import { createClient } from "@mailsai/sdk";

const client = createClient(); // reads MAILS_API_KEY

const result = await client.drafts.attachments.remove(
  "dft_01JZX8K3M9Q4P7VN2YB6RTDC0E",
  "dfa_01JZX8K3M9Q4P7VN2YB6RTDC0E",
);
console.log(result);

from mailsai import create_client

client = create_client()  # reads MAILS_API_KEY

result = client.delete_draft_attachment(
    "dft_01JZX8K3M9Q4P7VN2YB6RTDC0E",
    "dfa_01JZX8K3M9Q4P7VN2YB6RTDC0E",
)
print(result)

curl -X DELETE 'https://api.mails.ai/v1/drafts/dft_01JZX8K3M9Q4P7VN2YB6RTDC0E/attachments/dfa_01JZX8K3M9Q4P7VN2YB6RTDC0E' \
  -H "Authorization: Bearer $MAILS_API_KEY"

{
  "id": "dfa_01JZX8K3M9Q4P7VN2YB6RTDC0E",
  "deleted_at": "2026-10-04T12:00:00.000Z"
}

200  The removed file's id.
401  Missing or invalid API key.
403  The API key lacks the required scope
     (insufficient_scope), or the token belongs to an
     app connected by sign-in and this operation is
     closed to connected apps
     (connected_app_not_allowed).
404  Resource not found in this workspace, or the agent
     a send names is archived (agent_archived).
409  Conflict — duplicate resource, an in-progress
     idempotent request, a draft or scheduled message
     that started sending while it was being changed, or
     a thread deleted for good while one of its messages
     is being sent (duplicate_resource); or an agent
     name more than one agent has (agent_name_conflict:
     use the agent's id); or a status change on an
     archived agent, since archiving cannot be undone
     (agent_archived).
500  Internal server error.

Remove a file from a draft

Takes a file off a draft, and deletes its bytes.

DELETE/v1/drafts/{id}/attachments/{attachment_id}scope · manage or draft

import { createClient } from "@mailsai/sdk";

const client = createClient(); // reads MAILS_API_KEY

const result = await client.drafts.attachments.remove(
  "dft_01JZX8K3M9Q4P7VN2YB6RTDC0E",
  "dfa_01JZX8K3M9Q4P7VN2YB6RTDC0E",
);
console.log(result);

from mailsai import create_client

client = create_client()  # reads MAILS_API_KEY

result = client.delete_draft_attachment(
    "dft_01JZX8K3M9Q4P7VN2YB6RTDC0E",
    "dfa_01JZX8K3M9Q4P7VN2YB6RTDC0E",
)
print(result)

curl -X DELETE 'https://api.mails.ai/v1/drafts/dft_01JZX8K3M9Q4P7VN2YB6RTDC0E/attachments/dfa_01JZX8K3M9Q4P7VN2YB6RTDC0E' \
  -H "Authorization: Bearer $MAILS_API_KEY"

{
  "id": "dfa_01JZX8K3M9Q4P7VN2YB6RTDC0E",
  "deleted_at": "2026-10-04T12:00:00.000Z"
}

200  The removed file's id.
401  Missing or invalid API key.
403  The API key lacks the required scope
     (insufficient_scope), or the token belongs to an
     app connected by sign-in and this operation is
     closed to connected apps
     (connected_app_not_allowed).
404  Resource not found in this workspace, or the agent
     a send names is archived (agent_archived).
409  Conflict — duplicate resource, an in-progress
     idempotent request, a draft or scheduled message
     that started sending while it was being changed, or
     a thread deleted for good while one of its messages
     is being sent (duplicate_resource); or an agent
     name more than one agent has (agent_name_conflict:
     use the agent's id); or a status change on an
     archived agent, since archiving cannot be undone
     (agent_archived).
500  Internal server error.

Path Parameters

idstringrequired

Draft id.

attachment_idstringrequired

File id (dfa_…).

Response

idstring

Id of the removed file (dfa_…).

deleted_atstring

The time of this call.

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