EnduroSat

EnduroSat is a Sofia, Bulgaria-based satellite manufacturer and space service provider working to make space universally accessible by lowering the cost and complexity of accessing space data. The company builds CubeSat and SmallSat platforms (FRAME Max, FRAME L, FRAME S buses and 8U/12U/16U CubeSats), avionics and communication modules (X-Band SDR, S-Band and UHF transceivers, EPS power modules, solar panels, and antennas), and delivers end-to-end Space Service, SpaceOps, and SpaceDev offerings that take customers from idea to orbit in roughly six months. EnduroSat has deployed 100+ satellites with 3,500+ modules in operation, downlinked 500+ TB of data, and serves ~450 customers including NASA, ESA, and IBM Space. It maintains an open-source GitHub organization publishing Cubesat Space Protocol (CSP) implementations and NextGen ground-station and onboard API frameworks. Backed by Founders Fund and GV.

EnduroSat is profiled on the APIs.io network. Tagged areas include Company, Aerospace, Space, Satellites, and CubeSat.

EnduroSat’s developer surface includes engineering blog, support, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub
13.0/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyAerospaceSpaceSatellitesCubeSatSmallSatNanosatellitesGround StationSpace Hardware

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 13.0/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 1.3 / 20
Commercial Clarity 4.2 / 20
Operational Transparency 0.7 / 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/endurosat: 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.

Endurosat Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: endurosat
name: EnduroSat
description: EnduroSat is a Sofia, Bulgaria-based satellite manufacturer and space service provider working to make space
  universally accessible by lowering the cost and complexity of accessing space data. The company builds CubeSat and SmallSat
  platforms (FRAME Max, FRAME L, FRAME S buses and 8U/12U/16U CubeSats), avionics and communication modules (X-Band SDR, S-Band
  and UHF transceivers, EPS power modules, solar panels, and antennas), and delivers end-to-end Space Service, SpaceOps, and
  SpaceDev offerings that take customers from idea to orbit in roughly six months. EnduroSat has deployed 100+ satellites
  with 3,500+ modules in operation, downlinked 500+ TB of data, and serves ~450 customers including NASA, ESA, and IBM Space.
  It maintains an open-source GitHub organization publishing Cubesat Space Protocol (CSP) implementations and NextGen ground-station
  and onboard API frameworks. Backed by Founders Fund and GV.
url: https://raw.githubusercontent.com/api-evangelist/endurosat/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- founders-fund
- gv
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
image: https://www.endurosat.com/wp-content/uploads/2025/01/3-We-covered-it-all-Satellite-assembly.webp
tags:
- Company
- Aerospace
- Space
- Satellites
- CubeSat
- SmallSat
- Nanosatellites
- Ground Station
- Space Hardware
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/endurosat-domain-security.yml
- type: Website
  url: https://www.endurosat.com
- type: Blog
  url: https://www.endurosat.com/news/
- type: GitHubOrganization
  url: https://github.com/endurosat
- type: Support
  url: https://www.endurosat.com/contact/
- type: TermsOfService
  url: https://www.endurosat.com/terms-and-conditions/
- type: PrivacyPolicy
  url: https://www.endurosat.com/legal/
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence