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, E-Commerce, and Retail.

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

🌐 Visit website 📡 Source on GitHub

12.2/100 emerging ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-08-21 · rubric v0.12.0

0 APIs

Company Apparel Fashion E-Commerce RetailCustom ClothingMenswear

Kin Score

Kin Score How this is scored →
scored 2026-08-21 · rubric v0.12.0

Composite quality — 12.2/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 1.0 / 20

Access Clarity 5.5 / 20

Operational Transparency 0.0 / 13

Contract Governance 0.0 / 12

Discoverability 5.7 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

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

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/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: '0.23'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Apparel
- Fashion
- E-Commerce
- Retail
- Custom Clothing
- Menswear
tags_raw:
- 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

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