Media

import { readFile } from "node:fs/promises";

const { mediaId } = await client.media.upload({
  file: await readFile("/path/to/photo.jpg"),
  mimeType: "image/jpeg",
  filename: "photo.jpg",
});

await client.messages.send({
  to: "+15551234567",
  image: { id: mediaId, caption: "Here's the photo" },
});

for await (const event of client.events.subscribe()) {
  if (event.type !== "message") continue;
  if (event.message.content.type !== "image") continue;

  const { url, mimeType, fileSize, sha256 } = await client.media.getUrl(
    event.message.content.media.id,
  );

  // Fetch the bytes yourself
  const response = await fetch(url, {
    headers: { Authorization: `Bearer ${process.env.WA_ACCESS_TOKEN}` },
  });
  const bytes = await response.arrayBuffer();
}

await client.media.delete(mediaId);