Upload and download media
Use a configured WhatsAppClient from Install and verify. Examples below assume it is named whatsapp. Application callbacks such as db, myDatabase, and queue are supplied by your app; fileBlob is the Blob you intend to upload.
Media
const upload = await whatsapp.media.uploadMedia(fileBlob, "image/jpeg", "photo.jpg");
await whatsapp.messages.sendImage("201234567890", {
id: upload.id,
caption: "Uploaded image",
});
const info = await whatsapp.media.getMediaInfo(upload.id);
const downloaded = await whatsapp.media.downloadMedia(upload.id);Template header media uses Meta's resumable upload flow:
const result = await whatsapp.media.uploadTemplateMedia(fileBlob, "image/jpeg");
console.log(result.handle);Source captured: 2026-10-11