# Exchange Web Services (EWS)

**Canonical:** https://apis.io/apis/microsoft-exchange/exchange-web-services-ews/  
**Provider:** Microsoft Exchange — https://apis.io/providers/microsoft-exchange/  
**Base URL:** https://outlook.office365.com/EWS/Exchange.asmx  
**Documentation:** https://learn.microsoft.com/en-us/exchange/client-developer/exchange-web-services/explore-the-ews-managed-api-ews-and-web-services-in-exchange

Exchange Web Services (EWS) is one of 20 APIs that [Microsoft Exchange](https://apis.io/providers/microsoft-exchange/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Exchange Server, Legacy, Mailbox, SOAP, and Web Services. The published artifact set on APIs.io includes API documentation, an API reference, and a getting-started guide.

Legacy SOAP-based API for Exchange Server providing comprehensive access to mailbox data and operations. Planned for deprecation in Exchange Online in October 2026, with Microsoft Graph recommended for new development.

## Machine-readable artifacts (23)

- **Documentation** — https://learn.microsoft.com/en-us/exchange/client-developer/web-service-reference/web-services-reference-for-exchange
- **WSDL** — https://outlook.office365.com/EWS/Exchange.asmx?wsdl
- **SDKs** — https://github.com/officedev/ews-managed-api
- **Reference** — https://learn.microsoft.com/en-us/exchange/client-developer/exchange-web-services/explore-the-ews-managed-api-ews-and-web-services-in-exchange
- **GettingStarted** — https://learn.microsoft.com/en-us/exchange/client-developer/exchange-server-development
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/apis.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-audit-message-attachments-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-audit-org-and-domains-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-compose-attach-send-mail-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-discover-mailbox-content-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-find-times-and-book-meeting-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-grant-folder-permission-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-inspect-and-delegate-mailbox-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-migrate-mailbox-item-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-organize-contacts-folder-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-organize-folder-and-file-message-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-prepare-and-send-forward-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-provision-calendar-and-add-event-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-reply-to-latest-from-sender-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-review-and-respond-to-invite-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-schedule-event-with-attachment-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-triage-and-move-message-workflow.yml
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-upsert-contact-workflow.yml

## Other Microsoft Exchange APIs (12)

- [Exchange Online PowerShell API](https://apis.io/apis/microsoft-exchange/exchange-online-powershell-api/)
- [Exchange Autodiscover API](https://apis.io/apis/microsoft-exchange/exchange-autodiscover-api/)
- [Microsoft Exchange Accepted Domains API](https://apis.io/apis/microsoft-exchange/microsoft-exchange-accepted-domains-api/)
- [Microsoft Exchange Attachments API](https://apis.io/apis/microsoft-exchange/microsoft-exchange-attachments-api/)
- [Microsoft Exchange Calendars API](https://apis.io/apis/microsoft-exchange/microsoft-exchange-calendars-api/)
- [Microsoft Exchange Contact Folders API](https://apis.io/apis/microsoft-exchange/microsoft-exchange-contact-folders-api/)
- [Microsoft Exchange Contacts API](https://apis.io/apis/microsoft-exchange/microsoft-exchange-contacts-api/)
- [Microsoft Exchange Distribution Groups API](https://apis.io/apis/microsoft-exchange/microsoft-exchange-distribution-groups-api/)
- [Microsoft Exchange Events API](https://apis.io/apis/microsoft-exchange/microsoft-exchange-events-api/)
- [Microsoft Exchange Mail Folders API](https://apis.io/apis/microsoft-exchange/microsoft-exchange-mail-folders-api/)
- [Microsoft Exchange Mailbox Discovery API](https://apis.io/apis/microsoft-exchange/microsoft-exchange-mailbox-discovery-api/)
- [Microsoft Exchange Mailbox Export API](https://apis.io/apis/microsoft-exchange/microsoft-exchange-mailbox-export-api/)

## Tags

Exchange Server, Legacy, Mailbox, SOAP, Web Services

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