Kidizen
Kidizen was a Minneapolis-based peer-to-peer mobile marketplace where U.S. parents bought, sold, and traded secondhand children's clothing and maternity wear via a community-driven platform, monetizing through seller commissions until its abrupt October 2024 shutdown.
- Company typePrivate
- Founded2014
- HeadquartersMinneapolis, United States
- Headcount1–10
- GTM typeB2C
- OfferingDigital Commerce or Content
What Kidizen does
Kidizen was a Minneapolis-based peer-to-peer online marketplace that enabled parents to buy, sell, and trade children's clothing, shoes, accessories, and maternity wear. Founded in 2010 and incorporated as Kidizen, Inc. in Minnesota, the company operated a mobile-first platform distributed via iOS and Android apps to a U.S.-only user base, with a primary customer segment of parents and families seeking affordable brand-name children's apparel and sustainable resale options. By 2016 the platform had grown to over 250,000 registered users and was reportedly generating 100% year-over-year user growth, with distribution driven organically through parent networks and word-of-mouth within the children's apparel resale niche.
The business model relied on marketplace commissions charged to sellers on transactions intermediated through the platform. Kidizen monetized the spread between buyers and sellers on secondhand children's apparel, competing with adjacent platforms such as ThredUp, Poshmark, Depop, and Vinted. The company faced structural pressure on its fee model as competitors moved toward zero seller fees (Vinted) or eliminated selling commissions (Depop), while its vertical specialization in kids' wear and maternity was both a differentiator and a TAM constraint. The platform was single-product and community-driven, with no documented proprietary technology beyond standard marketplace functionality and no disclosed AI/ML capabilities.
Kidizen raised approximately $4.7 million in aggregate funding across multiple rounds between 2010 and 2017, with the most significant being a $3.2 million Series A led by Origin Ventures in March 2017 and a December 2017 extension from Revolution's Rise of the Rest Seed Fund. The company was co-founded by Dori Graff (CEO) and Mary Fallon (CCO) and operated with a lean team of 1-10 employees throughout its history. Despite early traction, Kidizen ceased operations abruptly in late October 2024, with the kidizen.com domain subsequently parked at GoDaddy.
Kidizen firmographics
Firmographics- Name
- Kidizen
- Legal name
- Kidizen, Inc.
- Website
- https://kidizen.com
- Company type
- Private
- Founded year
- 2014
- Operating status
- Closed
- Headcount range
- 1–10 employees
- Short description
- Kidizen was a Minneapolis-based peer-to-peer mobile marketplace where U.S. parents bought, sold, and traded secondhand children's clothing and maternity wear via a community-driven platform, monetizing through seller commissions until its abrupt October 2024 shutdown.
- Ownership category
- akta.pro rank
Kidizen industry classification
Industry- Product category
- Children's Apparel Resale Marketplace
- SIC
- Retail-Family Clothing Stores (5651)
- akta.pro primary industry
- Kids Apparel (5–12) (CRAAAHAC)
- akta.pro secondary industry
- Kids & Maternity Secondhand (Clothing, Gear, Toys) (CRAFAGAG)
Keywords
Where Kidizen is headquartered
LocationHeadquarters
- HQ city
- Minneapolis
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Kidizen business model
Business model- GTM type
- B2C
- Offering type
- Digital Commerce or Content
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Operations
Revenue model
- Marketplace Commission: Platform charged seller fees on transactions for children's apparel and maternity wear sold through the marketplace. Fee structures competed with other platforms like Vinted (zero seller fees) and Depop (eliminated 10% selling fee).
Distribution channels1 record
Kidizen product offering
Product offeringCore offering
Kidizen operated a mobile-first online peer-to-peer marketplace that enabled parents to buy, sell, and trade children's clothing, shoes, accessories, and maternity wear. The platform offered brand-name items at discounted prices and was oriented around a community-driven, sustainable shopping experience for U.S. families. Kidizen ceased operations in late October/November 2024.
Product overview
Kidizen was a single-product online marketplace platform focused exclusively on children's apparel and maternity wear, connecting parents to buy, sell, and trade second-hand clothing items. The platform operated as a community-driven marketplace for savvy and sustainable shopping, allowing users to find brand-name items at discounted prices.
Differentiator
Problem solved
Functional benefit
Products and services
- Kidizen Marketplace Online and mobile peer-to-peer marketplace enabling parents and families to buy, sell, and trade used and new kids' clothing, shoes, accessories, and maternity wear at discounted prices.
Companies that use Kidizen
Customer profileSegments2 records
Ideal customer profiles1 record
Kidizen technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Kidizen partnerships and signals
Strategic signalScale indicators4 records
Recent moves5 records
Expansion highlights2 records
Kidizen competitors and assessment
Company assessmentBroad incumbents
- thredUP: Large-scale online resale platform for women's and kids' apparel. Directly comparable because thredUP operated in the same secondhand apparel marketplace category as Kidizen and was explicitly named alongside it as a key competitor.
- Poshmark: Peer-to-peer marketplace for secondhand fashion. Comparable because Poshmark competed for the same seller audience (parents selling outgrown clothing) using a similar commission-based marketplace model.
- Mercari: General-consumer P2P marketplace in the U.S. with significant secondhand apparel volume. Comparable because Mercari competed for the same casual sellers offloading outgrown kids' clothing on a commission-based marketplace.
- Vestiaire Collective: Global P2P marketplace for pre-owned premium and luxury fashion. Comparable because Vestiaire was named alongside Kidizen as a key secondhand fashion platform player, operating the same marketplace-commission model.
- The RealReal: Online marketplace for authenticated consigned luxury and designer secondhand goods. Comparable as a P2P/consignment resale marketplace competing for the same brand-conscious secondhand shopping demand that drew parents to Kidizen.
Direct peers
- Depop: Mobile-first P2P fashion resale marketplace. Comparable because Depop targeted the same peer-to-peer secondhand model and directly pressured Kidizen's take rate by eliminating its 10% seller fee.
- Vinted: P2P marketplace for secondhand clothing with zero seller fees. Comparable because Vinted directly attacked Kidizen's commission model and competed for the same parents buying and selling kids' clothing.
- Once Upon A Child: National franchise chain specializing in buying and selling used children's clothing, shoes, and gear. Comparable because Once Upon A Child serves the same core use case — affordable resale of outgrown kids' apparel — through a different (physical retail) channel.
- Kid to Kid: Franchise resale chain focused exclusively on gently used children's and maternity clothing. Comparable because Kid to Kid addresses the same niche buyer (parents of growing children) with a directly competing resale proposition.
Emerging players
- Grailed: P2P marketplace focused on menswear but operating the same community-driven resale model. Comparable as a vertical P2P resale marketplace with a community ethos similar to Kidizen's parent-focused positioning.
Market position
Weaknesses5 records
Competitive moat3 records
Key risks6 records
Key highlights6 records
Customer concentration
Kidizen social profiles
Digital presenceKidizen financial estimates
Financial estimateRevenue estimate
Valuation estimate
Kidizen leadership team
Management profileNumber of profiles
Kidizen funding detail
Funding detailFunding overview
Funding rounds10 records
Investors11 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Kidizen M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Kidizen
What does Kidizen do?
Kidizen operated a mobile-first online peer-to-peer marketplace that enabled parents to buy, sell, and trade children's clothing, shoes, accessories, and maternity wear. The platform offered brand-name items at discounted prices and was oriented around a community-driven, sustainable shopping experience for U.S. families. Kidizen ceased operations in late October/November 2024.
Is Kidizen a public or private company?
Kidizen is a private company. It is classified as venture growth investor backed and is currently closed.
When was Kidizen founded?
Kidizen was founded in 2014. It employs 1 to 10 people.
Where is Kidizen based?
Kidizen is headquartered in Minneapolis, United States, in the North America region.
How does Kidizen make money?
One revenue line is on record: marketplace Commission.
Who are Kidizen's main competitors?
Broad incumbents on record are thredUP, Poshmark, Mercari, Vestiaire Collective and The RealReal. Direct peers are Depop, Vinted, Once Upon A Child and Kid to Kid. Grailed is listed as an emerging player.
Does Kidizen have an API?
No public API is recorded for Kidizen.
What industry is Kidizen in?
Kidizen's product category is Children's Apparel Resale Marketplace. Its primary akta.pro industry code is CRAAAHAC, Kids Apparel (5–12), with a secondary code of CRAFAGAG, Kids & Maternity Secondhand (Clothing, Gear, Toys). Its SIC code is 5651.