aid: spiber
name: Spiber
description: >-
  Spiber Inc. is a Japanese biotechnology and advanced-materials company founded in 2007 and
  headquartered in Tsuruoka, Yamagata Prefecture, Japan. Spiber develops Brewed Protein materials —
  structural proteins produced by precision fermentation of plant-derived sugars using engineered
  microbes, then spun into fibers, resins, and films as animal-free, petroleum-free alternatives to
  silk, wool, cashmere, leather, and synthetic polymers. The company operates fermentation plants in
  Japan, Thailand, and the United States and supplies apparel, outdoor, automotive, and consumer
  brands, alongside a research program in synthetic biology, polymer science, and life-cycle
  assessment. Spiber is a materials manufacturer rather than a software vendor and publishes no
  developer program, developer portal, SDKs, or product API; the only machine-readable HTTP surface
  it serves is the read-only WordPress REST content API behind its corporate website.
image: https://spiber.inc/en/opengraph-image.jpeg
url: https://raw.githubusercontent.com/api-evangelist/spiber/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.20'
created: '2026-08-28'
modified: '2026-08-29'
tags:
- Company
- Biotechnology
- Materials Science
- Synthetic Biology
- Manufacturing
- Sustainability
- Textiles
- Precision Fermentation
- Japan
- Content
apis:
- aid: spiber-content-api
  name: Spiber Content API (WordPress REST)
  description: >-
    The read-only WordPress REST API that backs spiber.inc. The service names itself "Spiber API"
    in its own discovery document and is referenced from spiber.inc/robots.txt as the origin of the
    site sitemap. It exposes the standard wp/v2 content namespace (posts, pages, media, taxonomies,
    types) plus a small custom/v1 namespace the site uses for menus and news listings. It is
    corporate-website infrastructure, not a published developer product: Spiber advertises no
    developer program, publishes no reference documentation for it, and marks every response
    x-robots-tag noindex. Anonymous GET access to the content routes is confirmed live; write,
    admin, migration, and jwt-auth routes are permission-gated.
  humanURL: https://spiber.inc/en
  baseURL: https://spiber.xsrv.jp/api/wp-json
  tags:
  - Content
  - CMS
  - WordPress
  properties:
  - type: Authentication
    url: authentication/spiber-authentication.yml
  - type: Conventions
    url: conventions/spiber-conventions.yml
  - type: ErrorCatalog
    url: errors/spiber-problem-types.yml
  - type: DataModel
    url: data-model/spiber-data-model.yml
  - type: RateLimits
    url: rate-limits/spiber-rate-limits.yml
  - type: MCPServer
    url: mcp/spiber-mcp.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://spiber.inc/en
- type: About
  url: https://spiber.inc/en/about
- type: Blog
  url: https://spiber.inc/en/news
- type: BlogRSS
  url: https://spiber.inc/en/news/feed
- type: PrivacyPolicy
  url: https://spiber.inc/en/privacy-policy
- type: CookiePolicy
  url: https://spiber.inc/en/cookie-policy
- type: Careers
  url: https://spiber.inc/en/careers
- type: GitHubOrganization
  url: https://github.com/Spiber
- type: Sustainability
  url: https://spiber.inc/en/sustainability
- type: Research
  url: https://spiber.inc/en/academic-papers
- type: LLMsTxt
  url: llms/spiber-llms.txt
- type: DomainSecurity
  url: security/spiber-domain-security.yml
- type: Lifecycle
  url: lifecycle/spiber-lifecycle.yml
- type: Conformance
  url: conformance/spiber-conformance.yml
- type: Plans
  url: plans/spiber-plans-pricing.yml
- type: Packages
  url: packages/spiber-packages.yml
x-enrichment:
  date: '2026-08-29'
  status: minimal
  artifacts_added: 13
  pass: local-v1
x-coverage:
  state: none
  reason: not-a-software-company
  detail: >-
    Spiber manufactures Brewed Protein fiber, resin and film by precision fermentation and sells it
    to apparel and automotive brands under supply agreements, so it publishes no developer program
    at all; the only machine-readable HTTP surface on any Spiber host is the unadvertised read-only
    WordPress REST backend that renders spiber.inc, which serves every response with
    X-Robots-Tag noindex and has no reference documentation.
  evidence:
  - url: https://spiber.inc/developers
    status: 404
  - url: https://spiber.inc/openapi.json
    status: 404
  - url: https://spiber.inc/.well-known/agent-card.json
    status: 404
  - url: https://spiber.xsrv.jp/api/wp-json/
    status: 200
  - url: https://api.github.com/orgs/Spiber
    status: 200
  checked: '2026-08-29'