Compliance without friction
Automatic opt-out via STOP/AVSLUTA, quiet hours per market and content warnings that catch carrier-risk content before you send.
Coincheck SMS for OTP & 2FA delivery
SveaSMS gives you a direct path to send bulk SMS in minutes — with tier-1 routing, real-time analytics and no KYC delay. Coincheck SMS for OTP & 2FA delivery shows exactly how to get started.
- Reach Coincheck users across 200+ countries
- Send OTP & 2FA delivery in under 3 seconds
- Any Sender ID — brand, shortcode or numeric
- REST API, webhooks, dashboard or CSV
- Crypto and card top-ups — pay in USDT, USDC, BTC or SEPA
Support that answers
We operate from Sweden. Ping us and a technician answers — not a chatbot, not a tier-1 agent escalating. Directly to someone who knows the system.
GDPR-safe
Data is stored in the EU, with no subprocessors outside the EEA without explicit consent. A DPA is available on request and opt-out is handled automatically.
Automation and integrations
Trigger SMS from Zapier, Make, n8n, HubSpot, Shopify, WooCommerce or your own backend. Build drip campaigns, welcome flows, abandoned cart flows and OTP instantly.
Frequently asked questions
Can I use multiple Sender IDs at once?
Yes. Rotate per segment, campaign or language with no hard cap.
How fast are SMS delivered?
Usually within seconds through direct connections to Swedish operators. Delivery rate above 99%.
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.
How do I pay?
Crypto (BTC, ETH, USDT) via NOWPayments or card via Banxa. Balance is active as soon as payment is confirmed.
How is opt-out handled?
Automatically through STOP/AVSLUTA — the customer is placed on a per-sender blocklist. You can also whitelist.