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    Conversation API

    One API for Conversational Messaging Across All Channels

    Send SMS, WhatsApp, RCS, and MMS messages seamlessly using a single API. Automate workflows, ensure delivery with smart fallback, and engage your audience with two way communication across all channels effortlessly.

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    Scale Conversations with our Flexible Messaging Platform with ease

    Manage customer conversations and build stronger customer relationships with a conversation API that allows you to launch and scale conversations across channels without dealing with multiple integrations

    1:1 and group messaging

    Support direct customer conversations as well as group-based conversational messaging from one integration point

    Real-time conversational messaging

    Send and receive messages instantly with webhook-driven event updates and boost engagement for better and happier customers

    Cross-channel continuity

    Maintain conversation history with cross-channel communication, even if a message shifts from WhatsApp to SMS, using intelligent routing

    Seamless Multi Channel Messaging API With Global Reach

    Get unified messaging API for every channel: SMS, RCS, MMS, and WhatsApp, enabling seamless cross-channel communication without the complexity of managing multiple vendors.

  • SMS Channel.svg

    SMS API:

    Send and receive transactional alerts, OTPs, promotions, notifications, and more globally

  • MMS Messaging.svg

    MMS API:

    Share images, videos, PDFs, links, and multimedia content via MMS where supported.

  • RCS Messaging.svg

    RCS Messaging API:

    Deliver rich media, interactive buttons, branded sender messages, and a verified messaging experience.

  • WhatsApp Marketing.svg

    WhatsApp Business API:

    Enable two-way customer communication with automation, templates, and real-time support workflows.

  • Intelligent SMS fallback:

    Automatically route messages to SMS if RCS or WhatsApp delivery fails, ensuring maximum reach and business continuity.

    • Built-in message routing and channel optimization ensure your messages always reach customers through the most effective available channel.

    Explore the API Documentation

    Find more information in our in-depth quick-start guides, comprehensive resource library, SDKs, and a free demo to build and launch your conversation API.

    View Conversation API Docs

    Key Features of TXTImpact’s Conversational Unified API

  • Two-way Messaging and Real-time Sync

    Enable seamless two-way conversations across all supported channels. Real-time synchronization ensures CRMs, agents, and marketing systems stay updated instantly. Perfect for scalable communication for sales, support, and marketing workflows.

  • Bulk Messaging with Conversation Threading

    Send bulk messaging campaigns while maintaining individual conversation threads. Ensure contextualized recipient interaction while allowing businesses to launch mass outreach campaigns, maintain conversation history per user, and continue personalized 1:1 conversations.

    • Webhooks and Developer-friendly REST API

    Our programmable messaging infrastructure includes event-driven webhooks and robust REST APIs for

    • Delivery tracking

    • Message status updates

    • Read receipts

    • Incoming message handling.

    Embed messaging directly into apps, backend systems, or SaaS platforms with minimal overhead.

    Opt-in and Compliance Management

    TXTImpact prioritizes compliance-first messaging with features including

    • Consent tracking

    • Opt-in/opt-out management

    • Automated unsubscribe handling

    • Regulatory-friendly message templates

    Maintain customer trust while meeting carrier and regional compliance standards.

    CRM and Marketing Automation Integration

    Connect your conversation API with marketing automation tools, CRM systems, and internal databases to

    • Automate lead nurturing,

    • Trigger personalized campaigns,

    • Route inbound conversations to sales teams

    • Sync conversation history across platforms.

    This bridges conversational messaging with business intelligence and customer lifecycle management.

    Delivery Reports and Messaging Analytics

    Track campaign performance with advanced delivery tracking and reporting tools. Get

    • Real-time delivery status

    • Click tracking

    • Engagement metrics

    • Channel-wise analytics

    This allows businesses to gain visibility and track campaign performance across every touchpoint.

    Built For Developers, Designed For Marketers

    TXTImpact’s Conversation API combines technical flexibility with marketing functionality, without any unnecessary complexity.

    For developers, TXTImpact provides

    • Clear, structured API documentation

    • Sandbox testing environment

    • Fast onboarding process

    • Simple authentication and scalable architecture

    For marketers, TXTImpact provides

    Where Can You Use Conversation API?

    Marketing Automation

    Trigger personalized cross-channel campaigns based on users’ purchase activity, user behavior, and CRM events.

    Customer Support

    Provide real-time customer support through SMS, RCS, and WhatsApp. Enable automated responses, ticket updates, and live agent handoffs with a unified conversation thread.

    Sales Teams

    Sales teams can enable leads instantly, share brochures via MMS, send follow-ups, and manage conversations from a centralized dashboard.

    Appointment Reminders

    Automate bookings, appointment reminders, confirmations and rescheduling workflows with intelligent channel fallback to maximize attendance rates.

    Identity and Verification

    Deliver authentication messages and secure OTPs with verified sender identities to protect users and data and prevent fraud risks.

    Healthcare

    Deliver appointment reminders, lab updates, and patient communications securely while maintaining compliance and consent tracking.

    Learn more about business text messaging use cases

    Why Choose TXTImpact Over Other Conversation APIs?

    Powerful features you can’t ignore

    Better deliverability

    Intelligent message routing and SMS fallback improve reach and open rates

    Built-in marketing tools

    TXTImpact provides not just an API, but a complete messaging ecosystem

    Compliance-focused infrastructure

    Built-in opt-in management and consent tracking reduce risks

    Intelligent fallback system

    Automatically switch to SMS if recipient's device doesn't supports RCS or Whatsapp.

    Multichannel in one dashboard

    Manage SMS, MMS, RCS, and WhatsApp together in one centralized dashboard

    Pre-approved messaging templates

    Save time with pre-approved and pre-defined messaging templates for all channels with dynamic fields

    Enhanced analytics

    Get real-time insights and analytics into message and campaign performance with user count, CTR, conversations, and engagement

    Frequently Asked Questions

    What is the difference between Messaging API and Conversation API?

    A messaging API typically focuses on sending outbound messages, like SMS or WhatsApp notifications. A conversation API, on the other hand, enables two-way messaging, threaded conversations, and cross-channel customer conversations with message routing, real-time updates, and delivery tracking.

    Is the API scalable for enterprise messaging?

    Yes, TXTImpact’s conversation API is built for scalable messaging, supporting transactional messaging, high-volume bulk campaigns, and enterprise-grade throughput.

    Does TXTImpact support multi-channel conversations?

    Yes, TXTImpact supports unified cross-channel communication across SMS, MMS, RCS, and WhatsApp within a single API and dashboard.

    Can I integrate the conversation API with my CRM?

    Absolutely, the conversation API supports CRM integration using REST endpoints and webhooks, enabling synchronized customer conversations and automated workflows.

    How secure is TXTImpact’s conversation API?

    TXTImpact uses secure authentication, encrypted data transmission, controlled access systems, and compliance-driven consent management to ensure enterprise-level messaging security.

    What channels does TXTimpact’s conversation API support?

    You can connect to SMS, MMS, RCS, and WhatsApp through one unified API to run your messaging campaigns.

    Who can benefit from TXTImpact’s conversation API?

    Businesses across retail and e-commerce, finance and banking, travel and hospitality, logistics, SaaS, and healthcare industries find TXTImpact’s intuitive and feature-rich conversation API beneficial.

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