Avail404
2 extensions 126 users in all First published 21 Nov 2025
Extensions are grouped by the store's own publisher account ID, so a developer who uses several accounts appears on several pages. Live extensions come first, most users first.
| Extension | Category | Users | Rating | Updated | Status |
|---|---|---|---|---|---|
| API Sniffer Pro – Monitor, Inspect & Document APIs | Developer Tools | 122 | 5.00 | 22 Mar 2026 | Live |
| TabCost | Tools | 4 | – | 4 Feb 2026 | Live |