Pipe a file stream from AWS S3 to OpenAI Whisper in Node.js

curl --request POST \ --url https://api.openai.com/v1/audio/transcriptions \ --header 'Authorization: Bearer TOKEN' \ --header 'Content-Type: multipart/form-data' \ --form file=@/path/to/file/openai.mp3 \ --form model=whisper-1 

import fetch from "node-fetch"; import AWS from "aws-sdk"; import fs from "fs"; import FormData from "form-data"; // Set the region and access keys for your AWS account AWS.config.update({ region: 'eu-central-1', accessKeyId: '***', secretAccessKey: '***' }); // Create an S3 client const s3 = new AWS.S3(); // Set the bucket and file key const bucketName = 'openai-sample'; const fileKey = 'path/to/file/openai.mp3'; // Set the parameters for the S3 getObject operation const params = { Bucket: bucketName, Key: fileKey }; // Get audio metadata to retrieve size and type s3.headObject(params, function(err, data) { if (err) throw err; // Get read object stream const s3Stream = s3.getObject(params) .createReadStream(); // create form data to be send to whisper api const formData = new FormData(); // append stream with a file formData.append('file', s3Stream, { contentType: data.ContentType, knownLength: data.ContentLength, filename: fileKey }); formData.append('model', 'whisper-1'); fetch('https://api.openai.com/v1/audio/transcriptions', { method: 'POST', body: formData, headers: { 'Authorization': 'Bearer TOKEN', ...formData.getHeaders() } }).then(res => res.json()).then(json => console.log(json.text)); });