Everything you need to send at scale
StdioX Comms gives you two reliable channels, a clean API, and complete delivery visibility — all on a simple credits model.
Messaging
Send at any scale with two fully independent channels — SMS and email — on the same platform, same API, same credits.
- Bulk SMS with shortcode and alphanumeric senders
- Unicode and multi-part message support
- Real-time delivery receipts via webhook
- Custom email domains with DKIM and SPF authentication
- Transactional and marketing email on dedicated infrastructure
- Bounce handling, complaint tracking, and unsubscribe management
Contacts
Organise your audience without switching tools. Import, tag, and segment contacts directly in the platform.
- Contact groups with arbitrary nesting
- CSV import with automatic deduplication
- Tag-based segmentation
- Suppression lists and opt-out management
API & Integration
A clean REST API with OpenAPI 3.1 documentation. Everything in the portal is available via the API.
- REST API with structured JSON errors and rate-limit headers
- Official SDKs: Node.js, Python, PHP, Go
- Webhook delivery with automatic retry on 5xx
- Idempotency keys for replay-safe requests
Analytics
Full visibility into every message sent. Track delivery, opens, clicks, and credit usage over time.
- Per-message delivery logs with timestamps
- Email open and click tracking
- Credit usage history and breakdown by channel
- Export logs to CSV for your own analysis
Start for free
No subscription required. Credits never expire.