How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

American Express Global Business Travel Approval API

Approval interface that will get approval custom detail from external client based on the booking data passed in request

American Express Global Business Travel Approval API is one of 26 APIs that American Express Global Business Travel publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Approval. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, API documentation, and authentication docs.

This API exposes 1 operation across 1 path, and defines 10 schemas. It is described by OpenAPI 3.2.0, at version v1.0.

Requests are made against a single base URL, https://apis.egencia.com/openconnect/api.

1 operations 1 paths 10 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
v1.0
Base URL
https://apis.egencia.com/openconnect/api
Resource Areas
1

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.

Approval 1

Approval interface that will get approval custom detail from external client based on the booking data passed in request

POST
/v1/custom-approval
It will return the custom approval details, for example - approvers and approval required for both the level based on the booking data passed in request
getApprovalDetails body → 500400200401403

Schemas 10

The contract defines 10 schemas that model the data the API accepts and returns. The most detailed are OpenconnectApprovalErrorResponseBean (6 properties), Traveler (4 properties), ErrorSourceBean (3 properties), ErrorResponseDataBean (3 properties). Each schema is shown below with its type and property counts.

ErrorSourceBean
object
Source
3 properties
CustomDataField
object
Stores CDF information
2 properties 2 required
ExternalApprovalDetailsResponse
object
1 property
ExternalApprovalDetail
object
3 properties
Traveler
object
Stores the traveler information.
4 properties 3 required
Price
object
Price of the booking.
2 properties
ErrorResponseDataBean
object
Data
3 properties
Company
object
Stores the company information.
2 properties 2 required
OpenconnectApprovalErrorResponseBean
object
6 properties
ApprovalRequest
object
Approval request
3 properties 3 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

amex-gbt-approval-api-openapi.yml Raw ↑

Other APIs American Express Global Business Travel publishes across the network.

American Express Global Business Travel Agent Assist Notes API
American Express Global Business Travel Availability Probes Controller API
American Express Global Business Travel bookings v1 API
American Express Global Business Travel bookings v2 API
American Express Global Business Travel Company Details API
American Express Global Business Travel Custom Data Field Cleanup Controller API
American Express Global Business Travel Custom Data Fields (CDF) API
American Express Global Business Travel Doc Audit Clean Up Controller API
American Express Global Business Travel DutyOfCare Data API
American Express Global Business Travel Ecommerce Settings Controller API
American Express Global Business Travel Expense SPI API
American Express Global Business Travel Gdpr Controller API
Where this information came from

This is an independent, third-party profile of American Express Global Business Travel Approval API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.