Moderated audience messages for your live production. No social media aggregation. No subscriptions. €39.90 per event.
Try free – no account neededTraditional message walls often aggregate social media. They rarely ship a first-class JSON feed for OBS or vMix. And many are priced as a monthly subscription — even if you only run a handful of events each year.
Free 30-minute trial. No account required.
URL/API Source plugin in OBS, or vMix Data Source. Set refresh to 5 seconds.
Approve messages before they go on screen. Works in any browser.
GET https://postwalls.com/your-wall/feed?limit=20
→ {
"messages": [
{ "content": "Great talk!", "nickname": "Alex" },
{ "content": "Amazing session!", "nickname": "Sam" }
]
}| Feature | Postwalls | Traditional message walls |
|---|---|---|
| JSON feed | ✅ Native | ❌ Not available |
| Price | €39.90 / event | Monthly subscription |
| Audience login | ✅ Not required | ⚠️ Often required |
| Data hosting | ✅ EU/EEA | Varies |
One price, one event. No surprise invoices.
You can see exactly what the API returns before you buy. See the JSON schema →
Hosted in EU/EEA. GDPR by design, not as an afterthought.
Four events per year on Postwalls: €159.60. A typical monthly subscription at ~€79/month adds up to about €948/year for the same cadence — a large gap for occasional productions.
Yes. Add a Browser Source in OBS and paste your wall URL. For a transparent overlay, use the /fullscreen/transparent URL and enable the browser source transparency option in OBS.
In vMix, go to Settings → Data Sources → Add. Select URL (JSON), paste your feed URL, set Path to "messages", and set refresh to 5 seconds. See the full step-by-step guide in the documentation.
Each approved message is an object with content (message text), nickname (sender name), created_at (ISO 8601 timestamp), and likes_up / likes_down counters. The full schema is in the documentation.
No. Attendees send messages directly from their browser — no app download, no login, no registration required.
Yes. All data is stored and processed in the EU/EEA. Postwalls is built with GDPR requirements in mind from the ground up, not as an afterthought.
The free trial lets you run a wall for 30 minutes with up to 10 messages — no account or payment needed. Pro (€39.90 per event) removes the time limit, allows unlimited messages, and includes all features.
Yes. Enable moderation in your wall settings and every message must be approved before it appears in the JSON feed or on screen. The host view works in any browser — phone, tablet, or laptop.