Soku AI
Turn Attentive's SMS & Email Signals into Precise Paid-Media Audiences
Attentive drives revenue across SMS, email, RCS, and push with an AI-powered messaging platform. Connect it to Soku AI to turn subscriber segments, campaign engagement, and conversion signals into smarter ad audiences and creative.
Attentive at a Glance
Attentive is an AI-powered mobile and omnichannel marketing platform, SMS-first and now unified across SMS, email, RCS, and push. Built for mid-market and enterprise consumer brands, it pairs high-volume messaging with a deep AI layer for segmentation, timing, and identity resolution.
Core Capabilities
Attentive AI
A branded AI suite spanning Audiences AI (predictive segment building), Identity AI (high-intent visitor identification), and Send Time AI (per-subscriber optimal timing).
The AI Pro tier adds predictive suppression to lift open rates and deliverability.
AI Pro for Email
AI-generated email templates, copy, and product selection. Attentive reports marketers using it drove up to 25% more email campaign revenue (vendor claim).
Email is a newer channel — Attentive surpassed 1,000 email customers in 2025.
Omnichannel Messaging
SMS, email, RCS for Business, and push notifications — unified in one platform sharing the same subscriber data and segmentation logic. No channel silos.
Attentive Concierge
Two-way conversations that blend live agents with conversational AI to answer questions, recover carts, and drive product discovery inside the SMS thread.
Identity Resolution
Attentive Signal identifies high-intent site visitors and resolves identities across sessions, so returning ad clickers are recognized and enrolled into the right journeys.
Powers AI Grow sign-up units to convert paid traffic into subscribers.
AI Journeys & Automations
Behavior-triggered, multi-step journeys that respond to browsing, purchase, and engagement events in real time across every channel.
REST API & Webhooks
A REST API with JSON responses for managing subscriptions, sending transactional and personalized messages, and storing custom subscriber attributes. Event webhooks POST real-time signals.
OAuth 2.0 for third-party apps; API tokens for direct access. OpenAPI spec available.
Compliance & Deliverability
Built-in TCPA/CTIA tooling with audit trails, automatic opt-out detection, and Litigator Defender. Deliverability across 80+ carriers and multiple aggregators.
From Ad Click to Subscriber Revenue in 4 Steps
Soku AI drives high-intent traffic. Attentive converts it into subscribers and revenue. Together, they optimize the full messaging funnel.
Soku Optimizes Your Ads
Soku AI identifies winning creatives, audiences, and placements across Meta, Google, and TikTok — driving high-intent traffic to your store.
Attentive Captures Subscribers
AI Grow sign-up units and Identity AI convert visitors into SMS and email subscribers, while Attentive Signal resolves identities across sessions.
AI Journeys Nurture Automatically
Welcome series, cart recovery, and win-back journeys trigger across SMS, email, and RCS — timed per subscriber by Send Time AI.
Signals Flow Back to Soku
Subscriber segments and conversion events sync back through the API, so Soku can optimize ad audiences and creative for message-driven revenue.
Built for High-Volume Consumer Brands
DTC & Retail Brands
Grow SMS and email lists from ad-driven traffic and maximize revenue per subscriber with AI-timed, omnichannel journeys.
Shopify & BigCommerce Stores
Prebuilt ecommerce connectors sync products, orders, and events, so cart recovery and post-purchase journeys launch fast.
Performance Marketers
Connect ad spend to downstream conversion signals — see which creatives acquire subscribers who actually buy, not just click.
Lifecycle & CRM Teams
Use Audiences AI to build predictive segments and orchestrate SMS, email, RCS, and push from a single subscriber profile.
Enterprise Event Marketers
Send at BFCM scale with deliverability across 80+ carriers and compliance tooling built to withstand high-volume peaks.
Conversational Commerce
Turn Attentive Concierge two-way threads into a discovery and recovery channel, then feed those outcomes back into ad targeting.
How Soku AI + Attentive Work Together
Soku drives acquisition. Attentive drives messaging-led retention. Together, they optimize the full funnel — from ad impression to subscriber lifetime value.
Signal-Driven Audiences
Export Attentive's predictive subscriber segments — high-intent, repeat buyers, lapsed — to ad platforms as seed audiences. Soku optimizes lookalike targeting off your best cohorts.
Audiences AI scores help identify which subscribers to model lookalikes from.
Full-Funnel Attribution
Trace the journey from ad click to SMS opt-in to purchase. Understand which Soku-optimized creatives drive subscribers who convert, not just those who click.
Move beyond click-through rates to optimize for message-driven revenue.
Closed-Loop Creative Optimization
Attentive reveals which products, offers, and messages drive engagement and repeat purchases. Feed those insights back to Soku to inform creative strategy and ad copy.
Attentive Pricing
Attentive uses custom, quote-based pricing with no self-serve free tier. Costs scale with message volume, list size, channels, and AI products enabled.
Plan Structure
| Plan | Model | Notes |
|---|---|---|
| Free trial | Form-gated | Sales-led; no self-serve tier |
| Platform | Custom quote | Usage-based on volume + list size + channels |
| AI Pro | Add-on | Audiences, Identity, Send Time, AI Pro for Email |
| Enterprise | Custom | Annual commitments, white-glove onboarding |
Cost Drivers (third-party estimates)
| Component | Reported Range | Note |
|---|---|---|
| Platform fee | ~$300–$500/mo | Estimator figures, not official |
| SMS per message | ~$0.01–$0.025 | Plus carrier pass-through fees |
| MMS per message | ~$0.02–$0.05 | Plus carrier pass-through fees |
| Short code | ~$750/mo | Non-vanity, per Attentive help docs |
How Attentive Compares
Attentive is built for enterprise-grade SMS performance with a deep AI layer, conversational messaging, and strong compliance tooling.
| Capability | Attentive | Klaviyo | Postscript |
|---|---|---|---|
| Primary Strength | Enterprise SMS + AI | E-commerce email + SMS | Shopify-native SMS |
| Channels | SMS, Email, RCS, Push | Email, SMS, WhatsApp, Push | SMS, MMS |
| AI Layer | Attentive AI + AI Pro | K:AI agents | Limited AI |
| Two-Way Conversations | Concierge (agents + AI) | SMS conversations | SMS conversations |
| Compliance Tooling | TCPA + Litigator Defender | Standard compliance | Standard compliance |
| Integrations | 100+ connectors | 350+ connectors | Shopify-focused |
| Pricing | Custom, sales-led | Self-serve, published | Self-serve, published |
| Best Fit | Mid-market & enterprise | SMB to enterprise | Shopify SMB & mid-market |
Frequently Asked Questions
What is Attentive?
Attentive is an AI-powered mobile and omnichannel marketing platform, founded in 2016 and headquartered in New York City. It started SMS-first and now unifies SMS, email, RCS, and push, and is used by more than 8,000 businesses — largely mid-market and enterprise consumer brands.
How does the Soku AI integration work?
Soku AI optimizes your ad creatives and drives high-intent traffic. Attentive captures those visitors as subscribers and nurtures them through AI-timed SMS, email, and RCS journeys. Subscriber segments and conversion events flow back through Attentive's API so Soku can optimize ad audiences and creative for message-driven revenue — closing the loop between acquisition and retention.
Does Attentive have an API?
Yes. Attentive offers a REST API with JSON responses for managing subscriptions, sending personalized and transactional messages, and storing custom subscriber attributes. It supports OAuth 2.0 for third-party apps and API tokens for direct access, event webhooks for real-time signals, an OpenAPI spec, and SDKs including the Attentive Tag, a Google Tag Manager SDK, and iOS/Android mobile SDKs.
How much does Attentive cost?
Attentive uses custom, quote-based pricing with no published price list and no self-serve free tier. Pricing is usage-based, driven by message volume, list size, the number of channels, and which AI products you enable. A form-gated free trial is available, but onboarding is sales-led. Any specific dollar figures you see online are third-party estimates, not official quotes.
How is Attentive different from Klaviyo?
Attentive is built around enterprise-grade SMS performance, conversational messaging via Concierge, and a deep AI layer (Audiences AI, Identity AI, Send Time AI), with strong TCPA compliance tooling. Klaviyo is a self-serve, e-commerce-focused platform with more mature email and a larger integration catalog (350+ vs 100+). Attentive tends to fit higher-volume mid-market and enterprise brands, while Klaviyo scales from SMB upward.
What is Attentive AI?
Attentive AI is the platform's AI suite. It includes Audiences AI for predictive segment building, Identity AI for identifying high-intent site visitors, and Send Time AI for per-subscriber optimal timing. The premium AI Pro tier adds predictive suppression and AI Pro for Email, which generates templates, copy, and product selections.
Is Attentive compliant with SMS regulations?
Attentive provides built-in TCPA/CTIA compliance tooling, including audit trails for TCPA defense, automatic and fuzzy opt-out detection, accessibility-focused sign-up units, and Litigator Defender, which suppresses known litigator numbers. It also maintains deliverability across 80+ carriers and multiple aggregators for high-volume sending.
Which platforms does Attentive integrate with?
Attentive has 100+ prebuilt integrations, including ecommerce platforms like Shopify, BigCommerce, Adobe Commerce/Magento, and WooCommerce, plus CRM and data connectors such as Salesforce and HubSpot, and connectivity through Zapier. Its REST API and webhooks support custom integrations beyond the prebuilt catalog.
Close the Loop Between Ads and Messaging
Connect Attentive to Soku AI and turn every ad click into an engaged subscriber — with AI-powered SMS, email, and conversion signals feeding smarter ad audiences.