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ActionGmailUpdated June 2026

How do I download a Gmail attachment?

Short answer: You can get attachment in Gmail by hand from its own interface, but it won’t repeat itself. On TinyCommand, add the Gmail Get Attachment action to a workflow, map its 2 inputs from any upstream app, and it runs automatically every time the trigger fires. No code, and a free tier to start.

Get Attachment in Gmail — start free All 27 Gmail actions
Get Attachment in Gmail — start free
Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

FieldTypeRequiredDescription
Message ID
messageId
stringRequiredGmail message ID — the hex string Gmail assigns to each message. Find via List Messages. Not the RFC822 Message-Id header.
Attachment ID
attachmentId
stringRequiredAttachment ID returned within a message's payload.parts[].body.attachmentId. Get from the parent message.
Sample request
{
  "messageId": "e.g. 18a1b2c3d4e5f6",
  "attachmentId": "e.g. ANGjdJ_abc123..."
}
Returns
{
  "data": "<base64 encoded file content>",
  "size": 204800,
  "attachmentId": "ANGjdJ8..."
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for Get Attachment.

Any of these apps can fire this action as part of a workflow.

Slack → Gmail
13 Slack triggers
Google Sheets → Gmail
2 Google Sheets triggers
HubSpot → Gmail
18 HubSpot triggers
Stripe → Gmail
10 Stripe triggers
FAQ

Questions about Get Attachment.

What does the Get Attachment action do in Gmail?
Downloads an email attachment by message ID and attachment ID. The bytes come back base64-encoded; chain with file storage to persist.
What inputs does Get Attachment require?
Required: Message ID, Attachment ID. Every input accepts a static value or a variable from any upstream node in your workflow.
Can I use dynamic inputs from earlier workflow nodes?
Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.
What happens if Gmail returns an error?
The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.
Does Get Attachment support batch operations?
Yes. Run Get Attachment inside a Loop node to process arrays. TinyCommand handles Gmail's rate limits automatically so you don't have to throttle manually.
More actions

Other Gmail actions.

Action
Add Labels to Message
Adds one or more labels to an email message in Gmail. Use to file AI-classified mail, mark as Important/Starred, or move into a custom folder.
Action
Create Draft
Creates a new email draft in Gmail with to, cc, bcc, subject, body (text or HTML), and attachments. Used for human-in-the-loop flows where AI drafts and a human approves.
Action
Create Label
Creates a new label in your Gmail account with a name, optional parent, and visibility settings. Useful when classification automation should auto-provision missing labels.
Action
Delete Draft
Permanently deletes an email draft from Gmail by ID. Use for cleaning up superseded AI-generated drafts.
Action
Delete Label
Deletes a label from your Gmail account. Messages with the label keep the message but lose the label assignment.
Action
Delete Message
Permanently deletes an email message from Gmail. Bypasses Trash; use Trash Message instead for the recoverable path.
Get Attachment in Gmail — start free