Upload File
client.beta.files.upload(FileUploadParams { file, betas } params, RequestOptionsoptions?): FileMetadata { id, created_at, filename, 4 more }
POST/v1/files
Upload File
Parameters
Returns
Upload File
import Anthropic from '@anthropic-ai/sdk';
const client = new Anthropic({
apiKey: process.env['ANTHROPIC_API_KEY'], // This is the default and can be omitted
});
const fileMetadata = await client.beta.files.upload({ file: fs.createReadStream('path/to/file') });
console.log(fileMetadata.id);Response 200
{
"id": "file_011CNha8iCJcU1wXNR6q4V8w",
"created_at": "2025-04-15T18:37:24.100435Z",
"filename": "document.pdf",
"mime_type": "application/pdf",
"size_bytes": 102400,
"type": "file",
"downloadable": false
}Returns Examples
Response 200
{
"id": "file_011CNha8iCJcU1wXNR6q4V8w",
"created_at": "2025-04-15T18:37:24.100435Z",
"filename": "document.pdf",
"mime_type": "application/pdf",
"size_bytes": 102400,
"type": "file",
"downloadable": false
}