Icarus is an aerospace and defense company building autonomous, solar-powered stratospheric aircraft for persistent surveillance and connectivity. Its APOLLO platform operates continuously above 60,000 feet, delivering rapid aerial intelligence, wide-area coverage across 1,000+ square miles, and always-on, low-latency (5-10ms) direct-to-device communications for weeks-long missions without ground infrastructure. Founded in 2023 and based in El Segundo, California, Icarus was part of Y Combinator's Fall 2025 batch. The company operates in the defense/aerospace hardware space and does not currently publish any public API, developer portal, SDK, or technical developer surface; this profile captures its identity for the API Evangelist network.
Icarus is profiled on the APIs.io network. Tagged areas include Company, Aerospace, Defense, Surveillance, and Connectivity.
Regulatory Posture applies to this provider. Its tags matched the
Energy & Utilities regime, so
Regulatory Posture carries 15 points of the composite.
If this regime is wrong for your business, say so on your
provider repo — the
applicability map is public and we will correct it.
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.
The six quality facets above are damped to 85 points between them,
because the conditional facet above carries the other
15. That is why each facet's contribution is shown against a damped
maximum: raising a quality facet moves the composite by 85% of its nominal
weight, not 100%. The full arithmetic is at apis.io/rating/.
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/icarus: open an issue to ask a question, or submit a pull request to add artifacts.
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aid: icarus
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/icarus.png
name: Icarus
description: Icarus is an aerospace and defense company building autonomous, solar-powered stratospheric aircraft for persistent
surveillance and connectivity. Its APOLLO platform operates continuously above 60,000 feet, delivering rapid aerial intelligence,
wide-area coverage across 1,000+ square miles, and always-on, low-latency (5-10ms) direct-to-device communications for weeks-long
missions without ground infrastructure. Founded in 2023 and based in El Segundo, California, Icarus was part of Y Combinator's
Fall 2025 batch. The company operates in the defense/aerospace hardware space and does not currently publish any public
API, developer portal, SDK, or technical developer surface; this profile captures its identity for the API Evangelist network.
url: https://raw.githubusercontent.com/api-evangelist/icarus/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- y-combinator
x-yc-batch: Fall 2025
x-founded: '2023'
x-headquarters: El Segundo, CA
x-founder: Henry Kwan
x-tier: stub
x-tier-reason: portfolio-lead
x-enrichment-note: No public API, developer portal, SDK, or MCP surface found (defense/aerospace hardware company). Identity
enriched from icarus.one and Y Combinator; domain security probed.
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Aerospace
- Defense
- Surveillance
- Connectivity
- Stratospheric
- Autonomous Aircraft
- Solar Power
apis: []
common:
- type: DomainSecurity
url: security/icarus-domain-security.yml
- type: Website
url: https://www.icarus.one/
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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