# Medrio mSource API

**Canonical:** https://apis.io/apis/medrio/medrio-msource-api/  
**Provider:** Medrio — https://apis.io/providers/medrio/  
**Base URL:** https://esource.medrio.com  
**Documentation:** https://esource.medrio.com/Help

Medrio mSource API is one of 6 APIs that [Medrio](https://apis.io/providers/medrio/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include mSource, ePRO, eCOA, and Source Data. The published artifact set on APIs.io includes an API reference and API documentation.

The V2 REST API behind Medrio's mSource eCOA/ePRO applications (mPRO and mCapture) - read study configuration, files, and users; read and write subject, form, and approval data with an asynchronous key-based query pattern; and post offline access, audit trail, and diagnostic logs. Secured with OAuth 2.0 and a required X-Medrio-ClientInfo header.

## Machine-readable artifacts (2)

- **APIReference** — https://esource.medrio.com/Help
- **Documentation** — https://esource.medrio.com/Help?apiVersion=1

## Other Medrio APIs (5)

- [Medrio Studies API](https://apis.io/apis/medrio/medrio-studies-api/)
- [Medrio Subjects API](https://apis.io/apis/medrio/medrio-subjects-api/)
- [Medrio Data Entry API](https://apis.io/apis/medrio/medrio-data-entry-api/)
- [Medrio Users and Memberships API](https://apis.io/apis/medrio/medrio-users-memberships-api/)
- [Medrio Subscriptions API](https://apis.io/apis/medrio/medrio-subscriptions-api/)

## Tags

mSource, ePRO, eCOA, Source Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/medrio/medrio-msource-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/medrio/.