TwilioPowered by Twilio

    SMS MARKETING · POWERED BY TWILIO

    SMS that replies back.On Twilio rails.

    ReplyAgent runs your SMS on Twilio, the gold-standard carrier infrastructure, and stacks every modern feature on top: AI replies through your AI Studio, a two-way unified inbox, mass broadcasts with per-contact tracking, Smart Flows, and a fully integrated CRM. Bring your own Twilio key. Zero markup. Carrier-grade reliability.

    Bring your own Twilio keyZero markup on SMS costsAI Studio · 40+ models
    Connect Twilio Free Schedule a Call

    No credit card · Free workspace · Setup in under 5 minutes

    WHY REPLYAGENT FOR SMS

    Three reasons SMS on ReplyAgent beats a stand-alone Twilio console.

    Twilio gives you the pipe. ReplyAgent gives you the inbox, the AI, the campaigns, and the CRM that turn a phone number into a revenue engine.

    Bring Your Own Twilio Key

    Connect your own Twilio account. You pay Twilio their carrier rate directly, ReplyAgent never adds a markup. Full transparency, full ownership of the number.

    AI on every reply

    Plug any AI Studio assistant (ChatGPT, Claude, Gemini, DeepSeek) into SMS. Inbound texts are answered with context, your data, your tone. Take over with one click.

    Two-way inbox, not a blast tool

    Every inbound SMS lands in the same real-time inbox as WhatsApp, Instagram, Messenger, Telegram, and Webchat. Route, take over, hand off, resolve.

    BRING YOUR OWN TWILIO

    Your number. Your key. Your carrier rate.

    SMS on ReplyAgent runs on Twilio, the infrastructure trusted by the world's largest brands. Connect your own Twilio account in one click. You pay Twilio at their published rates, we add zero markup. No middleman, no per-message commission, no surprise invoice.

    Bring your own key

    Paste your Twilio Account SID and Auth Token. Your SMS is live in minutes.

    Global coverage

    Twilio operates across 180+ countries with carrier-grade SMS deliverability.

    Zero markup

    You pay Twilio directly. We add nothing on top of carrier costs.

    Full audit trail

    Every send logged with carrier delivery status, ready for compliance review.

    AI STUDIO ON SMS

    A real AI brain on your phone number.

    Plug any AI Studio assistant into your Twilio number. Pick the model (ChatGPT, Claude, Gemini, or DeepSeek), point it at your knowledge base, and inbound SMS gets answered in your brand voice with full conversation context. Auto-fallback if the primary model goes down.

    • Connect any of 40+ AI models across 4 providers
    • Train on your website, PDFs, plain text, or database
    • Auto-fallback with full conversation context preserved
    • Hand off to a human any time, with one click
    AI assistant replying on an SMS conversation

    TWO-WAY UNIFIED INBOX

    Every inbound text. In the same inbox.

    SMS is not a one-way channel in ReplyAgent. Every inbound text lands in the real-time unified inbox alongside WhatsApp, Instagram, Messenger, Telegram, and Webchat. Reply, route, take over, hand off, resolve. The contact's full history across every channel sits next to the conversation.

    • SMS chats in the unified inbox with every other channel
    • Real-time inbound stream, typing and delivery indicators
    • Filter by channel, agent, tag, or pipeline stage
    • Cross-channel contact history in one timeline
    Two-way SMS conversation in the unified inbox

    SMS BROADCASTS

    Mass SMS that actually lands.

    Compose once, broadcast to your entire opted-in audience over Twilio's carrier-grade network. Per-contact delivery status with reason codes on failure. Schedule by date, time, and timezone. Segment by tag, country, language, or any custom field.

    • Mass SMS sends on Twilio carrier infrastructure
    • Per-contact delivery and failure tracking with reason codes
    • Schedule by date, time, and timezone
    • Segment by tag, country, pipeline stage, or custom field
    SMS broadcast on mobile

    AUDIENCE BUILDER

    Pick exactly who should get the text.

    Build an SMS audience from your CRM in seconds. Filter by tag, country, language, pipeline stage, opt-in status, or any custom field. Combine filters with AND / OR logic. Save the segment, reuse it next month.

    • Filter by tag, country, language, pipeline, or custom field
    • AND / OR logic across multiple filters
    • Live count of opted-in contacts before you send
    • Save audiences and reuse across campaigns
    Audience builder filtering SMS contacts in the CRM

    SMART FLOWS ON SMS

    Drag, drop, automate any SMS journey.

    Smart Flows can listen on SMS. Drop an inbound-message trigger, branch on content with AI, send templated replies, hit external APIs, update the CRM, move pipeline stages. 300+ blocks. No code. One canvas.

    • Trigger flows on incoming SMS, webhooks, or schedules
    • Branch on AI output, fields, tags, or API responses
    • Send templated replies, two-way OTPs, drip sequences
    • Per-step analytics to spot drop-off and optimize live
    Smart Flow listening on inbound SMS

    CRM INSIDE THE CHAT

    Every SMS is a CRM opportunity.

    Every inbound SMS creates or updates a CRM contact automatically. Capture phone number, country, carrier, opt-in status, and any custom data. Tag, segment, move across pipelines, attach notes, fire Smart Flows on any signal. The text becomes a sale.

    • Auto-create CRM contacts from every inbound text
    • Capture phone, country, carrier, and opt-in status
    • Move contacts across pipeline stages on any event
    • Tag, segment, and reuse audiences for broadcasts
    SMS conversation inside the live chat with full CRM context

    DELEGATE WHO HANDLES WHAT

    AI. Team. Agent. One click each.

    Decide who owns every SMS conversation. Change your mind. Hand it off. The system keeps the context, you keep the customer.

    Delegate to AI

    Your AI Studio assistant handles the conversation by default. Take over the second something nuanced lands.

    Delegate to a team

    Route to Sales, Support, Billing, or any team you define. Round-robin within the team.

    Assign to a specific agent

    Pick the human, hand it over, push-notify them. The conversation lands in their personal queue.

    COMPOSER FEATURES

    Every SMS feature your team actually needs.

    Templated replies, AI compose, AI translation, scheduled sends, tags, notes, the modern messaging toolkit, exposed to every operator.

    Canned replies

    Team-wide shortcuts for the answers you send every day.

    Scheduled sends

    Fire a follow-up at exactly the right time, even hours later.

    AI translation

    Inbound and outbound translation across 60+ languages.

    AI grammar polish

    On-brand tone and clean spelling, one keystroke.

    AI compose

    Draft a reply from a one-line prompt. Edit. Send.

    Tags & notes

    Tag the conversation, attach notes, share with the team.

    Smart filters

    Slice the inbox by status, agent, country, or any custom field.

    Quick automations

    Trigger a Smart Flow inline from inside any conversation.

    WHAT BUSINESSES SHIP ON SMS

    Sales, support, reminders, verification. Carrier-grade.

    SMS still has the highest open rate of any channel. ReplyAgent gives it the AI and operations layer it deserves.

    Promotional broadcasts

    Time-bound offers, drop announcements, mass campaigns to opted-in audiences.

    Appointment reminders

    Send the reminder the day before. Reschedule and confirm right in the thread.

    Order updates & tracking

    Order confirmations, shipping pings, delivery status, all automated.

    2FA & verification

    One-time codes and account verification via Twilio carrier infrastructure.

    Lead qualification

    Capture inbound leads, score, tag, route to the right team automatically.

    Re-engagement

    Wake up silent contacts with a personalized win-back text.

    BUILT FOR EVERY OPERATION

    Solo founder or a hundred-client agency.

    Run one Twilio number for yourself, or one per client workspace. The platform scales without friction.

    Solo founders

    Spin up an SMS number this afternoon. AI handles inbound volume. You handle the high-leverage conversations.

    Mid-market & e-commerce

    SMS as a real revenue channel: AI sales, broadcasts, CRM, team handoffs, all wired up.

    Agencies

    A dedicated Twilio number per client workspace. Clone proven flows. White-label end to end.

    PLUG-AND-PLAY

    Integrations

    Transform your channels into an automated machine.

    AI Solutions

    Power your assistants with the best AI models. Switch between them in one click, with automatic fallback.

    ChatGPTChatGPT
    Claude AIClaude AI
    GeminiGemini
    DeepSeekDeepSeek
    ElevenLabsElevenLabs
    LLM WhispererLLM Whisperer

    CRM, Databases & Scheduling

    Keep leads, pipelines, and customer data synchronized with your favorite tools.

    BaserowBaserow
    SupabaseSupabase
    Cal.comCal.com
    FireCrawlFireCrawl
    n8nn8n
    Make.comMake.com
    ReplyAgent

    Marketing & Ads

    Sync leads from ads and marketing platforms directly into your WhatsApp workflows. Attribute every conversion.

    Meta CAPIMeta CAPI
    ActiveCampaignActiveCampaign
    n8nn8n
    Make.comMake.com

    E-commerce & Payments

    coming soon

    Connect your store and payment systems to automate orders, confirmations, and follow-ups.

    ShopifyShopify
    WooCommerceWooCommerce
    StripeStripe
    AsaasAsaas
    PixPix
    WooviWoovi

    All native. All maintained. All free with your platform.

    Frequently Asked Questions

    Your SMS engine, live today.

    Spin up your free workspace, connect a Twilio key, and start running an AI-powered SMS operation in under 5 minutes.

    Connect Twilio Free Schedule a Call

    No credit card · Free workspace · Cancel anytime