aid: cesiumastro
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/cesiumastro.png
name: CesiumAstro
description: 'CesiumAstro designs, manufactures, and tests full-stack communication
  systems and satellites for space, air, and ground missions. The Austin, Texas company,
  founded in 2017, builds active phased array payloads (Vireo), software-defined radios
  (SDR-1001/2051/2104/3104), reconfigurable processing units, SATCOM terminals (Skylark),
  tactical ISR/PNT payloads (Nightingale), and the integrated Element LEO satellite
  platform. Its hardware enables inter-satellite links, high-speed downlinks, lunar
  communications, and 5G non-terrestrial networks. CesiumAstro publishes no public
  developer API, SDK, or documentation portal; this profile tracks the company as an
  aerospace hardware provider in the API Evangelist network.'
url: https://raw.githubusercontent.com/api-evangelist/cesiumastro/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- kleiner-perkins
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Hardtech
- Aerospace
- Satellite
- Communications
- Phased Array
- Software-Defined Radio
- Space
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.cesiumastro.com
- type: About
  url: https://www.cesiumastro.com/about
- type: Blog
  url: https://www.cesiumastro.com/newsroom
- type: Support
  url: https://www.cesiumastro.com/contact
- type: GitHubOrganization
  url: https://github.com/CesiumAstro
- type: PrivacyPolicy
  url: https://www.cesiumastro.com/privacy-policy
- type: TermsOfService
  url: https://www.cesiumastro.com/terms-and-conditions
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence