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

const client = createClient(); // reads MAILS_API_KEY

const file = await client.received.attachments.download(
  "rcv_01JZX8K3M9Q4P7VN2YB6RTDC0E",
  "att_01JZX8K3M9Q4P7VN2YB6RTDC0E",
);
console.log(file.byteLength);

from mailsai import create_client

client = create_client()  # reads MAILS_API_KEY

file = client.download_attachment(
    "rcv_01JZX8K3M9Q4P7VN2YB6RTDC0E",
    "att_01JZX8K3M9Q4P7VN2YB6RTDC0E",
)
print(len(file))

curl 'https://api.mails.ai/v1/messages/received/rcv_01JZX8K3M9Q4P7VN2YB6RTDC0E/attachments/att_01JZX8K3M9Q4P7VN2YB6RTDC0E' \
  -H "Authorization: Bearer $MAILS_API_KEY"

mails receiving attachment rcv_01JABC att_01JABC \
  --output invoice.pdf

{
  "name": "mails_attachments_get",
  "arguments": {
    "message_id": "rcv_01JZX8K3M9Q4P7VN2YB6RTDC0E",
    "attachment_id": "att_01JZX8K3M9Q4P7VN2YB6RTDC0E"
  }
}