GPT Image 2.5 Sunburst API

curl -X POST https://api.ezflows.io/v1/models/gpt-image-2.5-sunburst \
  -H "Authorization: Bearer $EZFLOWS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A straight-down product still-life photograph on a brushed grey concrete surface. A glossy black vinyl record is half-slid out of a matte kraft-brown album sleeve. The sleeve is a modernist jazz cover: a large clean title '\''MIDNIGHT LATITUDES'\'' across the top in condensed sans-serif, an artist line '\''The Corner Sessions Quartet'\'' beneath it, and a five-song tracklist down the right edge reading '\''1. Blue Meridian  2. Harbor Lights  3. Slow Tide  4. Northbound  5. Last Call'\''. The record'\''s cream paper center label reads '\''SIDE A'\'' with a catalog number '\''CS-014'\''. Concentric grooves catch a low raking light; faint paper grain on the cardboard and light dust on the vinyl. Colour palette of deep teal, mustard and off-white.",
    "size": "1536x1024"
  }'

# 202 Accepted, at once — it never waits for the model:
# {"request_id": "req_8f2a41c9b70e4d15", "status": "queued",
#  "poll_url": "https://api.ezflows.io/v1/requests/req_8f2a41c9b70e4d15"}

REQUEST_ID=req_8f2a41c9b70e4d15   # from the POST

while :; do
  BODY=$(curl -s https://api.ezflows.io/v1/requests/$REQUEST_ID \
    -H "Authorization: Bearer $EZFLOWS_API_KEY")
  STATUS=$(echo "$BODY" | jq -r .data.status)
  case "$STATUS" in succeeded|failed|cancelled) break ;; esac
  sleep 3
done

echo "$BODY" | jq -r '.data.output.artifacts[].url'   # media.ezflows.io, kept 90 days

{
  "data": {
    "id": "req_8f2a41c9b70e4d15",
    "model_slug": "gpt-image-2.5-sunburst",
    "status": "succeeded",
    "http_status": 200,
    "cost": 0.084177,
    "auth_method": "api_key",
    "error": null,
    "submitted_at": "2026-09-12T18:07:21.114Z",
    "queue_started_at": "2026-09-12T18:07:21.402Z",
    "execution_started_at": "2026-09-12T18:07:22.010Z",
    "first_byte_at": "2026-09-12T18:07:52.871Z",
    "finished_at": "2026-09-12T18:07:55.203Z",
    "io_deleted_at": null,
    "canvas_id": null,
    "canvas_node_id": null,
    "client_attempt_id": null,
    "idempotency_key": null,
    "input": {
      "prompt": "A straight-down product still-life photograph on a brushed grey concrete surface. A glossy black vinyl record is half-slid out of a matte kraft-brown album sleeve. The sleeve is a modernist jazz cover: a large clean title 'MIDNIGHT LATITUDES' across the top in condensed sans-serif, an artist line 'The Corner Sessions Quartet' beneath it, and a five-song tracklist down the right edge reading '1. Blue Meridian  2. Harbor Lights  3. Slow Tide  4. Northbound  5. Last Call'. The record's cream paper center label reads 'SIDE A' with a catalog number 'CS-014'. Concentric grooves catch a low raking light; faint paper grain on the cardboard and light dust on the vinyl. Colour palette of deep teal, mustard and off-white.",
      "size": "1536x1024"
    },
    "output": {
      "artifacts": [
        {
          "index": 0,
          "kind": "image",
          "contentType": "image/png",
          "url": "https://media.ezflows.io/outputs/<account>/req_8f2a41c9b70e4d15/0.png"
        }
      ]
    }
  }
}

{
  "id": "82cf46a4-841e-41d6-b3c7-facc937d3252",
  "type": "request.succeeded",
  "created_at": "2026-09-12T18:07:55Z",
  "data": {
    "id": "req_8f2a41c9b70e4d15",
    "model_slug": "gpt-image-2.5-sunburst",
    "status": "succeeded",
    "cost": 0.084177,
    "output": {
      "artifacts": [
        {
          "url": "https://media.ezflows.io/…/0.png"
        }
      ]
    }
  }
}

# Create the endpoint under Webhooks in the dashboard; the signing secret is shown once.
# ezflows-signature: t=<ts>,v1=<hex HMAC-SHA256 of "<ts>.<raw body>">
# body.json = the exact bytes received. Reject anything older than five minutes.
EXPECTED=$({ printf '%s.' "$TS"; cat body.json; } \
  | openssl dgst -sha256 -hmac "$EZFLOWS_WEBHOOK_SECRET" -r | cut -d' ' -f1)

[ "$EXPECTED" = "$V1" ] && echo "valid" || echo "reject"