> You are reading the Docusign Developer Documentation. For clean Markdown of any page, append .md to the page URL.
>
> Documentation indexes by section:
> - APIs and SDKs: https://docusign.docs.buildwithfern.com/docs/llms.txt
> - Platform 101: https://docusign.docs.buildwithfern.com/platform/llms.txt
> - Extension Apps: https://docusign.docs.buildwithfern.com/extension-apps/llms.txt
> - Docusign CLI: https://docusign.docs.buildwithfern.com/docusign-cli/llms.txt
>
> Authentication (OAuth, JWT Grant, M2M): https://docusign.docs.buildwithfern.com/platform/auth
> Webhooks and Connect: https://docusign.docs.buildwithfern.com/platform/webhooks
>
> OpenAPI specifications: https://docusign.docs.buildwithfern.com/openapi.json
> MCP server: https://docusign.docs.buildwithfern.com/_mcp/server

# API Integration: Basic to Advanced | Developer Deep Dive

#### API Integration: Basic to Advanced | Developer Deep Dive

Aaron Liao talks with Gil Vincent, DocuSign’s principal product manager for Professional Services. They cover the four levels of DocuSign API integration, and how you can integrate critical eSignature technologies into your business within the frame of an overarching solution architecture. In the DocuSign Developer Deep Dive Discussions series, our developer evangelism team sits down with the engineers and experts who build our APIs and tools, offering insights and demonstrations on best practices to speed up your development.