Nano Banana Pro API

curl -X POST https://api.ezflows.io/v1/models/nano-banana-pro \
  -H "Authorization: Bearer $EZFLOWS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "Create a multi-panel GTA-style comic page featuring one woman and one man as office coworkers working on a new product launch. Use bold outlines, dramatic GTA loading-screen shading, expressive faces, modern tech office backgrounds.\n\nPanel 1 — Narration:\nThe woman enters the office early, holding a laptop. She looks stressed but determined.\nText: ‘Launch day. Weeks of work… all coming down to this.’\n\nPanel 2 — Dialogue:\nMan appears behind her with a calm, confident smile.\nMan: ‘You’re here early. Ready for the big ship?’\nWoman: ‘Trying to be.’\n\nPanel 3 — Action:\nBoth sit at a desk with screens showing graphs, bugs, and a countdown timer.\nText: ‘One critical bug left… time running out.’\n\nPanel 4 — Dialogue:\nClose-up of the man pointing at the screen.\nMan: ‘Wait—I see it. We can fix this.’\nWoman: ‘Let’s do it.’\n\nPanel 5 — Action:\nBoth typing fast, dramatic GTA-style lighting, code streaming across screens.\nText: ‘Two minds. One mission.’\n\nPanel 6 — Victory:\nThe laptop shows PRODUCT SHIPPED — SUCCESS. Both cheer and laugh in relief.\nWoman: ‘We did it!’\nMan: ‘Told you we’d make it.’\n\nPanel 7 — Narration:\nFinal shot: team walking out of the office at night, city lights behind them.\nText: ‘In tech, wins aren’t solo. They’re shared.’\n\nArt style: GTA loading-screen style, bold color blocks, high contrast shadows, confident comic composition, cinematic frames.",
    "system_prompt": ""
  }'

# 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": "nano-banana-pro",
    "status": "succeeded",
    "http_status": 200,
    "cost": 0.178779,
    "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": "Create a multi-panel GTA-style comic page featuring one woman and one man as office coworkers working on a new product launch. Use bold outlines, dramatic GTA loading-screen shading, expressive faces, modern tech office backgrounds.\n\nPanel 1 — Narration:\nThe woman enters the office early, holding a laptop. She looks stressed but determined.\nText: ‘Launch day. Weeks of work… all coming down to this.’\n\nPanel 2 — Dialogue:\nMan appears behind her with a calm, confident smile.\nMan: ‘You’re here early. Ready for the big ship?’\nWoman: ‘Trying to be.’\n\nPanel 3 — Action:\nBoth sit at a desk with screens showing graphs, bugs, and a countdown timer.\nText: ‘One critical bug left… time running out.’\n\nPanel 4 — Dialogue:\nClose-up of the man pointing at the screen.\nMan: ‘Wait—I see it. We can fix this.’\nWoman: ‘Let’s do it.’\n\nPanel 5 — Action:\nBoth typing fast, dramatic GTA-style lighting, code streaming across screens.\nText: ‘Two minds. One mission.’\n\nPanel 6 — Victory:\nThe laptop shows PRODUCT SHIPPED — SUCCESS. Both cheer and laugh in relief.\nWoman: ‘We did it!’\nMan: ‘Told you we’d make it.’\n\nPanel 7 — Narration:\nFinal shot: team walking out of the office at night, city lights behind them.\nText: ‘In tech, wins aren’t solo. They’re shared.’\n\nArt style: GTA loading-screen style, bold color blocks, high contrast shadows, confident comic composition, cinematic frames.",
      "system_prompt": ""
    },
    "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": "nano-banana-pro",
    "status": "succeeded",
    "cost": 0.178779,
    "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"