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WeFitter

WeFitter is a health and fitness data platform ("one API to access wearable data, gamification and AI") operated by Thunderbyte.AI in Groningen, Netherlands. Its REST API aggregates health and activity data from 300+ wearables and fitness apps — Fitbit, Garmin, Google Fit, Apple Health, Withings, Polar, Oura, Whoop, Samsung Health, Huawei and more — into a single unified, deduplicated data model, and layers gamification (challenges, leaderboards, teams, points) and AI insights (biological age, recommendations) on top. Organizations use it to build corporate wellbeing, digital fitness, e-health and insurance solutions. WeFitter also ships mobile SDK bridges for Apple Health, Samsung Health and Android Health Connect.

agent aware

Real signal across most facets with visible, nameable gaps — the contract exists but is thin, or the portal is good while governance and commercial terms are absent.

Kin Score

API Evangelist profiles WeFitter the way a machine reads it — 23 machine-readable artifacts across 1 API, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.

Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — WeFitter scores 47.4/100 (developing), with a separate agent-readiness read of 25/100 (agent aware). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.

Kin Score

This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance. Every facet and dimension name is a link: it opens that measurement's page on APIs.io, where the rating runs across the whole catalog — the exact checks that feed it, how every profiled provider distributes on it, and who is at the top of it.

Kin Score Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0
WeFitter Kin Score — API readiness rating by API Evangelist

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<!-- Kin Score · API Evangelist -->
<a href="https://providers.apievangelist.com/providers/wefitter/"
   title="WeFitter on API Evangelist — API profile and Kin Score">
  <img src="https://apis.io/badge/wefitter.svg"
       alt="WeFitter Kin Score — API readiness rating by API Evangelist" width="150" height="150" loading="lazy">
</a>

More shapes, themes and sizes → · Score as JSON · How badges work

How we profile WeFitter

Each block below is one kind of artifact we hold for WeFitter. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.

APIs 9

Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.

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

WeFitter app API

The app API from WeFitter — 1 operation(s) for app.

WeFitter challenge API

WeFitter API’s challenge engine will bring endless engagement to your platform. For more information about the possibilities in challenges please go to https://www.wefitter.com/...

WeFitter connection API

Connections are the links between profiles and their wearables.

WeFitter insights API

The insights API from WeFitter — 1 operation(s) for insights.

WeFitter loyalty API

The loyalty API from WeFitter — 2 operation(s) for loyalty.

WeFitter notification API

Send a notification to all devices for the specified profiles The data will be sent to the client in the following format: ``` { "app": , "title": , "body"...</p> </div> <div class="item-card"> <h4><a href="https://apis.io/apis/wefitter/wefitter-profile-api/" target="_blank" rel="noopener">WeFitter profile API</a></h4><p>Profiles are containers for wearables data. The profiles can be seen as an extension of users in a different system. Profiles are anonymous objects which can participate in team...</p> </div> <div class="item-card"> <h4><a href="https://apis.io/apis/wefitter/wefitter-team-api/" target="_blank" rel="noopener">WeFitter team API</a></h4><p>The team API from WeFitter — 5 operation(s) for team.</p> </div> <div class="item-card"> <h4><a href="https://apis.io/apis/wefitter/wefitter-token-api/" target="_blank" rel="noopener">WeFitter token API</a></h4><p><p> Before any calls can be made to wefitter, BasicAuth is needed to verify the identity of the requesting party. This call will result into a Bearer token which has administrat...</p> </div> </div><p class="scroll-hint">Scroll within the panel for all 9 ·</p> </section> <section class="artifact-section"> <h2 class="section-anchor" id="open-collections"><a href="#open-collections">Open Collections</a> <span class="section-count">10</span></h2><p class="section-why">Open, tool-agnostic collections carry the same runnable value as Postman without locking you to one client — the portable, forkable form of the same exercise.</p><p class="section-blurb">Open, tool-agnostic API collections (OpenAPI-derived and Bruno).</p> <div class="card-grid scroll-pane"> <div class="item-card" style="border-left: 3px solid #ea580c;"> <h4><a href="https://apis.io/collections/wefitter/open-.refine-report/" target="_blank" rel="noopener">API Collection</a></h4><span class="card-badge" style="background: #ea580c;">OPEN COLLECTION</span> </div> <div class="item-card" style="border-left: 3px solid #ea580c;"> <h4><a href="https://apis.io/collections/wefitter/open-wefitter-app-api/" target="_blank" rel="noopener">WeFitter app API</a></h4><span class="card-badge" style="background: #ea580c;">OPEN COLLECTION</span> </div> <div class="item-card" style="border-left: 3px solid #ea580c;"> <h4><a href="https://apis.io/collections/wefitter/open-wefitter-challenge-api/" target="_blank" rel="noopener">WeFitter app challenge API</a></h4><span class="card-badge" style="background: #ea580c;">OPEN COLLECTION</span> </div> <div class="item-card" style="border-left: 3px solid #ea580c;"> <h4><a href="https://apis.io/collections/wefitter/open-wefitter-connection-api/" target="_blank" rel="noopener">WeFitter app connection API</a></h4><span class="card-badge" style="background: #ea580c;">OPEN COLLECTION</span> </div> <div class="item-card" style="border-left: 3px solid #ea580c;"> <h4><a href="https://apis.io/collections/wefitter/open-wefitter-insights-api/" target="_blank" rel="noopener">WeFitter app insights API</a></h4><span class="card-badge" style="background: #ea580c;">OPEN COLLECTION</span> </div> <div class="item-card" style="border-left: 3px solid #ea580c;"> <h4><a href="https://apis.io/collections/wefitter/open-wefitter-loyalty-api/" target="_blank" rel="noopener">WeFitter app loyalty API</a></h4><span class="card-badge" style="background: #ea580c;">OPEN COLLECTION</span> </div> <div class="item-card" style="border-left: 3px solid #ea580c;"> <h4><a href="https://apis.io/collections/wefitter/open-wefitter-notification-api/" target="_blank" rel="noopener">WeFitter app notification API</a></h4><span class="card-badge" style="background: #ea580c;">OPEN COLLECTION</span> </div> <div class="item-card" style="border-left: 3px solid #ea580c;"> <h4><a href="https://apis.io/collections/wefitter/open-wefitter-profile-api/" target="_blank" rel="noopener">WeFitter app profile API</a></h4><span class="card-badge" style="background: #ea580c;">OPEN COLLECTION</span> </div> <div class="item-card" style="border-left: 3px solid #ea580c;"> <h4><a href="https://apis.io/collections/wefitter/open-wefitter-team-api/" target="_blank" rel="noopener">WeFitter app team API</a></h4><span class="card-badge" style="background: #ea580c;">OPEN COLLECTION</span> </div> <div class="item-card" style="border-left: 3px solid #ea580c;"> <h4><a href="https://apis.io/collections/wefitter/open-wefitter-token-api/" target="_blank" rel="noopener">WeFitter app token API</a></h4><span class="card-badge" style="background: #ea580c;">OPEN COLLECTION</span> </div> </div><p class="scroll-hint">Scroll within the panel for all 10 ·</p> </section> <section class="artifact-section"> <h2 class="section-anchor" id="asyncapis"><a href="#asyncapis">Event Specifications</a> <span class="section-count">1</span></h2><p class="section-why">Not every API is request/response. AsyncAPI describes the event-driven and streaming side — the webhooks and channels — so the asynchronous half of the interface is documented the same way the synchronous half is.</p><p class="section-blurb">AsyncAPI definitions for this provider's event-driven and streaming APIs.</p> <div class="card-grid scroll-pane"> <div class="item-card" style="border-left: 3px solid #1e40af;"> <h4><a href="https://apis.io/asyncapis/wefitter/wefitter-webhooks/" target="_blank" rel="noopener">Wefitter Webhooks</a></h4><p></p><span class="card-badge" style="background: #1e40af;">ASYNCAPI</span> </div> </div> </section> <section class="artifact-section"> <h2 class="section-anchor" id="security"><a href="#security">Security Posture</a> <span class="section-count">2</span></h2><p class="section-why">Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.</p><p class="section-blurb">Authentication, domain security, vulnerability disclosure, and trust-center signals.</p> <div class="card-grid scroll-pane"> <div class="item-card" style="border-left: 3px solid #b91c1c;"> <h4><a href="https://apis.io/security/wefitter/wefitter-authentication/" target="_blank" rel="noopener">Wefitter Authentication</a></h4><p>apiKey/http · 2 schemes</p><span class="card-badge" style="background: #b91c1c;">SECURITY</span> </div> <div class="item-card" style="border-left: 3px solid #b91c1c;"> <h4><a href="https://apis.io/security/wefitter/wefitter-domain-security/" target="_blank" rel="noopener">Wefitter Domain Security</a></h4><p>TLSv1.3 · HSTS · DNSSEC · DMARC</p><span class="card-badge" style="background: #b91c1c;">SECURITY</span> </div> </div> </section> <section class="artifact-section"> <h2 class="section-anchor" id="agentic-access"><a href="#agentic-access">Agentic Access</a> <span class="section-count">1</span></h2><p class="section-why">An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.</p><p class="section-blurb">Recommended x-agentic-access execution contracts for AI agents.</p> <div class="card-grid scroll-pane"> <div class="item-card" style="border-left: 3px solid #6d28d9;"> <h4><a href="https://apis.io/agentic-access/wefitter/wefitter-agentic-access/" target="_blank" rel="noopener">Wefitter Agentic Access</a></h4><p>77 operations · 34 acting</p><p class="card-meta">77 operations · 34 acting</p><span class="card-badge" style="background: #6d28d9;">AGENTIC</span> </div> </div> </section> <h2 class="section-anchor" id="resources"><a href="#resources">Resources</a></h2> <p class="section-why">Every other property we hold for WeFitter — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.</p> <div class="res-group"> <div class="res-group-head"> <h3 id="resources-start">Get Started <span class="res-count">3</span></h3> <p>Portal, sign-up, and the first successful call</p> </div> <div class="card-grid"> <a href="https://www.wefitter.com/en-us/developers/" target="_blank" rel="noopener" class="item-card res-card res-start"> <strong>DeveloperPortal</strong> <div class="res-type">DeveloperPortal</div> </a> <a href="https://www.wefitter.com/en-us/developers/getting-started/" target="_blank" rel="noopener" class="item-card res-card res-start"> <strong>GettingStarted</strong> <div class="res-type">GettingStarted</div> </a> <a href="https://api.wefitter.com/dashboard" target="_blank" rel="noopener" class="item-card res-card res-start"> <strong>SignUp</strong> <div class="res-type">SignUp</div> </a> </div> </div> <div class="res-group"> <div class="res-group-head"> <h3 id="resources-docs">Documentation <span class="res-count">4</span></h3> <p>Reference material describing how the API behaves</p> </div> <div class="card-grid"> <a href="https://www.wefitter.com/en-us/developers/documentation/" target="_blank" rel="noopener" class="item-card res-card res-docs"> <strong>Documentation</strong> <div class="res-type">Documentation</div> </a> <a href="https://api.wefitter.com/api/v1.3/redoc/" target="_blank" rel="noopener" class="item-card res-card res-docs"> <strong>APIReference</strong> <div class="res-type">APIReference</div> </a> <a href="https://www.wefitter.com/en-us/developers/guides/" target="_blank" rel="noopener" class="item-card res-card res-docs"> <strong>Guides</strong> <div class="res-type">Guides</div> </a> <a href="openapi/_original/wefitter-openapi-original.json" target="_blank" rel="noopener" class="item-card res-card res-docs"> <strong>OpenAPI</strong> <div class="res-type">OpenAPI</div> </a> </div> </div> <div class="res-group"> <div class="res-group-head"> <h3 id="resources-agent">Agent Surfaces <span class="res-count">4</span></h3> <p>MCP servers, agent skills, and machine-readable catalogs</p> </div> <div class="card-grid"> <a href="mcp/wefitter-mcp.yml" target="_blank" rel="noopener" class="item-card res-card res-agent"> <strong>X-MCPServerCandidate</strong> <div class="res-type">X-MCPServerCandidate</div> </a> <a href="llms/wefitter-llms.txt" target="_blank" rel="noopener" class="item-card res-card res-agent"> <strong>LLMsTxt</strong> <div class="res-type">LLMsTxt</div> </a> <a href="skills/_index.yml" target="_blank" rel="noopener" class="item-card res-card res-agent"> <strong>AgentSkill</strong> <div class="res-type">AgentSkill</div> </a> <a href="agentic-access/wefitter-agentic-access.yml" target="_blank" rel="noopener" class="item-card res-card res-agent"> <strong>AgenticAccess</strong> <div class="res-type">AgenticAccess</div> </a> </div> </div> <div class="res-group"> <div class="res-group-head"> <h3 id="resources-design">Design & Contract <span class="res-count">7</span></h3> <p>Pagination, idempotency, versioning, errors, and events</p> </div> <div class="card-grid scroll-pane"> <a href="conformance/wefitter-conformance.yml" target="_blank" rel="noopener" class="item-card res-card res-design"> <strong>Conformance</strong> <div class="res-type">Conformance</div> </a> <a href="errors/wefitter-problem-types.yml" target="_blank" rel="noopener" class="item-card res-card res-design"> <strong>ErrorCatalog</strong> <div class="res-type">ErrorCatalog</div> </a> <a href="lifecycle/wefitter-lifecycle.yml" target="_blank" rel="noopener" class="item-card res-card res-design"> <strong>Lifecycle</strong> <div class="res-type">Lifecycle</div> </a> <a href="conventions/wefitter-conventions.yml" target="_blank" rel="noopener" class="item-card res-card res-design"> <strong>Conventions</strong> <div class="res-type">Conventions</div> </a> <a href="data-model/wefitter-data-model.yml" target="_blank" rel="noopener" class="item-card res-card res-design"> <strong>DataModel</strong> <div class="res-type">DataModel</div> </a> <a href="asyncapi/wefitter-webhooks.yml" target="_blank" rel="noopener" class="item-card res-card res-design"> <strong>Webhooks</strong> <div class="res-type">Webhooks</div> </a> <a href="components/wefitter-components.yml" target="_blank" rel="noopener" class="item-card res-card res-design"> <strong>Components</strong> <div class="res-type">Components</div> </a> </div><p class="scroll-hint">Scroll within the panel for all 7 ·</p> </div> <div class="res-group"> <div class="res-group-head"> <h3 id="resources-build">Build <span class="res-count">3</span></h3> <p>SDKs, sample code, and the tooling you integrate with</p> </div> <div class="card-grid"> <a href="https://github.com/wefitter" target="_blank" rel="noopener" class="item-card res-card res-build"> <strong>GitHubOrganization</strong> <div class="res-type">GitHubOrganization</div> </a> <a href="packages/wefitter-packages.yml" target="_blank" rel="noopener" class="item-card res-card res-build"> <strong>Packages</strong> <div class="res-type">Packages</div> </a> <a href="packages/wefitter-packages.yml" target="_blank" rel="noopener" class="item-card res-card res-build"> <strong>SDKs</strong> <div class="res-type">SDKs</div> </a> </div> </div> <div class="res-group"> <div class="res-group-head"> <h3 id="resources-auth">Access & Security <span class="res-count">2</span></h3> <p>Authentication, authorization, and security posture</p> </div> <div class="card-grid"> <a href="security/wefitter-domain-security.yml" target="_blank" rel="noopener" class="item-card res-card res-auth"> <strong>DomainSecurity</strong> <div class="res-type">DomainSecurity</div> </a> <a href="authentication/wefitter-authentication.yml" target="_blank" rel="noopener" class="item-card res-card res-auth"> <strong>Authentication</strong> <div class="res-type">Authentication</div> </a> </div> </div> <div class="res-group"> <div class="res-group-head"> <h3 id="resources-operate">Operate <span class="res-count">3</span></h3> <p>Status, limits, changes, and where to get help</p> </div> <div class="card-grid"> <a href="https://developers.wefitter.com/support" target="_blank" rel="noopener" class="item-card res-card res-operate"> <strong>Support</strong> <div class="res-type">Support</div> </a> <a href="https://www.wefitter.com/en-us/developers/changelog/" target="_blank" rel="noopener" class="item-card res-card res-operate"> <strong>ChangeLog</strong> <div class="res-type">ChangeLog</div> </a> <a href="changelog/wefitter-changelog.yml" target="_blank" rel="noopener" class="item-card res-card res-operate"> <strong>ChangeLog</strong> <div class="res-type">ChangeLog</div> </a> </div> </div> <div class="res-group"> <div class="res-group-head"> <h3 id="resources-commercial">Commercial <span class="res-count">2</span></h3> <p>Pricing, plans, and the legal terms of use</p> </div> <div class="card-grid"> <a href="https://www.wefitter.com/en-us/terms-and-conditions/" target="_blank" rel="noopener" class="item-card res-card res-commercial"> <strong>TermsOfService</strong> <div class="res-type">TermsOfService</div> </a> <a href="https://www.wefitter.com/en-us/privacy-policy/" target="_blank" rel="noopener" class="item-card res-card res-commercial"> <strong>PrivacyPolicy</strong> <div class="res-type">PrivacyPolicy</div> </a> </div> </div> <div class="res-group"> <div class="res-group-head"> <h3 id="resources-company">Company <span class="res-count">2</span></h3> <p>The organization behind the API</p> </div> <div class="card-grid"> <a href="https://www.wefitter.com/en-us/resources/blog/" target="_blank" rel="noopener" class="item-card res-card res-company"> <strong>Blog</strong> <div class="res-type">Blog</div> </a> <a href="https://wefitter.com" target="_blank" rel="noopener" class="item-card res-card res-company"> <strong>Website</strong> <div class="res-type">Website</div> </a> </div> </div> <div class="res-group"> <div class="res-group-head"> <h3 id="resources-other">Other <span class="res-count">1</span></h3> <p>Properties that don't map to a standard resource type</p> </div> <div class="card-grid"> <a href="overlays/wefitter-openapi-overlay.yaml" target="_blank" rel="noopener" class="item-card res-card res-other"> <strong>Overlay</strong> <div class="res-type">Overlay</div> </a> </div> </div> <p class="text-muted small mt-4"> <a href="/providers/" class="text-decoration-none">← All providers</a> · Data indexed from <a href="https://github.com/api-evangelist/wefitter" target="_blank" rel="noopener">github.com/api-evangelist/wefitter</a> · <a href="https://apis.io/providers/wefitter/" target="_blank" rel="noopener">machine-readable index on apis.io</a> </p> </div> <!-- Right sidebar: metadata (top) + featured white paper --> <div class="col-lg-4"> <div class="prov-side"> <aside class="prov-meta card"> <div class="card-body"> <div class="prov-meta-head"><img class="prov-meta-logo" src="https://www.wefitter.com/static/frontend/img/website/wefitter.png" alt="WeFitter logo" loading="lazy" onerror="this.remove()"> <div> <div class="prov-meta-name">WeFitter</div> <div class="prov-meta-kicker">API Evangelist provider profile</div> </div> </div> <a class="prov-meta-score" href="#rating" title="Kin Score composite — full breakdown below"> <span class="pm-num">47.4<small>/100</small></span> <span class="band-pill band-developing">developing</span> </a> <div class="prov-meta-agent"> <span class="pm-agent-label">Agent readiness</span> <span class="pm-agent-num">25<small>/100</small></span> <span class="band-pill band-agent-aware">agent aware</span> </div> <dl class="prov-meta-facts"><dt>APIs</dt><dd>1</dd><dt>Artifacts profiled</dt><dd>23</dd><dt>First profiled</dt><dd>2026-07-17</dd><dt>Last updated</dt><dd>2026-07-21</dd> </dl> <div class="prov-meta-tags"><span class="tag-sm">Company</span><span class="tag-sm">Health</span><span class="tag-sm">Fitness</span><span class="tag-sm">Wearables</span><span class="tag-sm">Health Data</span><span class="tag-sm">Wellbeing</span><span class="tag-sm">Gamification</span><span class="tag-sm">Digital Health</span><span class="tag-sm">Insurance</span><span class="tag-sm">Activity Tracking</span> </div> <div class="prov-meta-links"><a class="pm-link primary" href="https://wefitter.com" target="_blank" rel="noopener"><span class="material-symbols-outlined">public</span> Website</a> <a class="pm-link" href="https://apis.io/providers/wefitter/" target="_blank" rel="noopener"><span class="material-symbols-outlined">travel_explore</span> View on apis.io</a> <a class="pm-link" href="https://github.com/api-evangelist/wefitter" target="_blank" rel="noopener"><span class="material-symbols-outlined">code</span> Source on GitHub</a> </div> </div> </aside> <aside class="prov-paper"> <div class="prov-paper-eyebrow">From the API Evangelist bookshelf</div> <a class="prov-paper-card" href="https://papers.apievangelist.com/papers/publishing-an-api-portal/" target="_blank" rel="noopener"> <div class="prov-paper-cover"> <img src="https://papers.apievangelist.com/assets/covers/publishing-an-api-portal.png" alt="Publishing an API Portal cover" loading="lazy" onerror="this.closest('.prov-paper-cover').style.display='none'"> </div> <div class="prov-paper-body"> <div class="prov-paper-area">Fundamentals</div> <div class="prov-paper-title">Publishing an API Portal</div><p class="prov-paper-tagline">A provider's guide to standing up the human-readable front door to your API.</p> <span class="prov-paper-cta">Read the paper →</span> </div> </a> <a class="prov-paper-all" href="https://papers.apievangelist.com/" target="_blank" rel="noopener">Browse all 21 →</a> </aside> </div> </div> </div> <div class="prov-notice" role="note"> <div class="prov-notice-head"> <span class="prov-notice-mark" aria-hidden="true">ⓘ</span> <strong>Where this information came from</strong> </div> <p> This is an independent, third-party profile of WeFitter, published by <a href="https://apievangelist.com">API Evangelist</a>. <strong>We do not operate, host, resell, or support these APIs</strong>, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from <strong>publicly available information</strong> — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials. </p> <p> The Kin Score and Agent Readiness rating are independently calculated assessments of a company's <em>public</em> API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits. </p> <p class="prov-notice-actions"> <strong>Corrections, re-scores, and removal are free</strong> — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as <strong>unrated</strong>, never scored zero for having asked. Acknowledgement within one business day; removal within two. </p> <p class="prov-notice-contact"> <a href="mailto:info@apievangelist.com?subject=Listing%20enquiry">info@apievangelist.com</a> · <a href="https://apievangelist.com/about/where-our-data-comes-from">Read the full data-sourcing policy →</a> <br> <span class="prov-notice-sec">On a security or compliance team? Put <em>security</em> in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.</span> </p> </div> <style> .prov-notice { margin: 2.5rem 0 1rem; padding: 1rem 1.15rem; background: #f6f8fb; border: 1px solid #d9e2ec; border-left: 4px solid #1c5f90; border-radius: 8px; color: #33475b; font-size: 0.86rem; line-height: 1.55; } .prov-notice-head { display: flex; align-items: baseline; gap: 0.45rem; margin-bottom: 0.5rem; color: #1c5f90; font-size: 0.95rem; } .prov-notice-mark { font-size: 1rem; } .prov-notice p { margin: 0 0 0.6rem; } .prov-notice p:last-child { margin-bottom: 0; } .prov-notice a { color: #1c5f90; text-decoration: underline; } .prov-notice a:hover { color: #12405f; } .prov-notice-contact { font-weight: 600; } .prov-notice-sec { display: inline-block; margin-top: 0.4rem; font-weight: 400; color: #5b6b7d; } </style> </div> <script type="application/ld+json"> { "@context": "https://schema.org", "@type": "Organization", "name": "WeFitter", "description": "WeFitter is a health and fitness data platform (\"one API to access wearable data, gamification and AI\") operated by Thunderbyte.AI in Groningen, Netherlands. Its REST API aggregates health and activity data from 300+ wearables and fitness apps — Fitbit, Garmin, Google Fit, Apple Health, Withings, Polar, Oura, Whoop, Samsung Health, Huawei and more — into a single unified, deduplicated data model, and layers gamification (challenges, leaderboards, teams, points) and AI insights (biological age, recommendations) on top. Organizations use it to build corporate wellbeing, digital fitness, e-health and insurance solutions. WeFitter also ships mobile SDK bridges for Apple Health, Samsung Health and Android Health Connect.", "logo": "https://www.wefitter.com/static/frontend/img/website/wefitter.png", "url": "https://wefitter.com", "keywords": "Company, Health, Fitness, Wearables, Health Data, Wellbeing, Gamification, Digital Health, Insurance, Activity Tracking" } </script> <div data-laneworks-ad="content-bottom"></div> </main> </div> </div> <!-- Footer --> <footer class="footer-ae py-4 mt-5"> <div class="container"> <div class="row align-items-center"> <div class="col-md-6"> <span>© 2026 API Evangelist</span> </div> <div class="col-md-6 text-md-end mt-2 mt-md-0"> <a href="https://apievangelist.com/about/api-evangelist" class="text-muted text-decoration-none me-3">About</a> <a href="https://apievangelist.com/contact" class="text-muted text-decoration-none me-3">Contact</a> <a href="https://github.com/api-evangelist" class="text-muted text-decoration-none me-3">GitHub</a> <a href="https://buttondown.com/apievangelist" class="text-muted text-decoration-none me-3">Newsletter</a> <a href="https://apievangelist.com/terms/" class="text-muted text-decoration-none me-3">Terms</a> <a href="https://apievangelist.com/privacy/" class="text-muted text-decoration-none">Privacy</a> </div> </div> </div> </footer> <!-- Bootstrap 5.3 JS --> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js" crossorigin="anonymous"></script> <!-- Kin Score glyph — renders every [data-kin-glyph] placeholder. 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