Developer-friendly API
Simple REST API with idempotency keys, webhooks for DLR and incoming SMS, plus examples for Node.js, Python, PHP, Go and Ruby. Send your first SMS with curl in under 60 seconds.
Contagion — meaning in crypto
SveaSMS gives you a direct path to send bulk SMS in minutes — with tier-1 routing, real-time analytics and no KYC delay. Contagion — meaning in crypto shows exactly how to get started.
- Definition: One collapse dragging down connected counterparties.
- Used across CEX, DEX, DeFi and OTC contexts
- Watch it in your feed — alert your users on the same event
- SveaSMS: instant SMS the moment your trigger fires
Scales with you
500 MPS by default, upgradeable on demand. From your first OTP to millions of marketing SMS per day — same infrastructure, same API, no migration.
Transparent pricing
One price per SMS, no monthly fee, no lock-in contract. Balance never expires and you see the exact campaign cost before you press send.
Real-time analytics
See delivery rate, click rate, opt-outs and revenue per campaign in real time. Segment by operator, geography and time of day — then export to your data lake with webhooks or CSV.
Frequently asked questions
Can I use multiple Sender IDs at once?
Yes. Rotate per segment, campaign or language with no hard cap.
Is there an API?
Yes. REST API with examples for Node.js, Python, PHP, Go and Ruby. See /api/rest for documentation.
Which countries do you cover?
Primarily Sweden through tier-1 direct connections. Nordic countries and Europe are available through partner networks.
Do I need KYC or verification?
No. Sign up, top up and send. No forms, no application, no waiting.
Can I choose any Sender ID?
Yes. Set any sender name you want, up to 11 characters. We do not pre-review Sender IDs for you.
Can I schedule campaigns?
Yes. From the dashboard or API, including timezone-aware scheduling and batch sends.