runsonwhat

OfferUp's tech stack

What does OfferUp use?

OfferUp (offerup.com) uses at least 54 tools we can see from public records, including Google Workspace for email and documents, HubSpot for sales, Zendesk for customer support and Google Analytics for analytics. Last checked .

Industry
Internet
Size
201–1,000 employees
Based in
Bellevue, United States
Founded
2011
LinkedIn
Company page
Re-check liveVisit offerup.com
Tools found
54
Categories
20
Oldest proven tool
Jan 2021
Last checked
Oct 2026

OfferUp's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

2 tools, where the bytes are served from

CDN & Edge

Application

8 tools, what the product is built with

Frontend

Backend & Database

AI

Payments & Billing

Media & UI

Data & Observability

6 tools, what they measure and store

Monitoring

Analytics

Flags & Experiments

Go-to-market

23 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

15 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

Finance & Legal

Security & Compliance

What changed at OfferUp

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Branch
  2. HubSpot CMS

Companies like OfferUp also use

Tools common among companies with a similar stack that we haven't found at OfferUp.

Companies with a stack like OfferUp's

Ranked by shared tools, with rare tools counting more.

More Internet companies

Other Internet companies we've checked.

OfferUp tech stack FAQ

What tools does OfferUp use?

We've found 54 tools at OfferUp (offerup.com). Edge & Hosting: Cloudflare and Amazon CloudFront. Application: React, Google Maps and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Google Workspace, reCAPTCHA and Apple Business. Last checked October 3, 2026.

What CRM does OfferUp use?

OfferUp uses HubSpot and Salesforce for sales and CRM. We found HubSpot through DNS verification records and website code.

What email provider does OfferUp use?

OfferUp uses Google Workspace and Apple Business for email and documents. We found Google Workspace through email records.

What does OfferUp use for customer support?

OfferUp uses Zendesk for customer support. We found Zendesk through email records.

What payment provider does OfferUp use?

OfferUp uses Stripe for payments. We found Stripe through DNS verification records and website code.

What analytics tools does OfferUp use?

OfferUp uses Google Analytics, Google Tag Manager and Microsoft Clarity for analytics, among 4 tools in this category. We found Google Analytics through website code.

Does OfferUp use Cloudflare?

Yes. We found Cloudflare at OfferUp through DNS records, email records and website code. Cloudflare is used by 314,520 companies we track.

How does runsonwhat know what OfferUp uses?

We read public traces only: OfferUp's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.