# Egencia Approval Workflow API

**Canonical:** https://apis.io/apis/amex-gbt/egencia-approval-workflow-api/  
**Provider:** American Express Global Business Travel — https://apis.io/providers/amex-gbt/  
**Base URL:** https://apis.egencia.com/openconnect/api  
**Documentation:** https://www.amexglobalbusinesstravel.com/egencia-developer-center/api-details/approval-api

Egencia Approval Workflow API is one of 17 APIs that [American Express Global Business Travel](https://apis.io/providers/amex-gbt/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Approvals, Workflows, Policy, and Bookings. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, and API documentation.

Programmatic approval or denial of booking requests, at trip level and at trip-item level. Documented operations are POST /v1/bookings/{bookingId}/approve, /deny and the matching /items/{itemId}/approve and /deny. Egencia positions it as eliminating manual trip approval for individual travellers and groups.

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/amex-gbt/refs/heads/main/openapi/amex-gbt-approval-workflow-api-openapi.json
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/amex-gbt/refs/heads/main/overlays/amex-gbt-approval-workflow-api-overlay.yaml
- **APIReference** — https://apis.egencia.com/openconnect/docs/api-docs/ApprovalWorkflowAPI
- **Documentation** — https://apis.egencia.com/openconnect/v1/api-info?name=Approval

## Other American Express Global Business Travel APIs (12)

- [Egencia User Sync API](https://apis.io/apis/amex-gbt/egencia-user-sync-api/)
- [Egencia Context SSO API](https://apis.io/apis/amex-gbt/egencia-context-sso-api/)
- [Egencia Company Details API](https://apis.io/apis/amex-gbt/egencia-company-details-api/)
- [Egencia Company CDF API](https://apis.io/apis/amex-gbt/egencia-company-cdf-api/)
- [Egencia Validation SPI](https://apis.io/apis/amex-gbt/egencia-validation-spi/)
- [Egencia Expense SPI](https://apis.io/apis/amex-gbt/egencia-expense-spi/)
- [Egencia Get Booking API](https://apis.io/apis/amex-gbt/egencia-get-booking-api/)
- [Egencia Expense Cancellation and Deletion API](https://apis.io/apis/amex-gbt/egencia-cancellation-deletion-api/)
- [Egencia Approval Customisation SPI](https://apis.io/apis/amex-gbt/egencia-approval-customisation-spi/)
- [Egencia Receipt API](https://apis.io/apis/amex-gbt/egencia-receipt-api/)
- [Egencia Duty of Care API](https://apis.io/apis/amex-gbt/egencia-duty-of-care-api/)
- [Egencia Reporting API (BI Transactions)](https://apis.io/apis/amex-gbt/egencia-reporting-api/)

## Tags

Approvals, Workflows, Policy, Bookings

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