Cyren Call
Cyren Call Communications Corp. was a wireless communications company founded in 2005 by Nextel co-founder Morgan O'Brien to advocate for a nationwide public-safety broadband network. Its central proposal asked the FCC to reallocate 30 MHz of 700 MHz-band spectrum (freed by the 2009 analog-TV shutdown) to public-safety users, and it later served as advisor to the Public Safety Spectrum Trust (PSST) after PSST became the nationwide licensee for public safety's 10 MHz of 700 MHz broadband spectrum. The FCC dismissed Cyren Call's original petition as inconsistent with auction requirements, and the PSST advisory relationship ended in early 2009. The company is permanently closed. It never operated a developer program, public API, or SDK surface, so no API artifacts are available for enrichment.
Cyren Call is profiled on the APIs.io network. Tagged areas include Company, Telecommunications, Wireless, Public Safety, and Spectrum.
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →
Kin Score
Kin Score
How this is scored →scored 2026-11-06 · rubric v0.27.0
<a href="https://apis.io/providers/cyren-call/"><img src="https://apis.io/badge/cyren-call/card.svg" alt="Cyren Call on APIs.io — Kin Score by API Evangelist"></a>Other styles, a README pill and a shields.io endpoint are on the badge page.
- Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document
- MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
- Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
- Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
- Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
- Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes
- Contract Quality scores 0.0 — up to +25.0 composite points
- Developer Ergonomics scores 0.0 — up to +20.0 composite points
- Access Clarity scores 0.0 — up to +20.0 composite points
Source (apis.yml)
aid: cyren-call
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: '2026-11-06'
method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/cyren-call.png
name: Cyren Call
description: Cyren Call Communications Corp. was a wireless communications company founded in 2005 by Nextel co-founder Morgan
O'Brien to advocate for a nationwide public-safety broadband network. Its central proposal asked the FCC to reallocate 30
MHz of 700 MHz-band spectrum (freed by the 2009 analog-TV shutdown) to public-safety users, and it later served as advisor
to the Public Safety Spectrum Trust (PSST) after PSST became the nationwide licensee for public safety's 10 MHz of 700 MHz
broadband spectrum. The FCC dismissed Cyren Call's original petition as inconsistent with auction requirements, and the
PSST advisory relationship ended in early 2009. The company is permanently closed. It never operated a developer program,
public API, or SDK surface, so no API artifacts are available for enrichment.
url: https://raw.githubusercontent.com/api-evangelist/cyren-call/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- battery-ventures
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Telecommunications
- Wireless
- Public Safety
- Spectrum
- Broadband
- Defunct
x-status: 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
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