{
  "case": "mask-edit",
  "started_at_utc": "2026-10-07T18:40:01.367842+00:00",
  "model": "gpt-image-2",
  "endpoint": "/v1/images/edits",
  "prompt": "Change only the transparent masked water-spray area to golden yellow water droplets. Preserve the blue whale, white background, eye, smile, fins and tail. Do not add text or objects.",
  "requested_size": "1024x1024",
  "requested_quality": "low",
  "billed_usd": 0.001724,
  "billing_status": "matched-own-log",
  "http_status": "200",
  "curl_exit": 0,
  "elapsed_seconds": 57.806,
  "request_id": "",
  "usage": {
    "total_tokens": 1576,
    "input_tokens": 811,
    "output_tokens": 765,
    "input_tokens_details": {
      "text_tokens": 46,
      "image_tokens": 765
    }
  },
  "output": {
    "width": 1254,
    "height": 1254,
    "format": "PNG",
    "bytes": 1114054,
    "sha256": "68a83422191b412ceb231f6ecd8ae1cdba6796db478e44d8626380a450e4dc08",
    "api_response_sha256": "c71d55f26d9cf5de3ecb230adb7f16a6ca777613507133fdc51a939a7ed34c0a"
  },
  "status": "output-received",
  "billing_evidence": {
    "source": "apizt own usage log, filtered gpt-image-2",
    "completed_at_as_displayed": "2026-10-08 02:40:57",
    "currency": "USD",
    "match_fields": [
      "completion time",
      "model",
      "input_tokens",
      "output_tokens"
    ],
    "scope": "This one request on the tested channel; not a universal price."
  },
  "provenance_note": "PNG/WebP contain exact request prompt metadata; pixels unchanged. API response checksum is retained separately from served PNG checksum."
}