Developed and delivered an OpenAPI (Swagger) specification for the Lava Network Public API in the lavanet/lava repository, enabling contract-first API design and supporting automated tooling for blockchain data retrieval, provider information, and token supply endpoints. The work focused on authoring comprehensive API documentation using YAML and OpenAPI Specification, ensuring clear and centralized reference material for API consumers. Additionally, deprecated and removed the legacy swagger.yml documentation to align with a unified documentation strategy, reducing confusion and documentation debt. Maintained version control and traceability through explicit commits, demonstrating a disciplined approach to documentation lifecycle management and repository hygiene within the project.