GatewayAPI

GatewayAPI powers global messaging with a high-throughput SMS gateway and RCS Business Messaging delivered through clean REST APIs. Developers and marketers reach customers in 200+ countries with transactional alerts, OTPs, two-way conversations, and rich-media campaigns, backed by 99.99% historical uptime and response times measured in seconds.

The platform exposes SMS, RCS, and email APIs alongside virtual numbers, number lookup, and email-to-SMS gateways. Integrations with 5,000+ apps through Zapier, Make, and native plugins let teams automate notifications end-to-end without custom glue code, while carrier-grade routing guarantees deliverability across operators.

Key benefits:

• SMS and RCS APIs send branded, interactive messages worldwide in seconds
• Virtual numbers collect payments, donations, and signups via shortcodes
• Email API ships transactional mail with full GDPR compliance
• Number lookup validates recipients before bulk broadcasts to cut waste
• 5,000+ integrations automate messaging through Zapier, Make, and plugins
• Sub-20-second support keeps developer teams unblocked during launches

Headquartered in Copenhagen, Denmark, GatewayAPI runs its infrastructure entirely inside the EU with European storage, full GDPR compliance, and ISAE 3000 and ISAE 3402 auditor statements. Ownership and hosting remain European, keeping message metadata, phone numbers, and customer records out of reach of extraterritorial disclosure regimes.

Trusted by Roskilde Festival, NEMADVOKAT, Minuba, and thousands of European businesses that need reliable messaging without vendor lock-in or data-transfer risk.