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Documentation Index

Fetch the complete documentation index at: https://docs.letmepost.dev/llms.txt

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What it checks

byteLength <= 8_000_000 per image item.

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Why

Meta’s Instagram container endpoint caps photo containers at 8 MB. Larger payloads are rejected at container creation.

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Failure response

{
  "error": {
    "code": "preflight_failed",
    "rule": "instagram.media.image_size_max",
    "platform": "instagram",
    "message": "Image is 9500000 bytes; Instagram allows at most 8000000."
  }
}

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Remediation

Re-encode at lower quality or smaller dimensions: 
magick input.jpg -quality 85 -resize 2048x2048\> output.jpg