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POST
/
v1
/
files
const file = new File([buffer], "catalog.pdf", { type: "application/pdf" });
const uploaded = await client.files.upload(file, "catalog.pdf");

console.log(uploaded.id);       // "file_abc123"
console.log(uploaded.filename); // "catalog.pdf"
console.log(uploaded.size);     // 1048576

{
  "id": "file_abc123",
  "filename": "catalog.pdf",
  "size": 1048576,
  "content_type": "application/pdf",
  "created_at": "2025-03-10T14:30:00.000Z"
}

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Fetch the complete documentation index at: https://productlasso.com/docs/llms.txt

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​
Request body

Send the file as multipart/form-data with a file field.
​
file
file
required
The file to upload. Maximum size is 1 GB. Supported formats include PDF, CSV, XLSX, images, and more.

​
Response

​
id
string
Unique file identifier. Use this when creating tables.
​
filename
string
Original file name.
​
size
integer
File size in bytes.
​
content_type
string
MIME type of the file.
​
created_at
string
ISO 8601 timestamp.
const file = new File([buffer], "catalog.pdf", { type: "application/pdf" });
const uploaded = await client.files.upload(file, "catalog.pdf");

console.log(uploaded.id);       // "file_abc123"
console.log(uploaded.filename); // "catalog.pdf"
console.log(uploaded.size);     // 1048576

{
  "id": "file_abc123",
  "filename": "catalog.pdf",
  "size": 1048576,
  "content_type": "application/pdf",
  "created_at": "2025-03-10T14:30:00.000Z"
}
The TypeScript SDK accepts File or Blob objects. The Python SDK accepts a file path string and handles the multipart upload automatically.