Withings accounts created after that date will need a membership to share health data with a free-plan app, including apps that are already live.
Accounts created before that date are unaffected, and Enterprise lifts the requirement for specific use cases. See all questions
From activity and sleep to body composition, blood pressure and ECG, the Withings API delivers data from devices people already use every day. Built for consumer health apps, digital health programs, research, corporate wellness and payors.
Kick-start your project, prototype end to end, and run small to medium consumer health apps once reviewed.
For digital health programs, health data aggregators, corporate wellness and payors.
Everything in Start for Free, plus:
Cleared biomarkers, risk scores and symptom tracking, plus AI model training rights.
Everything in Enterprise, plus:
Advanced Biomarkers includes everything in Enterprise. Add-ons are contracted separately.
| Start for FreeSelf-serve | EnterpriseCustom | Advanced BiomarkersCustom | |
|---|---|---|---|
| Access & limits | |||
| Active users | 10 More after a Withings review | Unlimited | Unlimited |
| Withings+ required for your end users1 | Yes Accounts created after October 12, 2026 | Can be removed3 | Can be removed3 |
| Withings review to exceed the user cap | Required | Handled at onboarding | Handled at onboarding |
| API rate limit | Standard | 1,500+ req/min | 1,500+ req/min |
| Dedicated instances for faster sync | ✗ | ✓ | ✓ |
| Uptime SLA | ✗ | ✓ | ✓ |
| Health data | |||
| Core biomarkers Activity, Sleep, Body, Heart | ✓ | ✓ | ✓ |
| Webhooks & notifications | ✓ | ✓ | ✓ |
| FDA/CE cleared biomarkers ECG, AFib, SpO₂, vascular age, AHI, EDA/NHS | ✗ | ✗ | ✓ |
| Risk scores for chronic conditions | ✗ | ✗ | ✓ |
| Symptom tracking & questionnaires | ✗ | ✗ | ✓ |
| AI model training contract | ✗ | ✗ | ✓ |
| Data anonymization services | ✗ | ✗ | ✓ |
| Security & compliance | |||
| EU-hosted, GDPR compliant | ✓ | ✓ | ✓ |
| US-hosted, HIPAA compliant | ✗ | ✓ | ✓ |
| HDS certified French health data hosting | ✗ | ✓ | ✓ |
| DPA, BAA and security questionnaire | ✗ | ✓ | ✓ |
| Regulatory compliance assistance | ✗ | ✗ | ✓ |
| Support & logistics | |||
| Documentation, sandbox & community | ✓ | ✓ | ✓ |
| Priority technical support | ✗ | ✓ | ✓ |
| Named CSM & solution engineer | ✗ | ✓ | ✓ |
| Self-service fleet management | ✗ | ✓ | ✓ |
| Clinical study support team | ✗ | ✗ | Add-on |
| Device dropshipping API | ✗ | Add-on | Add-on |
| Custom packaging | ✗ | Add-on | Add-on |
| Growth | |||
| Referenced inside the Withings app | ✗ | Strategic partners2 | Strategic partners2 |
| Custom user workflows | ✗ | Strategic partners2 | Strategic partners2 |
| Cross-sell email campaigns | ✗ | Strategic partners2 | Strategic partners2 |
The plans above cover API access. When you also need devices, logistics or a clinical platform, we go further.
Cellular medical devices that need no phone setup, EHR workflows, and the Withings RPM platform if you would rather not build the clinician side yourself.
Trusted by 100+ research labs. Cleared biomarkers, custom device provisioning, anonymization and explicit AI training rights, all part of Advanced Biomarkers.
Your existing users are fine. Withings accounts created before October 12, 2026 keep sharing data with no membership required, and your app keeps its current user limit.
Withings accounts created after that date will need an active Withings+ membership to connect, unless your app is on Enterprise or Advanced Biomarkers.
An end user whose Withings account is currently connected to your app with a valid authorization. When a user disconnects, the slot frees up.
No. The requirement covers those routes too. Integrating directly with the Withings API on Enterprise is the only way to guarantee your users can share data without their own membership.
Submit your app for review. We look at what you are building, which biomarkers you request and how you protect them. Once approved, your cap is raised to a level that fits your use case, so small and medium apps can keep running on Start for Free.
Have ready: your Withings client ID, a link to the live app or a demo, and your privacy policy URL. It is 10 questions, about 5 minutes.
Apps that need unlimited users, or that want the Withings+ requirement lifted for specific use cases, move onto Enterprise.
Get in touch if you would rather talk before you build.
Sharing pauses until the membership is active again. Historical data is not deleted, and sharing resumes where it left off.
On Enterprise and Advanced Biomarkers the requirement is lifted for the specific use cases covered by your agreement.
No. On Enterprise and Advanced Biomarkers the requirement is lifted for the specific use cases in your agreement. Your users do not subscribe individually and there is no per-member charge.
Withings+ funds the clinical validation, regulatory clearances and infrastructure behind the data you consume. Tying open data sharing to either a membership or a commercial agreement keeps that investment sustainable, and the API genuinely free to build on.
Enterprise covers scale, compliance and logistics. Add Advanced Biomarkers when your protocol needs cleared biomarkers or risk scores. For a clinician-facing platform, see Withings RPM.
Build against real Withings data today. When you outgrow the free tier, we lift the limits together.
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