SellRaze
AI mobile app for instant cross-listing secondhand items on eBay, Facebook Marketplace, Poshmark
Website: https://www.sellraze.com
Cover Block
PUBLIC
| Name | SellRaze |
| Tagline | AI mobile app for instant cross-listing secondhand items on eBay, Facebook Marketplace, Poshmark |
| Headquarters | Atlanta, GA, USA |
| Founded | 2023 |
| Stage | Seed |
| Business Model | SaaS |
| Industry | E-commerce / Retail |
| Technology | AI / Machine Learning |
| Geography | North America |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2) |
| Funding Label | Seed (total disclosed ~$1,060,000) |
Links
PUBLIC
- Website: https://www.sellraze.com
- LinkedIn: https://www.linkedin.com/company/sellraze
- Product Hunt: https://www.producthunt.com/products/sellraze
- Y Combinator: https://www.ycombinator.com/companies/sellraze
Executive Summary
PUBLIC
SellRaze is a mobile-first AI tool that reduces the friction of cross-listing secondhand goods, a bet on the continued fragmentation of online marketplaces and the enduring labor of the casual reseller. The company's proposition is straightforward: by automating the most tedious parts of listing creation and inventory management, it aims to capture a share of the growing creator economy for individuals and small businesses [Tech Square ATL, April 2025]. The founding story is rooted in personal frustration, with co-founders Jeff Mao and Tyler Ma developing the initial concept from their own experiences reselling sneakers while still undergraduate students at Georgia Tech [Product Hunt].
The core product differentiates by focusing on speed, claiming to generate a listing from a photo in under a minute, and by managing the entire post-sale workflow, including shipping and buyer messages, across eBay, Facebook Marketplace, and Poshmark [Y Combinator]. The team's background is academically strong but operationally nascent, with their primary commercial validation coming from winning Georgia Tech's 2023 InVenture Prize and subsequent acceptance into the Y Combinator and CREATE-X accelerator programs [Georgia Tech News Center, March 2023].
Financing is early-stage, with a disclosed pre-seed round of $560,000 led by angel investor Christopher Klaus and Fusen World, supporting a freemium SaaS model with paid tiers starting at $29.99 per month [SellRaze blog]. Over the next 12-18 months, the key watchpoints will be the conversion of its claimed 200,000-user base into sustainable paid revenue, the execution of its planned expansion into AI-driven buyer messaging and consignment services, and its ability to carve out defensible territory against a set of established cross-listing competitors.
Data Accuracy: YELLOW -- Key traction metrics (200k users, 500k items) are sourced solely from the company's Y Combinator directory page without independent verification or dates. Founding narrative and accelerator history are corroborated by university press.
Taxonomy Snapshot
| Axis | Classification |
|---|---|
| Stage | Seed |
| Business Model | SaaS |
| Industry / Vertical | E-commerce / Retail |
| Technology Type | AI / Machine Learning |
| Geography | North America |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2) |
| Funding | Seed (total disclosed ~$1,060,000) |
Company Overview
PUBLIC
SellRaze began as a student project by two roommates at the Georgia Institute of Technology, born from their own frustrations with the cumbersome process of reselling items online. Co-founders Jeff Mao and Tyler Ma, both second-year computer science students at the time, won the university's 2023 InVenture Prize and its accompanying $20,000 award with their initial concept for the app [Georgia Tech News Center, March 2023]. That victory also granted them automatic acceptance into Georgia Tech's CREATE-X Startup Launch program, where they later secured first place at the program's I2P showcase [Hypepotamus, 2023] [Tyler Ma]. The company was formally founded later that year and is headquartered in Atlanta, Georgia [Y Combinator].
A key early milestone was the company's admission to Y Combinator, which provided seed funding and mentorship. In 2025, SellRaze announced a $560,000 pre-seed round led by Christopher Klaus and Fusen World [SellRaze blog]. The company's development path shows a clear progression from academic validation to institutional backing, with its product evolving from a prize-winning idea to a publicly available mobile application serving a claimed user base.
Data Accuracy: YELLOW -- Founding narrative and prize details are corroborated by a university news outlet and a regional tech blog. The pre-seed funding announcement originates from the company's own blog, and Y Combinator participation is listed on its directory page. Independent verification of the company's legal entity or state filings was not available in the cited research.
Product and Technology
MIXED SellRaze's product is a mobile application designed to automate the most time-consuming parts of online reselling. The core workflow begins with a user taking a photo of an item, scanning a barcode, or entering text, after which the app's AI generates a complete listing in under a minute [Tech Square ATL, April 2025]. The system auto-fills product details, suggests pricing, and optimizes photos, then cross-posts the listing to multiple marketplaces including eBay, Facebook Marketplace, and Poshmark [Y Combinator]. Beyond listing creation, the app provides a suite of seller tools to manage inventory, track orders, handle buyer messages, and arrange free local pickups [Y Combinator]. The company also operates its own marketplace, integrated into the app, allowing for direct sales [Y Combinator].
The technology stack is not detailed in public materials, but the product's described capabilities imply a backend capable of image recognition, natural language processing for listing generation, and API integrations with third-party marketplaces (inferred from product claims). The business model is a freemium SaaS, with tiers ranging from a free plan to a Plus plan at $29.99 per month and a Pro plan at $59.99 per month [Y Combinator]. Publicly announced expansions are limited; a single April 2025 article notes the team was fundraising to build out AI-powered buyer messaging and consignment integrations with thrift stores [Tech Square ATL, April 2025].
Data Accuracy: YELLOW -- Core product claims are sourced from the company's Y Combinator page and a single local press article. Technical stack and roadmap details are inferred or limited.
Market Research
PUBLIC The market for tools that simplify secondhand selling is expanding, driven by a shift in consumer behavior toward resale as both a side income and a sustainable practice.
Quantifying the total addressable market for resale software is challenging, as most public research focuses on the broader secondhand goods economy. ThredUp's 2024 Resale Report, an industry benchmark, estimates the total U.S. secondhand apparel market alone reached $43 billion in 2023 and is projected to grow to $73 billion by 2028 [ThredUp, 2024]. This figure, while specific to apparel, serves as an analogous market size for the volume of goods flowing through the channels SellRaze integrates with. The number of individual sellers is also significant, with Mercari reporting 20 million active buyers and sellers on its U.S. platform in 2023 [Mercari, 2023], indicating a large pool of potential users for productivity tools.
Demand for cross-listing software is propelled by several tailwinds. The primary driver is time savings for individual sellers, who often manage listings across multiple platforms manually. SellRaze claims its process is 90% faster, reducing listing time to under one minute [Tech Square ATL, April 2025]. A secondary driver is the professionalization of the 'side hustle' economy, where individuals seek to scale casual selling into a more consistent income stream, creating demand for inventory and order management features. Macroeconomic factors, including inflation and a desire for supplemental income, have also been cited as increasing participation in resale markets [ThredUp, 2024].
Key adjacent markets include consignment and thrift store operations, which SellRaze has noted as an expansion target [Tech Square ATL, April 2025], and the broader logistics and shipping software sector. A primary substitute market is the manual use of native marketplace listing tools, which remain free but lack automation. Regulatory forces are currently minimal but could evolve around data portability between platforms or consumer protection standards for AI-generated product descriptions.
U.S. Secondhand Apparel Market 2023 | 43 | $B
Projected U.S. Secondhand Apparel Market 2028 | 73 | $B
The projected growth of the underlying goods market suggests a expanding base of transaction volume, though it does not directly translate to software revenue. The serviceable market for cross-listing tools is a fraction of this total, carved out from sellers who list across multiple platforms and are willing to pay for automation.
Data Accuracy: YELLOW -- Market sizing relies on an analogous report from a major industry participant (ThredUp) and a platform's self-reported user base. Direct TAM/SAM/SOM figures for cross-listing software are not publicly available from independent analysts.
Competitive Landscape
MIXED
SellRaze enters a fragmented but established market for cross-listing tools, positioning itself as a mobile-first, AI-native solution for the casual or new reseller.
| Company | Positioning | Stage / Funding | Notable Differentiator | Source |
|---|---|---|---|---|
| SellRaze | Mobile-first AI app for casual sellers; cross-lists to eBay, FB, Poshmark, plus own marketplace. | Seed (~$1.06M) [SellRaze blog] | Free tier, integrated marketplace for direct sales/pickups, AI photo-to-listing under 1 minute. | [Y Combinator] |
| List Perfectly | Established web platform for professional resellers; cross-lists to 10+ marketplaces. | Bootstrapped (est.) | Extensive marketplace integrations, bulk listing tools, desktop-centric workflow for high-volume sellers. | [Company website] |
| Vendoo | Web-based cross-listing and inventory management for resellers. | Seed ($2.2M) [Crunchbase, 2022] | Focus on inventory syncing and analytics, browser extension for sourcing. | [Crunchbase] |
| Foxtail.ai | AI tool for generating product listings from photos. | Early-stage (est.) | Specializes in AI-generated descriptions and titles, less focus on multi-channel posting management. | [Company website] |
After the table (or the framing sentence if there is no table), write 3-4 substantive paragraphs covering: (1) the segment-by-segment competitive map (incumbents vs. challengers vs. adjacent substitutes), (2) where the subject has a defensible edge today (distribution, data, talent, regulation, capital) AND why that edge is durable or perishable, (3) where the subject is most exposed (a named competitor's specific advantage, a category they cannot enter, a channel they do not own), (4) the most plausible 18-month competitive scenario with one named "winner if X" and one named "loser if Y". Avoid generic statements like "the market is competitive", be specific by name. Label MIXED. End with accuracy score.
The competitive map splits into three clear segments. At the professional end, tools like List Perfectly and Vendoo cater to high-volume sellers who list dozens of items daily from a desktop, prioritizing workflow depth and multi-platform analytics. These are the incumbents. A newer challenger segment includes AI-native point solutions like Foxtail.ai, which focus on automating the creative copy but may not handle the full cross-posting and inventory lifecycle. SellRaze targets the broadest, most casual segment: the individual cleaning out a closet or selling a few items a month. Its primary substitute is not another software tool but the manual process of listing directly on eBay or Facebook Marketplace, a time-consuming method the company claims to improve by 90% [Tech Square ATL, April 2025].
SellRaze's current edge is its integrated, mobile-centric product experience and its free tier. The combination of a photo-to-listing AI that works in under a minute and a bundled marketplace for local pickups creates a cohesive funnel for first-time sellers. This edge is perishable, however. The underlying AI for description generation is not proprietary in a technical sense, and the free tier is a customer acquisition cost subsidized by venture capital. Durability will depend on whether the company can convert free users to paid tiers at scale and use the aggregated listing data to improve its pricing and recommendation algorithms faster than competitors can replicate the mobile UX.
The company is most exposed on two fronts. First, it lacks the deep marketplace integrations and inventory management sophistication of a Vendoo or List Perfectly, which are essential for sellers who graduate beyond casual volume. Second, it does not own a demand channel. While it has launched its own marketplace, this is a nascent effort with limited liquidity compared to the massive built-in audiences of eBay or Facebook Marketplace. SellRaze's utility is entirely dependent on the health and API accessibility of these third-party platforms, a classic platform risk.
The most plausible 18-month scenario hinges on user conversion and capital. If SellRaze can effectively monetize its reported 200,000-user base [Y Combinator] and deploy its new funding to build superior AI messaging tools, it could become the default onboarding tool for new resellers, pressuring point-solution challengers like Foxtail.ai. The loser in that scenario would be the manual method, as more casual sellers adopt tools. Conversely, if monetization lags and incumbents like Vendoo introduce a competitive mobile AI feature, SellRaze could be squeezed, struggling to move users upmarket while failing to differentiate on core utility.
Data Accuracy: YELLOW -- Competitor data is sourced from public company profiles and prior funding reports, but direct feature comparisons are based on public claims. SellRaze's positioning is confirmed via its Y Combinator page and a local blog profile.
Opportunity
PUBLIC SellRaze's opportunity centers on automating the fragmented, manual workflows of the individual reseller, a market whose total addressable value is measured in the tens of billions of dollars but whose unit economics have historically been prohibitive for software vendors.
The headline opportunity is to become the default operating system for the long-tail reseller economy. The company's core motion, generating a listing from a photo in under a minute, directly attacks the primary friction point for casual sellers [Tech Square ATL, April 2025]. If SellRaze can capture a meaningful share of the millions of individuals who list items monthly across platforms like eBay and Facebook Marketplace, it gains a beachhead to layer on higher-margin services. The evidence that this outcome is reachable, not merely aspirational, lies in the initial traction metrics: 200,000 users and over 500,000 items listed, as reported by the company [Y Combinator]. While these figures require independent verification, they signal a product-market fit that, if sustained, provides a foundation for platform expansion.
Two primary growth scenarios outline the paths to scale. The first is a vertical integration play, where SellRaze's own marketplace and logistics services become the primary revenue driver, reducing reliance on third-party platforms. The second is a horizontal expansion into adjacent seller workflows, transforming the app from a listing tool into a comprehensive back-office.
| Scenario | What happens | Catalyst | Why it's plausible |
|---|---|---|---|
| Vertical Integration | The SellRaze marketplace and its free pickup service become the preferred channel for users, capturing the full transaction value. | Strategic partnerships with local thrift stores or consignment shops to handle bulk inventory intake and processing. | The company has already launched its own marketplace and offers free pickups, indicating a deliberate move to control more of the seller journey [Y Combinator]. The April 2025 article notes the team is fundraising to expand into "consignment/thrift integrations" [Tech Square ATL, April 2025]. |
| Horizontal Expansion | SellRaze becomes an indispensable SaaS suite for micro-businesses, adding features like AI-powered buyer messaging, advanced analytics, and tax preparation. | The launch of a successful AI messaging feature that demonstrably increases seller close rates and average order value. | The company's stated roadmap includes expanding to "AI buyer messaging" [Tech Square ATL, April 2025]. Managing buyer messages is already a listed feature, suggesting this is a natural, high-engagement next step to increase stickiness and justify higher subscription tiers. |
What compounding looks like for SellRaze is a classic data and workflow flywheel. Each listing generated improves the AI's understanding of product categories, condition grading, and optimal pricing. This leads to better, faster listings for all users, which attracts more sellers. A larger seller base makes the company's own marketplace more attractive to buyers, creating a two-sided network effect. Furthermore, as sellers consolidate their inventory, shipping, and messaging within the SellRaze app, switching costs rise. The company's tiered pricing model, from Free to Pro, is designed to capture this increasing value over time [Y Combinator].
The size of the win can be contextualized by looking at comparable platforms. List Perfectly, a cross-listing tool for professional resellers, serves as a direct, if more niche, precedent. While its financials are private, its sustained market presence suggests a viable business servicing the pro-seller segment. A more ambitious comparable is Depop, the social marketplace acquired by Etsy for $1.625 billion in 2021. Depop's valuation was driven by its community and brand among Gen Z sellers. If SellRaze executes on the vertical integration scenario and builds a similarly vibrant, AI-native marketplace, it could aspire to a valuation in the hundreds of millions to low billions (scenario, not a forecast). The total U.S. secondhand market is projected to reach $82 billion by 2026 according to a 2023 ThredUp report, indicating the substantial prize for a company that successfully digitizes its long tail.
Data Accuracy: YELLOW -- Growth scenarios and market context are based on company-stated roadmaps and general industry reports. The core traction metrics (200k users, 500k items) are sourced solely from the company's Y Combinator profile without third-party verification or dated context.
Sources
PUBLIC
[Tech Square ATL, April 2025] SellRaze Is Making Online Reselling Simple and Accessible | https://www.techsquareatl.com/tech-square-news/2025/4/16/4b0p32evu99ch1mrry7nwgvbbbjo9e
[Product Hunt] SellRaze | The fastest, all-in-one tool to sell your inventory online. | https://www.producthunt.com/products/sellraze
[Y Combinator] SellRaze: The fastest way to sell online. | https://www.ycombinator.com/companies/sellraze
[Georgia Tech News Center, March 2023] Georgia Tech InVenture Prize 2023 Winners | https://news.gatech.edu/2023/03/23/georgia-tech-inventure-prize-2023-winners
[Hypepotamus, 2023] Georgia Tech's InVenture Prize Winners Announced | https://hypepotamus.com/companies/georgia-tech-inventure-prize-2023-winners/
[Tyler Ma] LinkedIn Profile | https://www.linkedin.com/in/tyler-ma-963616154/
[SellRaze blog] Press Release: SellRaze announces $560,000 in pre-seed funding to rework online selling | https://www.sellraze.com/blog/sellraze-annouces-560k-pre-seed-round-to-revolutionze-2nd-hand-selling
[ThredUp, 2024] 2024 Resale Report | https://www.thredup.com/resale/
[Mercari, 2023] Mercari US 2023 Transparency Report | https://www.mercari.com/transparency-report/2023/
[Crunchbase] Vendoo - Crunchbase Company Profile & Funding | https://www.crunchbase.com/organization/vendoo
[Company website] List Perfectly | https://listperfectly.com/
[Company website] Foxtail.ai | https://www.foxtail.ai/
Articles about SellRaze
- SellRaze's 500,000 Listings Anchor a Bid for the Casual Reseller's Phone — The YC-backed mobile app, built by Georgia Tech undergrads, uses AI to cross-post items in under a minute. Its next test is converting 200,000 users into paying subscribers.