Blue Nile website screenshot

Blue Nile

Blue Nile is an online retailer of diamonds and fine jewelry, founded in 1999 and headquartered in Seattle, Washington. It pioneered the direct-to-consumer model for engagement rings and loose diamonds, letting shoppers search and compare certified diamonds by cut, color, clarity, and carat and build custom rings, wedding bands, and gifts online. The company is now part of Signet Jewelers. Blue Nile is included in the API Evangelist network as a consumer / e-commerce company profile; it was originally surfaced as a portfolio company of Bessemer Venture Partners, Lightspeed Venture Partners, and Trinity Ventures. No public developer API, OpenAPI specification, or SDK surface was found during enrichment.

Blue Nile is profiled on the APIs.io network. Tagged areas include Company, Consumer, E-Commerce, Retail, and Jewelry.

Blue Nile’s developer surface includes engineering blog, support, and 4 more developer resources.

12.3/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyConsumerE-CommerceRetailJewelryDiamondsDirect-to-Consumer

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 12.3/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 1.3 / 20
Commercial Clarity 4.2 / 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/blue-nile: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

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

Blue Nile Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: blue-nile
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/blue-nile.png
name: Blue Nile
description: Blue Nile is an online retailer of diamonds and fine jewelry, founded in 1999 and headquartered in Seattle, Washington.
  It pioneered the direct-to-consumer model for engagement rings and loose diamonds, letting shoppers search and compare certified
  diamonds by cut, color, clarity, and carat and build custom rings, wedding bands, and gifts online. The company is now part
  of Signet Jewelers. Blue Nile is included in the API Evangelist network as a consumer / e-commerce company profile; it was
  originally surfaced as a portfolio company of Bessemer Venture Partners, Lightspeed Venture Partners, and Trinity Ventures.
  No public developer API, OpenAPI specification, or SDK surface was found during enrichment.
url: https://raw.githubusercontent.com/api-evangelist/blue-nile/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- bessemer-venture-partners
- lightspeed-venture-partners
- trinity-ventures
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Consumer
- E-Commerce
- Retail
- Jewelry
- Diamonds
- Direct-to-Consumer
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/blue-nile-domain-security.yml
- type: Website
  url: https://www.bluenile.com/
- type: Blog
  url: https://www.bluenile.com/blog
- type: Support
  url: https://www.bluenile.com/contact-us
- type: PrivacyPolicy
  url: https://www.bluenile.com/policies/privacy
- type: TermsOfService
  url: https://www.bluenile.com/policies/terms-and-conditions
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence