flexEngage
AcquiredYC W16Orlando, US · 25 employees · 11 known investors
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flexEngage provides retail software that personalizes post-purchase communications like receipts to drive repeat customer purchases. The platform turns static transactional messages into targeted marketing channels for physical retailers.
Also known as flexReceipts · flexEngage Inc.
Founders & leadership· Y Combinator alumni (W16)


Investors · 11
How we know: Bullpen Capital's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Florida Funders's portfolio page · Not right? Tell us
How we know: Florida Technology Seed Capital Fund's portfolio page · Y Combinator's founder network · Not right? Tell us
How we know: the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
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How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
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Company profile
researched Aug 2026flexEngage provides software that converts retailers' transactional communications — receipts, order status notices and shipment tracking pages — into personalized, dynamic engagement channels. The product, associated with the flexReceipts brand, targets physical-store retailers that want to use post-purchase messages as a marketing medium rather than as static confirmations, with the stated aim of increasing loyalty, repeat purchases and revenue from existing customers.
The company positions post-purchase communications as an underused channel relative to paid advertising, arguing that large online retailers use proprietary data and software that most traditional retailers cannot build themselves. Alongside the messaging platform, flexEngage accumulated a consumer shopping-behavior dataset, reported during its Y Combinator batch at 300 million transactions and 47 million unique consumer profiles, which the company said could serve retail measurement use cases.
Operationally, flexEngage integrates with retail point-of-sale and commerce systems, including an announced integration with STORIS, and partners with marketing technology providers such as Movable Ink. The company is headquartered in Orlando, Florida.
Business model
flexEngage sells subscription software to retailers, with recurring annual contracts reported to range from $25 to $500,000 per year and a majority structured as three-year agreements. Mid-size retail accounts such as Shoe Carnival and DXL were each described as roughly $100,000 in yearly recurring revenue. The platform also enables retailers to monetize marketing content placed within receipts and order notifications.
Recurring software subscription contracts with retailers, plus monetization of marketing content delivered in receipts and ecommerce order notifications. Annual recurring revenue was reported at $2.4 million during the Y Combinator Winter 2016 batch.
Traction
During its Y Combinator batch the company reported $2.4 million ARR, deployment across 11,000 stores nationwide, $2 million cash on hand and $85,000 monthly burn. Later traction included receipt marketing across all 275 Hy-Vee stores and partnerships with Wakefern Food Corp., STORIS and Movable Ink.
Latest developments
Media coverage dated February 2023 reported that Klarna acquired flexEngage Inc., characterized as a point-of-sale and marketing automation SaaS provider. Y Combinator lists the company's status as acquired. Preceding the acquisition, the company announced retailer partnerships with Hy-Vee (2021) and Wakefern Food Corp. (2022) and technology integrations with STORIS and Movable Ink (2021).
▸Full profile — market position, technology, go-to-market, geography, history
Market position
flexEngage is described as a provider of personalized smart receipts and receipt marketing technology for retailers, counting brands including Under Armour, Michael Kors, Oakley, GNC, DXL, Shoe Carnival and 5.11 Tactical among its customers. Comparable companies cited include Iterable, Klaviyo, Braze, Emarsys, Cordial and Salesforce Marketing Cloud.
flexEngage focuses specifically on the post-transaction message stream — receipts, order status and tracking pages — rather than general email or campaign marketing, and describes a data network effect built from an accumulated database of consumer shopping behavior spanning 300 million transactions and 47 million unique consumer profiles. It also markets the ability for retailers to monetize receipt and order-notification content.
Technology
A platform for dynamic, personalized post-transaction messaging that integrates with point-of-sale and unified commerce systems such as STORIS and with marketing technology providers such as Movable Ink. The company maintains a consumer shopping-behavior database built from transaction data. Reported tools and technologies include Java, Kotlin, Atlassian, iCIMS, Google Workspace, WordPress-related stack components (WP Engine, Elementor, Flywheel, Modernizr) and CloudFlareJS.
Go-to-market
flexEngage sells directly to enterprise and multi-store retail chains and extends reach through integrations and partnerships with commerce and marketing technology providers, including STORIS and Movable Ink, as well as retail groups such as Wakefern Food Corp. and Hy-Vee.
Multi-channel and physical-store retailers, including apparel, specialty and grocery chains such as Under Armour, Michael Kors, Oakley, GNC, DXL, Shoe Carnival, 5.11 Tactical, Hy-Vee and Wakefern member banners.
Geography
The company is based in Orlando, Florida, United States, with deployments reported across roughly 11,000 stores nationwide in the U.S., including all 275 Hy-Vee stores.
History
The company participated in Y Combinator's Winter 2016 batch, at which point it operated as flexReceipts with 25 team members in Orlando, Florida. It closed a $6 million Series A in December 2019, then announced a series of retail and technology partnerships in 2021 and 2022, including Movable Ink, STORIS, Hy-Vee and Wakefern Food Corp. It was subsequently acquired by Klarna, with coverage of the acquisition appearing in February 2023.
Compiled by commissioned research from 2 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Related companies · 9
Companies working in the same space as flexEngage.
Timeline · 6
launches, deals, and filingsKlarna acquired flexEngage Inc., described as a POS and marketing automation SaaS provider.
Wakefern Food Corp. announced a partnership with flexEngage, one of several partnerships announced by Wakefern that day.
Hy-Vee Inc. teamed up with flexEngage to power receipt marketing technology across all 275 of its stores, aiming to personalize, monetize and manage marketing content on in-store receipts and ecommerce order notifications.
flexEngage announced a new integration with STORIS: The Unified Commerce Solution, enabling STORIS retailers to create dynamic post-transactional messaging.
flexEngage, a POS marketing services solution enabling retailers to personalize offers and communications after a transaction, closed a $6 million Series A round.
$6M source ↗
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 2
primary sources listed
2 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does flexEngage do?
- Retail software that turns receipts and order notifications into personalized post-purchase marketing channels.
- Who founded flexEngage?
- flexEngage was founded by Tomas Diaz, Jay Patel.
- Who are flexEngage's investors?
- flexEngage's investors include Bullpen Capital, Florida Funders, Florida Technology Seed Capital Fund, PJC, Struck Capital, Y Combinator, AltaIR Capital, bloom venture partners and 3 more.
- Where is flexEngage headquartered?
- flexEngage is headquartered in Orlando, US.














