Fireglass

Fireglass was an Israeli browser-isolation cybersecurity startup, a portfolio company of Lightspeed Venture Partners, whose remote-browser-isolation product removed active web content threats by rendering pages in an isolated cloud environment. The company was acquired by Symantec in 2017 and its technology folded into Symantec Web Isolation (now part of Broadcom); it no longer operates as an independent brand. As of the 2026-07-19 enrichment probe the fireglass.com domain has been re-registered and now serves Technical Glass Products, an unrelated fire-rated architectural glass manufacturer. No surviving Fireglass developer portal, documentation, OpenAPI, MCP server, or /.well-known surface exists to enrich; this stub is retained as a resolved Lightspeed portfolio lead.

Fireglass is profiled on the APIs.io network. Tagged areas include Company, Cybersecurity, Browser Isolation, Web Security, and Acquired.

📡 Source on GitHub

5.0/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

0 APIs

Company Cybersecurity Browser Isolation Web Security Acquired Defunct

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 5.0/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 20

Access Clarity 0.0 / 20

Operational Transparency 0.0 / 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/fireglass: 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 →

Resources

Other 1

Properties that don't map to a standard resource type

ParentCompany

ParentCompany

Source (apis.yml)

aid: fireglass
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  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/fireglass.png
name: Fireglass
description: Fireglass was an Israeli browser-isolation cybersecurity startup, a portfolio company of Lightspeed Venture Partners,
  whose remote-browser-isolation product removed active web content threats by rendering pages in an isolated cloud environment.
  The company was acquired by Symantec in 2017 and its technology folded into Symantec Web Isolation (now part of Broadcom);
  it no longer operates as an independent brand. As of the 2026-07-19 enrichment probe the fireglass.com domain has been re-registered
  and now serves Technical Glass Products, an unrelated fire-rated architectural glass manufacturer. No surviving Fireglass
  developer portal, documentation, OpenAPI, MCP server, or /.well-known surface exists to enrich; this stub is retained as
  a resolved Lightspeed portfolio lead.
x-status: no-api-surface
x-status-reason: acquired-by-symantec-2017; domain-repurposed-technical-glass-products
x-enrichment-probe:
  date: '2026-07-19'
  fireglass_com: HTTP 200 -> Technical Glass Products (fire-rated glass), unrelated to original company
  developer_surface: none-found
url: https://raw.githubusercontent.com/api-evangelist/fireglass/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- lightspeed-venture-partners
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-08-21'
tags:
- Company
- Cybersecurity
- Browser Isolation
- Web Security
- Acquired
- Defunct
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence
common:
- type: ParentCompany
  url: https://apis.io/providers/symantec/
  name: Symantec
  x-relationship: acquisition
  x-generated-by: broadcom-family:2026-08-21
  x-acquired: 2017
x-parent: symantec
x-relationship: acquisition
x-acquired: 2017

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