Upload an attachment to a task or file field (v3)
One step with Clickup. We can help you get access.
Get something done
Upload an attachment to a task or file field (v3)
with Clickup
Works with AI assistants
Use Clickup: its Clickup Attachments API lets you upload an attachment to a task or file field (v3) in a single step (POST /api/v3/workspaces/{workspace_id}/{entity_type}/{entity_id}/attachments). Clickup 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 upload a file into a File-type Custom Field with the v3 API?
- What step follows uploading to a custom_fields entity?
Say it to your AI assistant
- Upload {filename} to {entity_type} {entity_id} in Workspace {workspace_id} with v3.
- Put a v3 attachment on {entity_type} {entity_id} in {workspace_id}.
For your developer
POST /api/v3/workspaces/{workspace_id}/{entity_type}/{entity_id}/attachments in Clickup Attachments API. Full spec on APIs.io.