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GatewayAPI
  • Platform

    Platform Overview

    One platform for SMS, RCS and email – with advanced security and compliance features.

    Global Setup Communicate globally via our powerful messaging APIs with easy integration and high operational stability.EU Setup Ensure data sovereignty with hosting, ownership and routing entirely within the EU.

    Channels & Features

    SMS

    Global SMS messaging platform.

    SMS APIs Use GatewayAPI's powerful SMS APIs to send messages globally.Virtual Numbers Power payments, contests & global compliance.Shortcodes For large-scale alert systems & marketing traffic.Keywords Trigger automated marketing & API responses worldwide.Number Lookup Use our Number Lookup service to test availability before SMS broadcasts.

    RCS

    Create extraordinary experiences.

    RCS Business Messaging Interactive, branded messages with rich media.RCS/RBM Agents How to register your official RCS Agent.

    Email

    Email APIs for transactional messages and marketing

    Email APIs Access our email APIs with high scalability.Email To SMS Mobile messaging from your inbox or legacy systems.

    Trust Center

    Security & Compliance

    Compliance, data sovereignty and anti-fraud.

    Fraud PreventionProtect your account
    Data SovereigntyEnsure data stays within the EU
    LegalDPAs, policies and agreements
    Secret FeatureEnsure confidentiality
  • Build

    Developer Resources

    Everything you need to build, integrate and launch with GatewayAPI.

    Documentation View our API-options and learn how to connect with GatewayAPI.Integration Guide Recommended integration options for GatewayAPI.Messaging API Simple and future-proof interface for sending SMS and RCS messages to phone numbers.Code Examples Connect to GatewayAPI with your preferred coding language.

    Help & Support

    Technical Assistance

    Technical assistance, service updates and support when you need it.

    Help Center Learn how to quickly get started using your GatewayAPI account.Technical Support Browse our FAQ or get in contact with our support team.Commercial Support Get professional advice on your messaging needs and new opportunities.Status Page Full transparency: Real-time status and uptime history

    Knowledge

    Learn & Explore

    Best practices, guides, customer stories and messaging insights.

    Blog Latest news, tips & tricks, customer cases, and in-depth technical postsCountry Restrictions See possible restrictions for over 200 countriesCustomer Stories See how real businesses scale and succeed using our messaging services.Guides Master GatewayAPI with step-by-step tutorials and best practices.
  • What are you sending?

    By Use Case

    Proven communication flows for engagement, support and verification.

    Marketing Messaging Drive sales and engagement with targeted mobile marketing campaigns.Transactional Messaging Deliver instant, automated alerts, OTPs, and order updates safely.SMS Service Messaging Deliver crucial service alerts and urgent updates when it matters.

    Where do you operate?

    By industry

    Explore industry-specific communication solutions and best practices.

    Healthcare Deliver critical patient alerts, appointment reminders, and OTPs.Logistics Keep customers updated and include links to manage and reroute deliveries.Retail and E-commerce Win back carts, launch targeted campaigns and send delivery updates.

    Who is using it?

    By Role

    Solutions designed for marketing, engineering, support and operations.

    Marketing Launch targeted campaigns, recover carts, and boost customer loyalty.Sales Convert more leads and close deals faster with instant follow-ups.Customer Support Resolve issues faster with two-way texting and automated updates.
  • Learn

    News & Insights

    Latest articles, updates and deep dives.

    Blog Read industry updates, company news, and deep dives into messaging tech.Insights on Security Explore best practices and technical guides for secure messaging.Insights on GDPR Read about how we build and maintain our GDPR-compliant platform.

    Integrations

    Popular Integrations

    Connect GatewayAPI with your favorite tools.

    WordPress Use our WordPress SMS plugin to send messages to your customers easily.Zapier No-code platform for setting up integrations and automations between your favorite tools.Make Use Make to set up advanced integrations and automations between thousands of services.

    Tutorials

    Developer Guides

    Step-by-step tutorials and implementation examples.

    Send via Python Get started in minutes with our clean Python library and examples.Send via PHP Lightweight PHP scripts to trigger automated messaging.Send via Java Robust code examples to integrate messaging into your Java backend.
  • Pricing

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Help Center
  • Quickstart
    • How to get started with your account
    • How to create subaccounts
    • How to invite a member
  • Billing
    • What payment methods do you offer and how can I set up a consumption report?
    • Trial, test credit and account suspension
    • Where can I find your prices?
  • SMS messaging
    • Mobile Messaging API
    • How do I set up webhooks?
    • How do I specify a Sender ID?
    • What is the character limit for an SMS?
    • Why did my SMS messages fail to be delivered?
    • Where can I find the delivery status?
    • What do the different error codes mean?
    • How to use Quick Send
    • What are country-specific restrictions?
    • How do I use special characters in SMS messages?
    • How do I acquire keywords, short codes and virtual numbers?
    • How to set up 2-way communication
    • Is it possible to include emojis in my SMS?
    • How to use the labels feature
  • RCS messaging
    • What is RCS Business Messaging?
    • Mobile Messaging API
    • How does RCS with fallback to SMS work?
    • How many characters can an RCS message contain?
    • Does the use of emojis affect the character limits of RCS messages?
    • What are RCS agents?
    • Is RCS Business Messaging Secure?
  • Email messaging
    • How do I get started with your email services?
    • What is DKIM?
    • What is SPF?
  • Account changes
    • How do I change my account details?
    • How do I delete my user?
  • Security
    • How do I get my URLs whitelisted?
    • How do I set up geo permissions?
    • How do I set up IP whitelisting?
    • How does OCiD and two-factor authentication (2FA) work?
  • Integrations
    • Integrations
  • Knowledge bank
    • What is the difference between A2P and P2P Messaging?
    • What are concatenated SMS messages?
    • What is an SMS API?
    • What is a CPaaS?
    • What is SMS traffic pumping fraud?
    • How do I get started with SMS marketing?
  • Terminology
    • Terminology
    • RCS Terminology
    • Email terminology
    • GatewayAPI-specific terminology

Integrations

The integrations on this page allow you to implement GatewayAPI’s messaging services in just about any tool or system that you wish to use.

See all integrations.

Code examples

Find a number of code examples you can copy, edit and use directly with our API. We support C#, Curl, Go, HTTPie, Java, Node.js, PHP, Python and Ruby.

WordPress

If you have an existing WordPress-account, you can use it to send SMS messages with our WordPress-integration for GatewayAPI.

Kannel

With Kannel, you can connect to multiple different APIs from mobile networks like Nokia CIMD, CMG UCP/EMI and SMPPC with a simple HTTP-interface.

SMPP

With the use of the GatewayAPI SMPP protocol, you can send huge bulks of messages fast and reliable to a great number of recipients.

Make

With Make, you can integrate GatewayAPI into other services in a near-infinite number of ways. Use ready-to-go templates to get started quickly.

Zapier

Create an unlimited amount of integrations with Zapier + GatewayAPI. Use ready-to-go templates to get started right away.

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