Custom Ink

Custom Ink is a direct-to-consumer custom apparel and promotional products company that lets groups design and order custom t-shirts, hoodies, hats, drinkware, bags, and other branded merchandise through an online Design Lab, instant price quotes, and full-service order fulfillment. As of the review date Custom Ink does not publish a public or partner developer API - there is no documented, self-serve programmatic surface for products, designs, quotes, or orders. An internal API host (api.customink.com) backs Custom Ink's own web and mobile storefront but is private and undocumented, secured behind AWS API Gateway and Cognito. Partnerships are handled as commercial/business relationships rather than technical developer integrations. This entry is a gated stub - the logical APIs below are honestly MODELED from Custom Ink's public product surface, not sourced from published API documentation, and no endpoints are fabricated as if real.

Custom Ink is profiled on the APIs.io network. Tagged areas include Custom Apparel, T-Shirts, Print on Demand, Promotional Products, and E-Commerce.

Custom Ink’s developer surface includes documentation, pricing, engineering blog, and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub

9.6/100 minimal ▬ flat Agent 0/100 human only saas Full breakdown ↓
scored 2026-09-14 · rubric v0.22.0

0 APIs

Custom ApparelT-ShirtsPrint on Demand Promotional Products E-Commerce Design No Public API

Kin Score

Kin Score How this is scored →
scored 2026-09-14 · rubric v0.22.0

Composite quality — 9.6/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 2.1 / 20

Access Clarity 2.1 / 20

Operational Transparency 0.3 / 13

Contract Governance 0.0 / 12

Discoverability 5.0 / 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/customink-api: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Customink Api Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Customink Api Vulnerability Disclosure

security.txt · contact published

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Commercial 1

Pricing, plans, and the legal terms of use

Pricing

Pricing

Company 4

The organization behind the API

Website

Website

LinkedIn

Partners

Partners

Blog

Blog

Source (apis.yml)

aid: customink-api
url: https://raw.githubusercontent.com/api-evangelist/customink-api/refs/heads/main/apis.yml
name: Custom Ink
kind: company
description: Custom Ink is a direct-to-consumer custom apparel and promotional products company that lets groups design and
  order custom t-shirts, hoodies, hats, drinkware, bags, and other branded merchandise through an online Design Lab, instant
  price quotes, and full-service order fulfillment. As of the review date Custom Ink does not publish a public or partner
  developer API - there is no documented, self-serve programmatic surface for products, designs, quotes, or orders. An internal
  API host (api.customink.com) backs Custom Ink's own web and mobile storefront but is private and undocumented, secured behind
  AWS API Gateway and Cognito. Partnerships are handled as commercial/business relationships rather than technical developer
  integrations. This entry is a gated stub - the logical APIs below are honestly MODELED from Custom Ink's public product
  surface, not sourced from published API documentation, and no endpoints are fabricated as if real.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
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/customink-api.png
tags:
- Custom Apparel
- T-Shirts
- Print on Demand
- Promotional Products
- E-Commerce
- Design
- No Public API
tags_raw:
- Custom Apparel
- T-Shirts
- Print on Demand
- Promotional Products
- eCommerce
- Design
- No Public API
created: '2026-07-11'
modified: '2026-07-25'
specificationVersion: '0.23'
apis: []
common:
- type: VulnerabilityDisclosure
  url: security/customink-api-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/customink-api-domain-security.yml
- type: Website
  url: https://www.customink.com/
- type: LinkedIn
  url: https://www.linkedin.com/company/customink
- type: GitHubOrganization
  url: https://github.com/customink
- type: Documentation
  url: https://www.customink.com/help_center
- type: Partners
  url: https://www.customink.com/about/partners
- type: Pricing
  url: https://www.customink.com/help_center/get-a-price-quote
- type: Blog
  url: https://technology.customink.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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