GatewayAPI is a Copenhagen-based provider of SMS and messaging APIs. It enables businesses to send SMS and RCS (Rich Communication Service) messages globally. The platform is fully GDPR-compliant (data stored in Europe, with ISAE 3000/3402 certifications). GatewayAPI boasts a service uptime above 99.99% and provides real-time delivery tracking. It offers features like two-way SMS, virtual numbers, and webhooks. Pricing for messages in 200+ countries is published transparently.