aid: arcus-biosciences
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/arcus-biosciences.png
name: Arcus Biosciences
description: >-
  Arcus Biosciences is a clinical-stage biopharmaceutical company focused on
  developing differentiated cancer immunotherapies, headquartered in Hayward,
  California. Its pipeline pairs multiple novel molecules across intra-tumoral
  immune pathways, including the HIF-2a inhibitor casdatifan, the CD73 inhibitor
  quemliclustat, the anti-TIGIT antibody domvanalimab, the anti-PD-1 antibody
  zimberelimab, and the CD39 inhibitor AB598. Surfaced as a portfolio company of
  GV and added to the API Evangelist network as a life-sciences company profile.
  Arcus publishes an agent-facing surface (llms.txt, an AI content map, and an
  Organization schema) but no public developer API.
url: https://raw.githubusercontent.com/api-evangelist/arcus-biosciences/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- gv
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Life Sciences
- Biotechnology
- Pharmaceuticals
- Oncology
- Immunotherapy
- Cancer
- Clinical Trials
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: http://arcusbio.com
- type: PrivacyPolicy
  url: https://arcusbio.com/privacy-policy/
- type: LLMsTxt
  url: llms/arcus-biosciences-llms.txt
- type: DomainSecurity
  url: security/arcus-biosciences-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence