Vastrm

Vastrm is a custom-tailored menswear e-commerce company selling made-to-fit polo shirts with 24 different fits and sizes plus additional free adjustments, an online design-your-own configurator, corporate solutions for businesses, and a retail partners program. Vastrm is a Y Combinator and a16z-backed company tracked in the API Evangelist network; it operates a consumer storefront at vastrm.com and publishes no public developer or API surface.

Vastrm is profiled on the APIs.io network. Tagged areas include Company, Apparel, Fashion, eCommerce, and Retail.

Vastrm’s developer surface includes support and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub

14.5/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyApparelFashioneCommerceRetailCustom ClothingMenswear

Kin Score

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

Composite quality — 14.5/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.9 / 20

Commercial Clarity 6.8 / 20

Operational Transparency 0.0 / 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/vastrm: 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

Login

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

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

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: vastrm
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/vastrm.png
name: Vastrm
description: Vastrm is a custom-tailored menswear e-commerce company selling made-to-fit polo shirts with 24 different fits
  and sizes plus additional free adjustments, an online design-your-own configurator, corporate solutions for businesses,
  and a retail partners program. Vastrm is a Y Combinator and a16z-backed company tracked in the API Evangelist network; it
  operates a consumer storefront at vastrm.com and publishes no public developer or API surface.
url: https://raw.githubusercontent.com/api-evangelist/vastrm/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
- y-combinator
x-tier: stub
x-tier-reason: portfolio-lead
x-enrichment:
  date: '2026-07-21'
  status: minimal
  artifacts_added: 2
  pass: local-v1
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Apparel
- Fashion
- eCommerce
- Retail
- Custom Clothing
- Menswear
apis: []
common:
- type: DomainSecurity
  url: security/vastrm-domain-security.yml
- type: Website
  url: https://vastrm.com
- type: Support
  url: https://vastrm.com/company/contact-us
- type: PrivacyPolicy
  url: https://vastrm.com/company/privacy-terms
- type: TermsOfService
  url: https://vastrm.com/company/privacy-terms
- type: Login
  url: https://vastrm.com/customer/account/login
- type: LLMsTxt
  url: llms/vastrm-llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io