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flexEngage

AcquiredYC W16

Orlando, 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.

Enterprise SoftwareAnalyticsRetailUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (W16)

TDTomas Diaz
Tomas DiazCo-founder · Board MemberTomas Diaz began his career in financial analysis before moving into sales at Whirlpool, where he sold to major retail chains and identified a market opportunity for interactive electronic receipts. He holds an undergraduate degree in International Business and an MBA with a concentration in Marketing & Finance from Rollins College, and is founder and CEO of flexEngage.
JPJay Patel
Jay PatelFounderJay Patel is Founder and CEO of flexEngage, a retail software platform that personalizes post-purchase communications to drive repeat customer purchases. He holds a background in computer science.

Investors · 11

Company profile

researched Aug 2026

flexEngage 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 reported
Annual recurring revenueJan 2016$2.4M
Cash on handJan 2016$2M
Monthly burnJan 2016$85K
Stores deployedJan 201611,000 stores
Team sizeJan 201625 employees
Transactions in consumer databaseJan 2016300,000,000 transactions
Unique consumer profilesJan 201647,000,000 profiles

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

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Companies working in the same space as flexEngage.

Timeline · 6

launches, deals, and filings
Feb 2023
Klarna acquires flexEngage

Klarna acquired flexEngage Inc., described as a POS and marketing automation SaaS provider.

source ↗

Jan 2022
Wakefern Food Corp. partners with flexEngage

Wakefern Food Corp. announced a partnership with flexEngage, one of several partnerships announced by Wakefern that day.

source ↗

Sep 2021
Hy-Vee partners with flexEngage for receipt marketing across 275 stores

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.

source ↗

Jul 2021
flexEngage announces integration and partnership with STORIS

flexEngage announced a new integration with STORIS: The Unified Commerce Solution, enabling STORIS retailers to create dynamic post-transactional messaging.

source ↗

Mar 2021
Movable Ink partners with flexEngage

Movable, Inc. announced a partnership with flexEngage.

source ↗

Dec 2019
flexEngage closes $6M Series A

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.