Upload or overwrite a CMS source code file
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Upload or overwrite a CMS source code file
with HubSpot
Works with AI assistants
Use HubSpot: its Hubspot Advanced API lets you upload or overwrite a CMS source code file in a single step (PUT /cms/source-code/2026-09/{environment}/content/{path}). HubSpot also has an MCP server, so an AI assistant like Claude or ChatGPT can do it for you. capabilities.work can help you get signed up and connected.
- Can I overwrite a template file in the developer file system if it already exists?
- Is there an upsert for CMS source files so I don't have to check whether they exist first?
Say it to your AI assistant
- Upload {file} to {path} in the {environment} environment, replacing any existing file.
- Create or update the source file at {path} in {environment}.
For your developer
PUT /cms/source-code/2026-09/{environment}/content/{path} in Hubspot Advanced API. Full spec on APIs.io.