Last-Minute Availability Alert
A calendar gap sent as a notification rather than an advertisement — four hard-cut frames that read like a text from the owner: the dates are open, this is the house, this is the rate and why, here is where to book. 18 seconds at 1080×1920 (9:16), 30fps, on an ink → photo → paper → ink rhythm with a persistent system-alert status row that reveals once and holds across every cut. Fourteen fields swap per render: alert_label, date_from, date_to, stay_summary, property_name, location_label, photo_property (one image used as both the avatar and the full-bleed), rate_value, rate_was, rate_note, rate_context, cta_label, deadline_note and cta_detail. The rate_was field is optional and sits in a fixed slot above the price, so a plain "still available" send and a discount send use the identical layout with nothing implying a cut that isn't there — which makes this safe to fire several times a week per property straight from a channel manager.
- Aspect ratio
- 9:16 · Vertical
- Duration
- ~18s
- Category
- Travel
Try it with your own copy
Edit a field and the frame re-renders in your browser. No account, no credits - previews are free because they cost a browser paint, not a render.
What you can customize
This template exposes 14 dynamic fields you can swap per video - edit them in the editor or pass them to the API to batch-render variations at scale. The monospace name is the exact key to send in replacements.
Photo Property
urlphoto_propertyhttps://images.pexels.com/photos/33687424/pexels-photo-33687424.jpeg?auto=compress&cs=tinysrgb&w=1800
Property Name
textproperty_nameThe Harbour House
~95 characters max · 1 line
Alert Label
textalert_labelA GAP JUST OPENED
~61 characters max · 1 line
Date From
textdate_fromFRI 14 MAR
~16 characters max · 1 line
Date To
textdate_toSUN 16 MAR
~16 characters max · 1 line
Stay Summary
textstay_summary3 nights · sleeps 6 · dogs welcome
~103 characters max · 3 lines
Location Label
textlocation_labelPOLPERRO · CORNWALL
~73 characters max · 1 line
Rate Was
textrate_was£220
~29 characters max · 1 line
Rate Value
textrate_value£165
~7 characters max · 1 line
Rate Note
textrate_notePER NIGHT · 3-NIGHT STAY
~58 characters max · 1 line
Rate Context
textrate_contextTwenty-five per cent under our usual March rate. The dates are ten days out, that’s the only reason.
~162 characters max · 4 lines
Cta Label
textcta_labelTake the weekend.
~53 characters max · 3 lines
Deadline Note
textdeadline_noteI’ll hold these three nights until Thursday at 6pm, then they go back on the channels.
~169 characters max · 4 lines
Cta Detail
textcta_detailharbourhouse.co.uk/march
~81 characters max · 2 lines
Render it from the API
Copy either call below. Both already carry this template's ID and its real variable keys - swap the values for your own.
1. Preview it — free
Same body as a render. Costs no credits, creates no job. Returns a public URL that plays the video in a browser, plus a list of problems with your payload — a mistyped key is otherwise ignored in silence.
curl -X POST https://renderly.video/api/v1/previews \
-H "Authorization: Bearer $RENDERLY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"templateId": "last-minute-availability-alert",
"replacements": {
"photo_property": "https://images.pexels.com/photos/33687424/pexels-photo-33687424.jpeg?auto=compress&cs=tinysrgb&w=1800",
"property_name": "The Harbour House",
"alert_label": "A GAP JUST OPENED",
"date_from": "FRI 14 MAR",
"date_to": "SUN 16 MAR",
"stay_summary": "3 nights · sleeps 6 · dogs welcome"
}
}'2. Render it
Change one word in the URL. Keep templateId — it is what links your call to this template, so later improvements reach you automatically.
curl -X POST https://renderly.video/api/v1/renders \
-H "Authorization: Bearer $RENDERLY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"templateId": "last-minute-availability-alert",
"replacements": {
"photo_property": "https://images.pexels.com/photos/33687424/pexels-photo-33687424.jpeg?auto=compress&cs=tinysrgb&w=1800",
"property_name": "The Harbour House",
"alert_label": "A GAP JUST OPENED",
"date_from": "FRI 14 MAR",
"date_to": "SUN 16 MAR",
"stay_summary": "3 nights · sleeps 6 · dogs welcome"
}
}'The body above shows 6 of 14 variables. Send any subset — every key you leave out renders its authored default. Read the full contract, with character limits, from GET /api/v1/templates/last-minute-availability-alert/variables. See the previewing guide, the rendering guide, or the OpenAPI spec.
Frequently asked questions
How do I customize the Last-Minute Availability Alert template?
Open the template in the Renderly editor and replace its 14 customizable fields (such as Photo Property) with your own text, images, or video. Every change previews instantly before you render.
How much does it cost to render this template?
Rendering is credit-based - 1 credit equals 1 minute of 1080p video, billed by the second. You only pay when you export, and credits never expire on the pay-as-you-go plan.
Can I generate this video at scale via the API?
Yes. POST this template's ID and a replacements object to /api/v1/renders - one call per row of data, 14 fields swappable per video. Send the same body to /api/v1/previews first to check it for free. No-code integrations like Zapier work the same way.
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