Antoine Gaiffe updated the Nelrann Web API endpoints documentation in the MystenLabs/walrus-docs repository, focusing on improving API discoverability and streamlining integration for developers. He revised the web-api.md file using Markdown, adding detailed information about new aggregator and publisher endpoints, along with two new testnet URLs and access instructions for walrus-storage.testnet.nelrann.org. His work emphasized clear, standards-aligned documentation practices, ensuring traceability by linking changes to issue #251. By enhancing the documentation, Antoine reduced onboarding time and integration effort for users of Nelrann services. The contribution demonstrated depth in technical writing and a strong understanding of developer documentation workflows.