# American Express Global Business Travel Validation API

**Canonical:** https://apis.io/apis/amex-gbt/amex-gbt-validation-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/user-sync-api

American Express Global Business Travel Validation API is one of 26 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 Validation. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, API documentation, and authentication docs.

Validation interface that will request authorization of booking based on the data provided at checkout time.This is only an example. The path and the host are specific for each implementor. However, the model is fixed and versioned.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| POST | `/v1/validateFields` | Validate the booking fields |

## Machine-readable artifacts (29)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/amex-gbt/refs/heads/main/openapi/amex-gbt-validation-api-openapi.yml
- **APIReference** — https://apis.egencia.com/openconnect/docs/api-docs/UserSyncAPI
- **Documentation** — https://apis.egencia.com/openconnect/v1/api-info?name=User
- **Authentication** — https://apis.egencia.com/auth/v1/token
- **APIReference** — https://apis.egencia.com/openconnect-sso/docs/api-docs/sso
- **Documentation** — https://www.egencia.com/openconnect-sso-service/v1/api-info
- **APIReference** — https://apis.egencia.com/company/docs/api-docs/company-info-api
- **Documentation** — https://apis.egencia.com/company/v1/api-info?name=company-details
- **APIReference** — https://apis.egencia.com/openconnect/docs/api-docs/CompanyCDFAPI
- **Documentation** — https://apis.egencia.com/openconnect/v1/api-info?name=CompanyCustomData
- **APIReference** — https://apis.egencia.com/openconnect-validation/docs/api-docs/validation
- **Documentation** — https://www.egencia.com/openconnect-validation-service/v1/api-info
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/amex-gbt/refs/heads/main/asyncapi/amex-gbt-webhooks.yml
- **APIReference** — https://apis.egencia.com/openconnect-expense/docs/api-docs/expense
- **Documentation** — https://www.egencia.com/openconnect-expensestream-service/v1/api-info
- **APIReference** — https://apis.egencia.com/openconnect/docs/api-docs/GetBookingAPI
- **Documentation** — https://apis.egencia.com/openconnect/v1/api-info?name=Booking
- **APIReference** — https://apis.egencia.com/openconnect/docs/api-docs/CancellationDeletionAPI
- **Documentation** — https://apis.egencia.com/openconnect/v1/api-info?name=CancelAndDelete
- **APIReference** — https://apis.egencia.com/openconnect/docs/api-docs/ApprovalWorkflowAPI
- **Documentation** — https://apis.egencia.com/openconnect/v1/api-info?name=Approval
- **APIReference** — https://apis.egencia.com/approval/docs/api-docs
- **Documentation** — https://www.egencia.com/openconnect-approval-service/v1/api-info
- **APIReference** — https://apis.egencia.com/openconnect/docs/api-docs/ReceiptAPISPI
- **Documentation** — https://apis.egencia.com/openconnect/v1/api-info?name=Receipt
- **APIReference** — https://apis.egencia.com/dutyofcare/docs/api-docs/doc-service
- **Documentation** — https://apis.egencia.com/dutyofcare/v1/api-info
- **APIReference** — https://apis.egencia.com/bi/docs/api-docs/transaction-data-service
- **Documentation** — https://apis.egencia.com/bi/v1/api-info

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

- [American Express Global Business Travel Agent Assist Notes API](https://apis.io/apis/amex-gbt/amex-gbt-agent-assist-notes-api/)
- [American Express Global Business Travel Approval API](https://apis.io/apis/amex-gbt/amex-gbt-approval-api/)
- [American Express Global Business Travel Availability Probes Controller API](https://apis.io/apis/amex-gbt/amex-gbt-availability-probes-controller-api/)
- [American Express Global Business Travel bookings v1 API](https://apis.io/apis/amex-gbt/amex-gbt-bookings-v1-api/)
- [American Express Global Business Travel bookings v2 API](https://apis.io/apis/amex-gbt/amex-gbt-bookings-v2-api/)
- [American Express Global Business Travel Company Details API](https://apis.io/apis/amex-gbt/amex-gbt-company-details-api/)
- [American Express Global Business Travel Custom Data Field Cleanup Controller API](https://apis.io/apis/amex-gbt/amex-gbt-custom-data-field-cleanup-controller-api/)
- [American Express Global Business Travel Custom Data Fields (CDF) API](https://apis.io/apis/amex-gbt/amex-gbt-custom-data-fields-cdf-api/)
- [American Express Global Business Travel Doc Audit Clean Up Controller API](https://apis.io/apis/amex-gbt/amex-gbt-doc-audit-clean-up-controller-api/)
- [American Express Global Business Travel DutyOfCare Data API](https://apis.io/apis/amex-gbt/amex-gbt-dutyofcare-data-api/)
- [American Express Global Business Travel Ecommerce Settings Controller API](https://apis.io/apis/amex-gbt/amex-gbt-ecommerce-settings-controller-api/)
- [American Express Global Business Travel Expense SPI API](https://apis.io/apis/amex-gbt/amex-gbt-expense-spi-api/)

## Tags

Validation

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