Finish a large attachment upload
One step with Nylas. We can help you get access.
Get something done
Finish a large attachment upload
with Nylas
Works with AI assistants
Use Nylas: its Nylas Attachments API lets you finish a large attachment upload in a single step (POST /v3/grants/{grant_id}/attachment-uploads/{attachment_id}/complete). Nylas 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.
- What do I do after uploading file bytes to the pre-signed URL?
- Does Nylas verify the uploaded size matches what I declared?
Say it to your AI assistant
- Complete upload session {attachment} for grant {grant}.
- Finalize the uploaded attachment {attachment} on {grant}.
For your developer
POST /v3/grants/{grant_id}/attachment-uploads/{attachment_id}/complete in Nylas Attachments API. Full spec on APIs.io.