seven.io

seven.io (formerly sms77) is a German SMS gateway provider offering a REST API for sending and receiving SMS, flash messages, voice calls with text-to-speech, virtual inbound numbers, HLR lookups and an Email-to-SMS gateway. Delivery status is reported in real time through webhooks. Pricing is transparent pay-as-you-go with no monthly fees, no setup costs and no minimum commitments, starting at 0.075 EUR per SMS to German numbers; international rates are published per country. The API and Email-to-SMS features are free to use on every account.