Valthos

Valthos is a New York City-based biodefense company developing frontier AI systems that identify biological threats and design medical countermeasures in real time. The company emerged from stealth in October 2025 with $30 million in backing from the OpenAI Startup Fund, Lux Capital, and Founders Fund, with a founding team drawn from Palantir, DeepMind, the Broad Institute, and the Arc Institute. Valthos is building AI-powered biodefense infrastructure to rapidly analyze biological sequences and update medicines at scale for experts in government and the life sciences. The company does not yet publish a public API, developer portal, or open-source surface.

Valthos is profiled on the APIs.io network. Tagged areas include Company, Defense Bio, Biodefense, Biosecurity, and Artificial Intelligence.

Valthos’ developer surface includes engineering blog, product news, and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub

8.1/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs 8 Features

CompanyDefense BioBiodefenseBiosecurityArtificial IntelligenceMedical CountermeasuresLife SciencesNational SecurityNew York

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 8.1/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.4 / 20

Commercial Clarity 0.0 / 20

Operational Transparency 0.0 / 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

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Features 8

Notable capabilities this provider offers.

Sector: Biodefense / defense-bio (AI for biological threat identification and medical countermeasures)

Mission: any threat to human health can be immediately identified and neutralized

Emerged from stealth: October 2025

Funding: $30 million from the OpenAI Startup Fund, Lux Capital, and Founders Fund

Founding team origins: Palantir, DeepMind, Broad Institute, Arc Institute

HQ: New York City, NY (San Francisco secondary for select roles)

Hiring (Jul 2026): software, applied AI, computational biology, forward-deployed, product engineering roles in New York

Public API surface: none published as of 2026-07-21

Scroll for all 8

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 6

The organization behind the API

Website

Blog

Careers

Twitter

LinkedIn

News

News

Source (apis.yml)

aid: valthos
name: Valthos
description: Valthos is a New York City-based biodefense company developing frontier AI systems that identify biological threats
  and design medical countermeasures in real time. The company emerged from stealth in October 2025 with $30 million in backing
  from the OpenAI Startup Fund, Lux Capital, and Founders Fund, with a founding team drawn from Palantir, DeepMind, the Broad
  Institute, and the Arc Institute. Valthos is building AI-powered biodefense infrastructure to rapidly analyze biological
  sequences and update medicines at scale for experts in government and the life sciences. The company does not yet publish
  a public API, developer portal, or open-source surface.
url: https://raw.githubusercontent.com/api-evangelist/valthos/refs/heads/main/apis.yml
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://valthos.com/favicon.ico
x-type: company
x-source: vc-portfolio
x-backed-by:
- lux-capital
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Defense Bio
- Biodefense
- Biosecurity
- Artificial Intelligence
- Medical Countermeasures
- Life Sciences
- National Security
- New York
apis: []
common:
- type: DomainSecurity
  url: security/valthos-domain-security.yml
- type: LLMsTxt
  url: llms/valthos-llms.txt
- type: Website
  url: https://valthos.com
- type: Blog
  url: https://valthos.com/blog/intro
- type: Careers
  url: https://jobs.ashbyhq.com/valthos
- type: Twitter
  url: https://x.com/ValthosTech
- type: LinkedIn
  url: https://www.linkedin.com/company/valthos
- type: News
  url: https://www.bloomberg.com/news/articles/2025-10-24/openai-backs-a-new-venture-trying-to-thwart-ai-bio-attacks
- type: Features
  data:
  - 'Sector: Biodefense / defense-bio (AI for biological threat identification and medical countermeasures)'
  - 'Mission: any threat to human health can be immediately identified and neutralized'
  - 'Emerged from stealth: October 2025'
  - 'Funding: $30 million from the OpenAI Startup Fund, Lux Capital, and Founders Fund'
  - 'Founding team origins: Palantir, DeepMind, Broad Institute, Arc Institute'
  - 'HQ: New York City, NY (San Francisco secondary for select roles)'
  - 'Hiring (Jul 2026): software, applied AI, computational biology, forward-deployed, product engineering roles in New York'
  - 'Public API surface: none published as of 2026-07-21'
  sources:
  - https://valthos.com
  - https://valthos.com/blog/intro
  - https://api.ashbyhq.com/posting-api/job-board/valthos
  updated: '2026-07-21'
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-21'
  status: minimal
  artifacts_added: 3
  pass: local-v1