Blob Upload

pdsx upload-blob ./photo.jpg

{
  "$type": "blob",
  "ref": {"$link": "bafyreif..."},
  "mimeType": "image/jpeg",
  "size": 123456
}

from atproto import AsyncClient

client = AsyncClient()
await client.login(handle, password)

# upload blob
blob_response = await client.com.atproto.repo.upload_blob(image_bytes)

# create post with image
await client.com.atproto.repo.create_record({
    "repo": client.me.did,
    "collection": "app.bsky.feed.post",
    "record": {
        "$type": "app.bsky.feed.post",
        "text": "check this out!",
        "embed": {
            "$type": "app.bsky.embed.images",
            "images": [{
                "alt": "photo description",
                "image": blob_response.blob  # the blob ref
            }]
        },
        "createdAt": datetime.now(UTC).isoformat()
    }
})