Something is stirring in the email and SMS marketing world, and it is not subtle. Over the past six weeks, multiple agency leaders and DTC brand operators have quietly told Ecommerce Times that Attentive’s partnership team has been conducting what one source described as a “systematic sweep” of Klaviyo’s most productive agency partners — dangling revenue-share bumps of reportedly 5 to 8 percentage points above Klaviyo’s standard tier rates, plus co-marketing budget allocations that sources say range from $15,000 to $50,000 per agency per quarter.
The alleged campaign, which sources say began in earnest around late April 2026, appears timed to capitalize on what insiders describe as growing agency frustration with Klaviyo’s CDP expansion rollout — a product push that several partners say has complicated implementations and shifted Klaviyo’s attention away from the core email-and-SMS workflows that made the platform indispensable to mid-market DTC brands.
What Exactly Is Attentive Allegedly Offering Agency Partners?
According to three agency leaders who spoke on background — all of whom are currently Klaviyo partners with combined client rosters exceeding 200 Shopify stores — Attentive representatives have approached them with formal “migration incentive packages” that go well beyond standard partner perks.
- Revenue share reportedly bumped to 20–25% on referred MRR versus Klaviyo’s standard 15% for comparable tiers
- Co-marketing budget of up to $50,000 annually for joint case studies, webinars, and paid social amplification
- Dedicated agency success manager assigned day-one, not gated behind a revenue threshold
- White-glove migration support including free data-mapping for Klaviyo list transfers
- Performance bonuses allegedly tied to moving a minimum of 10 client accounts within 12 months
“I’ve been a Klaviyo partner for four years and I’ve never had another platform come at me this hard,” said one agency founder who runs a 22-person retention-focused shop serving health, wellness, and apparel brands. “The offer was real money. We’re still evaluating it.”
Attentive did not respond to a request for comment by press time. Klaviyo declined to comment on partner dynamics but a spokesperson said the company “remains deeply committed to its agency ecosystem and continues to invest in partner enablement.”
Is Klaviyo’s CDP Pivot Creating an Opening for Rivals?
Sources close to the matter say Attentive’s timing is not accidental. Klaviyo’s aggressive push into customer data platform territory — anchored by its B2B expansion and a series of enterprise-facing product announcements through early 2026 — has reportedly left some mid-market agency partners feeling like second-class citizens.
“Klaviyo is clearly chasing enterprise logos right now. Their roadmap conversations feel like they’re building for Salesforce customers, not for a founder running a $3M Shopify brand. That’s the gap Attentive is walking right into.” — Agency director, retained by DTC brands across fashion and home goods verticals, speaking anonymously
Two sources mentioned that Klaviyo’s recent changes to its partner portal — including revised certification requirements and new minimum activity thresholds to maintain gold-tier status — have created administrative friction that smaller boutique agencies find particularly burdensome. One retention agency owner described spending “an entire week in Q1 just re-certifying staff to keep our tier” after Klaviyo updated its curriculum.
For context, Klaviyo reported roughly 167,000 customers on its platform as of early 2026, with agencies driving a significant share of new logo acquisition at the mid-market level. Losing even a handful of high-volume agency partners could meaningfully impact new customer flow in the $50,000–$150,000 ARR segment.
Who Are the Key Players Behind the Alleged Campaign?
Sources name Attentive’s VP of Partnerships, unconfirmed but reportedly a recent hire from a competing martech firm, as the architect of the outreach push. Several agency contacts say the approach is more structured than opportunistic — with templated pitch decks, a formal migration calculator tool, and scheduled follow-up cadences that suggest a coordinated program rather than individual hustle.
On the Klaviyo side, sources say Andrew Bialecki, Klaviyo’s co-founder and CEO, is aware of the partner tension but has reportedly characterized it internally as a “normal competitive cycle” rather than a strategic threat. Whether that read is accurate or dangerously complacent is a matter of heated debate in agency Slack channels.
“Andrew built one of the great DTC platforms of the last decade. But there’s a real risk that as Klaviyo scales toward enterprise, they forget that their base was built on agencies who were grinding it out with Shopify merchants at $50K revenue. Attentive hasn’t forgotten that.” — Unnamed agency principal, 7-figure annual Klaviyo-influenced MRR
Brian Long, Attentive’s co-founder and CEO, has been notably vocal on LinkedIn in recent months about Attentive’s “full-funnel retention” positioning — a deliberate reframing that positions the platform not just as an SMS tool but as a revenue layer competitive with Klaviyo’s full stack. Whether that positioning is resonating operationally or just in marketing copy is something the alleged partner campaign may be designed to test at scale.
How Are DTC Brands Actually Responding to the Platform Drama?
For DTC operators, the subtext here is less about vendor loyalty and more about migration risk. Moving a mature email and SMS program — think 500,000+ subscriber lists, complex flow architectures, A/B test histories, and integrated Shopify data — is not a weekend project. Several brand operators contacted by Ecommerce Times said they are watching the agency drama closely but have no immediate plans to switch.
- One $18M/year apparel brand on Shopify Plus said their agency had flagged the Attentive offer but estimated a platform migration would cost 6–8 weeks of engineering and strategy time
- A DTC supplement brand with 280,000 active SMS subscribers said the migration risk “is just not worth it for a rev-share bump that doesn’t flow to us anyway”
- A home goods brand doing approximately $4M in annual email-attributed revenue said they were “open to a parallel test” but would not commit to a full switch without 90 days of side-by-side data
That last point — the parallel test — is reportedly exactly what some Attentive-aligned agencies are proposing as an entry wedge: run Attentive on SMS while keeping Klaviyo on email, then consolidate once trust is established. Industry observers say this is a smart tactical move given that wholesale platform switches remain deeply unattractive to operators managing complex retention programs.
What Does This Mean for the Broader Martech Partnership Ecosystem?
The alleged Attentive play is being watched closely by other martech platforms that rely heavily on agency channels for distribution. Sources at two competing platforms — both of whom asked not to be named — said the reported offer structure is “aggressive enough to move the needle” and could prompt Klaviyo to respond with its own partner incentive refresh before Q3.
There is also a broader strategic question about what aggressive partner poaching does to the ecosystem trust that platforms spend years building. Agencies that feel wooed and then underserved have long memories — and the DTC agency world is small enough that word travels fast.
“Everyone in this space talks about partner-first. But when the checks get big enough, platform teams forget that agencies are people, not a distribution channel. The ones that remember that over a five-year horizon tend to win.” — Retention agency founder, client portfolio includes multiple eight-figure Shopify brands
Notably, sources say Postscript — another SMS platform with a loyal agency following — has not yet made aggressive moves to capitalize on the Klaviyo partner tension, reportedly preferring to let the Attentive-Klaviyo friction play out before repositioning its own partner program. Whether that restraint is strategic patience or a missed window remains to be seen.
What Should Shopify Agency Leaders Do Right Now?
If you’re running a retention-focused agency and you’ve received outreach from Attentive’s partnership team, sources say the smart move is neither to jump nor to ignore. Several agency veterans recommend a simple framework:
- Request a formal written breakdown of the rev-share structure and co-marketing commitments — verbal offers in partner recruiting are notoriously subject to revision
- Run a technical audit of Attentive’s migration tooling before committing client accounts — specifically test the Klaviyo flow import fidelity on a low-risk client first
- Benchmark Attentive’s deliverability data against your current Klaviyo benchmarks on comparable list segments before any client-facing recommendation
- Get any performance bonus structure in writing with defined measurement criteria — “10 accounts in 12 months” is vague without defining account size and activation thresholds
The underlying story here is one that repeats across every maturing martech category: the incumbent gets distracted by enterprise ambitions, and a well-funded challenger with sharper agency incentives starts chipping at the base. Whether Attentive’s alleged campaign converts into meaningful partner defection — or whether Klaviyo moves quickly enough to shore up its mid-market agency relationships — will likely become one of the defining retention marketing stories of H2 2026.
Ecommerce Times will continue tracking this story as additional sources come forward. Reach out confidentially if you have direct knowledge of partner program terms.
