Celebrating TXTImpact's 20 Years of Business Texting Excellence. Be part of our journey. Start your free trial today!

  • Pricing
  • Book Demo
    • LoginFree Trial

     - SMPP Gateway Provider · USA

    A Direct SMPP Gateway Provider for High-Volume SMS

    TXTImpact connects you straight to the SMPP protocol — the raw protocol carriers use to move SMS at scale — instead of routing you through another provider's wrapper API. SMPP is fully supported on every account, backed by 20+ years of direct carrier connections.

    Start Free TrialContact Us
    800+

    carriers

    200+

    countries

    20+ Yrs

    direct carrier ops

    30000+

    businesses on-platform

    SMPP (Short Message Peer-to-Peer) is how carrier networks and messaging platforms actually talk to each other — a live, always-open connection rather than a request-and-response call. Most SMS providers sit on top of someone else's SMPP link and sell you an HTTP API on top of it. TXTImpact runs its own SMPP gateway, with connections that can also speak UCP/EMI, CIMD2, and HTTP where a carrier needs it — so you're not one reseller layer removed from the network.

    Why SMPP

    REST API vs SMPP : Which is better?

    Both routes reach the same carrier network through TXTImpact's gateway. The difference shows up once your volume grows — SMPP keeps one connection open instead of starting fresh for every message, which means faster sending and steadier delivery at scale.

    HTTP / REST API

    Good fit for lighter, request-driven sending

    ✓ Simple integration, any language

    ✓ Good for transactional, low-to-mid volume

    ✓ Webhooks for inbound replies

    ✓ No persistent connection to manage

    Get HTTP API

    SMPP Gateway

    Built for platforms sending at scale, continuously

    ✓ Stays connected — no setup delay before each message

    ✓ High throughput — hundreds to thousands of messages per second

    ✓ Replies arrive instantly on the same connection

    ✓ Built for aggregators, MVNOs, and platforms reselling SMS

    Get Started

    What you get

    Everything Enterprise Buyers Check for in an SMPP Provider

    This is the checklist teams typically compare across SMPP providers — here's where TXTImpact stands on each.

    Performance & Reliability

    High-throughput SMPP gateway

    Send hundreds to thousands of messages per second over a single connection.

    Persistent SMPP connection

    One connection stays open, removing setup delay on every message.

    Low-latency delivery

    Messages reach the carrier network in milliseconds, not request cycles.

    Enterprise-grade reliability

    24/7 monitored uptime across 800+ direct carrier connections.

    Messaging Capabilities

    Two-way SMS

    Send and receive on the same connection, in both directions.

    Real-time inbound messaging

    Replies arrive instantly over the connection — no polling required.

    Delivery receipts (DLRs)

    Carrier-confirmed delivery status returned for every message sent.

    Unicode & long SMS support

    Full-language support, with seamless concatenation past 160 characters.

    Connectivity & Routing

    Global carrier connectivity

    800+ carriers across 200+ countries, reachable from one account.

    Carrier-optimized routing

    Traffic can route through different providers per country for the best delivery path.

    10DLC, Toll-Free & Short Code

    Send from the number type your use case needs, with registration handled for you.

    Integration & Compliance

    REST API + SMPP API

    Use SMPP for volume or REST for lighter integrations — same account, either path in.

    Webhooks

    Push delivery status and inbound messages straight to your own endpoint.

    Compliance-ready messaging

    Opt-out handling and carrier registration built into every account.

    Some FeSend only · bind_transmitterature

    Receive only · bind_receiver

    Send & receive · bind_transceiver

    Getting Connected

    From Sign-up to a Live SMPP Gateway API Connection

    No separate SDK to learn — the SMPP Gateway API is the standard SMPP protocol itself, so any SMPP-compliant library can connect.

  • Sign Up

    First Sign Up, for Free Trial and contact the TXTImpact team to enable SMPP service for you with your use case.

  • Tell us your use case and volume

    Enterprise alerting, OTP/2FA, or reselling SMS as an aggregator — your traffic profile determines the numbers and throughput tier you'll need.

  • Get your SMPP Gateway API credentials

    We provision a system_id, password, and endpoint— typically within a business day.

  • Connect and scale

    Open the connection and start sending. Uptime, throughput, and carrier routing are monitored continuously behind the scenes.

    • Get StartedStart Free Trial

    Who binds to this

    Built for Platforms, not Just Campaigns

    SMS aggregators & resellers

    Wholesale SMS on top of a direct US carrier connection instead of another reseller's markup.

    Enterprise alerting & SCADA

    Monitoring and industrial systems that need guaranteed, low-latency delivery for critical alerts.

    OTP &

    authentication

    High-throughput one-time-passcode delivery for login and identity verification flows.

    SaaS &

    CPaaS platforms

    Embed SMS as a feature in your own product with a session built to handle your customers' volume.

    Questions

    SMPP Gateway, Explained

    Frequently asked questions answered

    What is an SMPP gateway?

    It's a connection that uses the Short Message Peer-to-Peer protocol to send and receive SMS directly with carrier networks. Instead of a new request for every message, your platform keeps one connection open — which supports much higher volume than a typical HTTP API.

    Is TXTImpact an SMPP provider?

    Yes — TXTImpact operates a native SMPP gateway and is one of the few providers offering direct SMPP access in the USA, backed by direct carrier relationships built over 20+ years.

    What's the difference between SMPP and an HTTP SMS API?

    HTTP is simple to integrate and fine for lighter, transactional sending. SMPP keeps a persistent connection open, removing per-message setup overhead — better suited to platforms sending continuously at volume.

    Does TXTImpact only support SMPP?

    No — the gateway can hold simultaneous connections to multiple carriers using SMPP, UCP/EMI, CIMD2, and HTTP, so your traffic isn't dependent on a single protocol or route.

    Ready when your traffic is

    Get your SMPP credentials

    Tell us your expected volume and use case — we'll set you up with sandbox access and a live bind, typically within a business day.

    Request SMPP Access
    Cookie Settings

    By using this website you agree to our privacy policies

    Cookie Settings

    We use cookies to improve user experience. Choose what cookie categories you allow us to use. You can read more about our Cookie Policy by clicking on Cookie Policy below.

    These cookies enable strictly necessary cookies for security, language support and verification of identity. These cookies can’t be disabled.

    These cookies collect data to remember choices users make to improve and give a better user experience. Disabling can cause some parts of the site to not work properly.

    These cookies help us to understand how visitors interact with our website, help us measure and analyze traffic to improve our service.

    These cookies help us to better deliver marketing content and customized ads.

    View Cookie Policy