/api-evangelist/google-fitness/refs/heads/main/apis.yml
created: '2026-03-13'
modified: '2026-05-19'
specificationVersion: '0.18'
tags:
- Activity Tracking
- Fitness
- Google
- Health
- Sessions
- Wearables
- Wellness
apis:
- aid: google-fitness:google-fitness-users-api
  name: Google Fit REST Users API
  description: The Users API from Google Fit REST — 6 operation(s) for users.
  humanURL: https://developers.google.com/fit
  baseURL: https://www.googleapis.com/fitness/v1
  tags:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/google-fitness-users-api-openapi.yml
  - type: JSONSchema
    url: json-schema/fitness.json
common:
- type: AgenticAccess
  url: agentic-access/google-fitness-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/google-fitness-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/google-fitness-domain-security.yml
- type: Authentication
  url: authentication/google-fitness-authentication.yml
- type: OAuthScopes
  url: scopes/google-fitness-scopes.yml
- type: GettingStarted
  url: https://developers.google.com/fit/rest/v1/get-started
- type: Pricing
  url: https://developers.google.com/fit/terms
- type: JSONLD
  url: json-ld/fitness.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com