Whatnot

Whatnot is a live-stream commerce marketplace focused on collectibles and resale categories. Whatnot offers limited public APIs for sellers/streamers and approved partners; integration is largely managed through the Whatnot Seller App and partner program rather than a self-serve developer portal.

Whatnot publishes 1 API on the APIs.io network. Tagged areas include Marketplace, Live Commerce, Collectibles, and Resale.

🌐 Visit website 📡 Source on GitHub

14.2/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

AccessApproval

1 APIs

MarketplaceLive CommerceCollectiblesResale

Kin Score

Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1

Composite quality — 14.2/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 20

Commercial Clarity 5.8 / 20

Operational Transparency 3.4 / 13

Governance 0.0 / 12

Discoverability 5.0 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

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 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

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/whatnot: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Whatnot Seller / Partner API

Limited partner-facing endpoints for inventory and order integration with Whatnot. Not a publicly documented developer API; access is contingent on Whatnot Seller approval and p...

Pricing Plans 1

Published pricing tiers and plan structures.

Whatnot Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Whatnot Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

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

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 2

The organization behind the API

LinkedIn

Website

Website

Other 1

Properties that don't map to a standard resource type

Developer

Developer

Source (apis.yml)

aid: whatnot
url: https://raw.githubusercontent.com/api-evangelist/whatnot/refs/heads/main/apis.yml
name: Whatnot
kind: company
description: Whatnot is a live-stream commerce marketplace focused on collectibles and resale categories. Whatnot offers limited
  public APIs for sellers/streamers and approved partners; integration is largely managed through the Whatnot Seller App and
  partner program rather than a self-serve developer portal.
accessModel:
  pricing: unknown
  onboarding: approval
  trial: false
  try_now: false
  public: false
  label: Requires approval
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/whatnot.png
tags:
- Marketplace
- Live Commerce
- Collectibles
- Resale
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
- aid: whatnot:seller-api
  name: Whatnot Seller / Partner API
  description: Limited partner-facing endpoints for inventory and order integration with Whatnot. Not a publicly documented
    developer API; access is contingent on Whatnot Seller approval and partnership.
  humanURL: https://www.whatnot.com/sellers
  tags:
  - REST
  - Seller
  - Partner
  properties:
  - type: Sellers Page
    url: https://www.whatnot.com/sellers
  - type: Help
    url: https://help.whatnot.com/
common:
- type: DomainSecurity
  url: security/whatnot-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/Whatnot-Inc
- type: LinkedIn
  url: https://www.linkedin.com/company/whatnot-inc
- type: Website
  url: https://www.whatnot.com/
- type: Developer
  url: https://www.whatnot.com/sellers
- type: Plans
  url: plans/whatnot-plans-pricing.yml
- type: RateLimits
  url: rate-limits/whatnot-rate-limits.yml
- type: FinOps
  url: finops/whatnot-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com