Poshmark

Poshmark is a social commerce marketplace where people in the US, Canada, Australia and India buy and sell new and secondhand fashion, accessories, home goods, beauty products, and electronics. Sellers list items from their closets, share and cross-promote listings across the community, host live selling shows, and ship using prepaid labels while Poshmark handles payments and buyer protection. Founded 2011, IPO 2021, acquired by Naver in 2023. Poshmark runs a consumer web and mobile marketplace backed by internal APIs but does not publish a public developer API, SDK, or developer portal; this profile captures its public web, security, and identity surface for the API Evangelist network.

Poshmark is profiled on the APIs.io network. Tagged areas include Company, Marketplace, Resale, Fashion, and E-Commerce.

Poshmark’s developer surface includes engineering blog, support, signup flow, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

15.6/100 emerging ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyMarketplaceResaleFashionE-CommerceSocial CommerceSecondhandRetail

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 15.6/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 1.3 / 20

Commercial Clarity 6.8 / 20

Operational Transparency 0.7 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/poshmark: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Get Started 1

Portal, sign-up, and the first successful call

SignUp

SignUp

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: poshmark
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/poshmark.png
name: Poshmark
description: Poshmark is a social commerce marketplace where people in the US, Canada, Australia and India buy and sell new
  and secondhand fashion, accessories, home goods, beauty products, and electronics. Sellers list items from their closets,
  share and cross-promote listings across the community, host live selling shows, and ship using prepaid labels while Poshmark
  handles payments and buyer protection. Founded 2011, IPO 2021, acquired by Naver in 2023. Poshmark runs a consumer web and
  mobile marketplace backed by internal APIs but does not publish a public developer API, SDK, or developer portal; this profile
  captures its public web, security, and identity surface for the API Evangelist network.
url: https://raw.githubusercontent.com/api-evangelist/poshmark/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- ggv-capital
- kindred-ventures
- mayfield
- menlo-ventures
- uncork-capital
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Marketplace
- Resale
- Fashion
- E-Commerce
- Social Commerce
- Secondhand
- Retail
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://poshmark.com/
- type: Blog
  url: https://blog.poshmark.com/
- type: Support
  url: https://poshmark.com/faq
- type: TermsOfService
  url: https://poshmark.com/terms
- type: PrivacyPolicy
  url: https://poshmark.com/privacy
- type: SignUp
  url: https://poshmark.com/signup
- type: GitHubOrganization
  url: https://github.com/poshmark
- type: DomainSecurity
  url: security/poshmark-domain-security.yml
x-enrichment:
  date: '2026-07-20'
  status: minimal
  artifacts_added: 1
  pass: local-v1