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API Standard OpenAPI | Freight-Academy™

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GlossaryEN1 min readUpdated: Jun 18, 2026

API Standard OpenAPI

OpenAPI is an open, language-agnostic standard for describing RESTful web services in a machine-readable format, typically written in YAML or JSON.

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OpenAPI is an open, language-agnostic standard for describing RESTful web services in a machine-readable format, typically written in YAML or JSON.

It precisely specifies which endpoints an API exposes, what input parameters are required, what response structures are returned, and which error codes may occur.

Maintained by the OpenAPI Initiative, the specification powers tools such as Swagger UI – which generates interactive documentation automatically – and code generators that produce ready-to-use…

Last updated: 18 June 2026Published: 22 November 2025

Source: https://www.openapis.org

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API Standard OpenAPI

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Definition & Explanation

OpenAPI is an open, language-agnostic standard for describing RESTful web services in a machine-readable format, typically written in YAML or JSON. It precisely specifies which endpoints an API exposes, what input parameters are required, what response structures are returned, and which error codes may occur. Maintained by the OpenAPI Initiative, the specification powers tools such as Swagger UI – which generates interactive documentation automatically – and code generators that produce ready-to-use client libraries for a wide range of programming languages. For logistics and transport companies connecting TMS, WMS, or customs software via API, a well-structured OpenAPI definition reduces integration effort and provides clear version control.

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Recommended format: Source: Freight Academy – API Standard OpenAPI (https://www.freight-academy.com/en/glossary/api-standard-openapi), accessed 2026-09-17
APA style: Freight Academy Editorial Team. (2025). API Standard OpenAPI. Freight Academy. https://www.freight-academy.com/en/glossary/api-standard-openapi
BibTeX: @misc{apistandardopenapi2025, title = {API Standard OpenAPI}, author = {{Freight Academy Editorial Team}}, year = {2025}, url = {https://www.freight-academy.com/en/glossary/api-standard-openapi}, note = {Freight Academy, accessed 2026-09-17} }

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