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Bulk SMS service for the brands other providers turn away

Mainstream SMS providers block iGaming, crypto and forex traffic, or approve you and close the account in the first week of real volume. SendHaven SMS is built for exactly that traffic: rotating senders, tracked links on our own domain, number validation before you pay, and live reporting on every chunk you send.

100,000
Recipients per broadcast
Own domain
Tracked links, real unique clicks
1,000
Numbers per HLR validation batch
Prepaid
Pay only for messages you send

What SendHaven SMS gives you

SendHaven SMS is a platform for high-volume SMS campaigns in the verticals mainstream providers refuse. You get one dashboard for your audiences, your senders, your links and your results, and we handle the routes underneath.

It works on the same idea as our email infrastructure: don't fight high-risk traffic, manage it. Every broadcast can be split into chunks, and each chunk goes out with its own sender, its own wording and its own tracked link. You see delivery and clicks per chunk, so you know what works before you spend the rest of your list.

  • Broadcasts up to 100,000 recipients, sent right away or scheduled for the best hour in your market.
  • Sender lists that rotate a different sender ID into each chunk of a campaign.
  • Tracked links on our own domain, with clicks and unique clicks counted per recipient.
  • Word spinners and templates, so your chunks never share an identical text.
  • CTR-gated sending: send the first chunk, check the numbers, then release the rest.
  • HLR number validation before you pay to message a cold list.
  • Suppression lists and STOP keyword handling for clean opt-outs.
  • Two-way conversations and OTP codes by SMS or voice.
Every account is reviewed before it can send. We work with licensed, legitimate businesses only, and your account manager opens each destination country on your account individually, with routes and pricing confirmed for each one.

Built for the verticals mainstream SMS providers refuse

Most SMS platforms publish an acceptable use policy that rules out whole industries. If your business is on that list, you either get rejected at sign-up, or you get approved and lose the account the moment you start sending real volume.

  • iGaming and sportsbooks: deposit reminders, reactivation campaigns and bonus drops.
  • Casino and betting affiliates: acquisition campaigns pushed to tracked offer links.
  • Crypto and forex: account alerts, market updates and onboarding flows.
  • Dating, CBD and nutra: retention and win-back campaigns.

If you already send bulk email with SendHaven, SMS runs with the same account manager and the same way of working. If you don't, you can start with SMS on its own.

How sending works

  1. Create your account and confirm your email address.
  2. We review it, usually within a few business hours.
  3. Your account manager opens your countries and confirms your pricing for each one.
  4. Upload your recipient lists. Numbers are cleaned, de-duplicated and checked against your suppression lists automatically.
  5. Set up your senders, templates and tracked links, then send yourself a test message.
  6. Launch a broadcast in three steps: audience, message and sending conditions. Delivery, clicks and cost come in per chunk.

While you wait for review you can already prepare everything: lists, senders, templates and links are all available from the first login.

Built around how high-risk SMS really delivers

On high-volume SMS routes, carriers filter on a fingerprint: the sender name, the message text and the link, taken together. A fresh combination delivers well. As the same combination keeps sending, it builds up a reputation and its delivery slides.

SendHaven SMS is designed to keep that fingerprint fresh. Sender lists rotate sender IDs between chunks, link lists rotate destinations, and spinners vary the wording. Tracked links run on our own domain, not on a public shortener that every sender shares and carriers have already flagged.

The CTR gate protects your list. Instead of sending 50,000 numbers in one shot, you send the first chunk, look at the delivered and click rates, and only then release the next one. If a sender starts slipping, you retire it and carry on with a fresh one.

A delivery report is not the same as a message on a phone. Always test to a handset you control, and judge senders by their trend across several sends, not by a single broadcast.

Tools included with every account

  • HLR validation: quick checks of up to 5 numbers, or batches of up to 1,000 with the results sent back to your account.
  • OTP and 2FA: one-time codes by SMS or voice, with templates in English, Romanian, Polish, German, Spanish, French, Italian, Portuguese and more.
  • Conversations: replies from recipients land in your inbox, and keyword rules handle STOP automatically.
  • Analytics: volume, delivery, clicks and spend by day, sender, country and link.
  • Documentation: a step-by-step guide inside the dashboard for every feature.

Bulk SMS pricing

You pay per message, and the price depends on the destination country. Credits are prepaid, your balance is always visible in the dashboard, and every campaign shows its estimated cost before you press send. No credits, no send: you never get a surprise bill.

Your account manager confirms the rate for each country when it's opened on your account. Volume pricing is available for larger senders.

Bulk SMS service FAQ

Yes. SendHaven SMS is built for iGaming, sportsbooks, casino affiliates, crypto, forex, dating and the other verticals mainstream providers refuse. Every account is reviewed first, and we only work with licensed, legitimate businesses.
Countries are opened per account. Tell your account manager which markets you want to reach and we set up the routes and confirm your pricing for each one. Until a country is opened on your account, sends to it are blocked, so you never pay for traffic that wasn't set up properly.
You pay per message, and the price depends on the destination country. Credits are prepaid, your balance is always visible in the dashboard, and each campaign shows its estimated cost before you send. Volume pricing is available for larger senders.
Yes. Sender IDs are alphanumeric, up to 11 characters, with no spaces. You can build sender lists so each chunk of a campaign goes out with a different sender.
Insert a tracked link and every recipient gets a unique short link on our own domain. Clicks and unique clicks are counted per recipient and attributed to the campaign and the chunk they came from.
Yes. HLR validation tells you whether a number is live on the network. Run quick checks of up to 5 numbers, or batches of up to 1,000, before you pay to message a cold list.
Your global suppression list is applied to every send automatically. Add a STOP keyword rule and replies go straight into suppression. You can also keep extra suppression lists for imported do-not-contact files.
Sign up and confirm your email. We usually review accounts within a few business hours, then your account manager opens your countries. Lists, senders, templates and links can all be prepared while you wait.

Ready to send your first SMS campaign?

Create your account now. We review it, open your countries, and you're live.

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