# Microsoft Project JavaScript API

**Canonical:** https://apis.io/apis/microsoft-project/javascript-api/  
**Provider:** Microsoft Project — https://apis.io/providers/microsoft-project/  
**Base URL:** https://appsforoffice.microsoft.com/lib/1/hosted/office.js  
**Documentation:** https://learn.microsoft.com/en-us/office/dev/add-ins/project/project-add-ins

Microsoft Project JavaScript API is one of 16 APIs that [Microsoft Project](https://apis.io/providers/microsoft-project/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Add-Ins, JavaScript, Office, and Task Pane. The published artifact set on APIs.io includes API documentation, a getting-started guide, an API reference, and code examples.

JavaScript API for building Office Add-ins that extend Microsoft Project desktop client. Enables reading task, resource, and view data from the active project within a task pane add-in.

## Machine-readable artifacts (4)

- **Documentation** — https://learn.microsoft.com/en-us/office/dev/add-ins/project/project-add-ins
- **GettingStarted** — https://learn.microsoft.com/en-us/office/dev/add-ins/quickstarts/project-quickstart
- **APIReference** — https://learn.microsoft.com/en-us/javascript/api/office/office.context
- **CodeExamples** — https://developer.microsoft.com/en-us/microsoft-365/gallery/?filterBy=Project,Samples

## Other Microsoft Project APIs (12)

- [Microsoft Project Online CSOM API](https://apis.io/apis/microsoft-project/csom-api/)
- [Microsoft Project OData Reporting API](https://apis.io/apis/microsoft-project/odata-reporting-api/)
- [Microsoft Project Assignments API](https://apis.io/apis/microsoft-project/microsoft-project-assignments-api/)
- [Microsoft Project Calendars API](https://apis.io/apis/microsoft-project/microsoft-project-calendars-api/)
- [Microsoft Project Custom Fields API](https://apis.io/apis/microsoft-project/microsoft-project-custom-fields-api/)
- [Microsoft Project Enterprise Project Types API](https://apis.io/apis/microsoft-project/microsoft-project-enterprise-project-types-api/)
- [Microsoft Project Event Handlers API](https://apis.io/apis/microsoft-project/microsoft-project-event-handlers-api/)
- [Microsoft Project Lookup Tables API](https://apis.io/apis/microsoft-project/microsoft-project-lookup-tables-api/)
- [Microsoft Project Phases API](https://apis.io/apis/microsoft-project/microsoft-project-phases-api/)
- [Microsoft Project Projects API](https://apis.io/apis/microsoft-project/microsoft-project-projects-api/)
- [Microsoft Project Resources API](https://apis.io/apis/microsoft-project/microsoft-project-resources-api/)
- [Microsoft Project Stages API](https://apis.io/apis/microsoft-project/microsoft-project-stages-api/)

## Tags

Add-Ins, JavaScript, Office, Task Pane

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