Guardant Health website screenshot

Guardant Health

Guardant Health is a precision oncology company whose blood- and tissue-based liquid biopsy tests (Guardant360, Guardant Reveal, Guardant Shield, GuardantINFINITY) detect cancer and guide treatment. Its integration surface is partner- and EMR-based - electronic test ordering and results delivery through Epic Aura and Flatiron OncoEMR, patient portals (MyGuardant, My Data), and biopharma data platforms (GuardantINFORM, GuardantConnect, Guardant Galaxy). No public self-serve developer API is documented.

Guardant Health publishes 2 APIs on the APIs.io network: Orders API and Results API. Tagged areas include Healthcare, Precision Oncology, Liquid Biopsy, Genomics, and EMR Integration.

Guardant Health’s developer surface includes authentication, documentation, engineering blog, and 9 more developer resources.

38.0/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessSelf serve
7 APIs
HealthcarePrecision OncologyLiquid BiopsyGenomicsEMR Integration

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 38.0/100 · thin
Contract Quality 14.2 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 9.5 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 6.5 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
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/guardant-health: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 7

Individual APIs this provider publishes, each with its own machine-readable definition.

Guardant Nexus

Guardant Nexus partnership program for institutional and provider partners, coordinating ordering, integration and account workflows. Access is partner-gated; no public API surf...

GuardantINFORM

In-silico real-world clinical-genomic data platform combining de-identified longitudinal clinical information with genomic data from Guardant360, used by biopharma for drug deve...

GuardantConnect

Integrated software solution that connects patients tested with Guardant assays who have actionable alterations to potentially relevant clinical studies, for clinical and biopha...

Guardant Galaxy

Suite of advanced AI analytics and digital pathology technologies that enhance Guardant test performance and power biomarker and drug discovery. Embedded in Guardant's products;...

MyGuardant Patient Portal

Authenticated patient-facing portals (MyGuardant and My Data) where patients access test status, results and personal health data. Web application behind login; no documented pu...

Guardant Health Orders API

Electronic ordering of Guardant assays from the EMR.

Guardant Health Results API

Molecular profiling results delivered back to the patient chart.

Scroll for all 7

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Guardant Health Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Guardant Health Authentication

oauth2 · 1 scheme

SECURITY

Guardant Health Domain Security

TLSv1.3 · DMARC

SECURITY

Guardant Health Trust Center

SOC 2, ISO 27001, ISO 27017, ISO 27018, PCI DSS, HIPAA, FedRAMP, GDPR, CSA STAR

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Guardant Health Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Guardant Health Agentic Access

3 operations · 1 acting

3 operations · 1 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Access & Security 4

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: guardant-health
url: https://raw.githubusercontent.com/api-evangelist/guardant-health/refs/heads/main/apis.yml
name: Guardant Health
kind: company
description: Guardant Health is a precision oncology company whose blood- and tissue-based liquid biopsy tests (Guardant360,
  Guardant Reveal, Guardant Shield, GuardantINFINITY) detect cancer and guide treatment. Its integration surface is partner-
  and EMR-based - electronic test ordering and results delivery through Epic Aura and Flatiron OncoEMR, patient portals (MyGuardant,
  My Data), and biopharma data platforms (GuardantINFORM, GuardantConnect, Guardant Galaxy). No public self-serve developer
  API is documented.
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/guardant-health.png
tags:
- Healthcare
- Precision Oncology
- Liquid Biopsy
- Genomics
- EMR Integration
created: '2026-06-20'
modified: '2026-06-20'
specificationVersion: '0.19'
apis:
- aid: guardant-health:guardant-nexus
  name: Guardant Nexus
  tags:
  - Partner Platform
  - Provider
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://guardanthealth.com/precision-oncology/for-institutional-partners/
  baseURL: ''
  properties:
  - url: https://guardanthealth.com/precision-oncology/for-institutional-partners/
    type: Documentation
  description: Guardant Nexus partnership program for institutional and provider partners, coordinating ordering, integration
    and account workflows. Access is partner-gated; no public API surface is documented.
- aid: guardant-health:guardant-inform
  name: GuardantINFORM
  tags:
  - Biopharma
  - Real World Data
  - Clinical Genomic
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://guardanthealth.com/precision-oncology/biopharma-solutions/real-world-evidence/
  baseURL: ''
  properties:
  - url: https://guardanthealth.com/precision-oncology/biopharma-solutions/real-world-evidence/
    type: Documentation
  description: In-silico real-world clinical-genomic data platform combining de-identified longitudinal clinical information
    with genomic data from Guardant360, used by biopharma for drug development analytics. Delivered as a managed platform,
    not a public API.
- aid: guardant-health:guardant-connect
  name: GuardantConnect
  tags:
  - Biopharma
  - Clinical Trials
  - Trial Matching
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://guardanthealth.com/precision-oncology/biopharma-solutions/
  baseURL: ''
  properties:
  - url: https://guardanthealth.com/precision-oncology/biopharma-solutions/
    type: Documentation
  description: Integrated software solution that connects patients tested with Guardant assays who have actionable alterations
    to potentially relevant clinical studies, for clinical and biopharmaceutical customers. Partner-gated; no public API.
- aid: guardant-health:guardant-galaxy
  name: Guardant Galaxy
  tags:
  - AI Analytics
  - Biomarker Discovery
  - Digital Pathology
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://guardanthealth.com/
  baseURL: ''
  properties:
  - url: https://guardanthealth.com/
    type: Website
  description: Suite of advanced AI analytics and digital pathology technologies that enhance Guardant test performance and
    power biomarker and drug discovery. Embedded in Guardant's products; no public developer API is documented.
- aid: guardant-health:myguardant-patient-portal
  name: MyGuardant Patient Portal
  tags:
  - Patient Portal
  - Results
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://portal.guardanthealth.com/myguardant
  baseURL: ''
  properties:
  - url: https://portal.guardanthealth.com/myguardant
    type: Website
  - url: https://mydata.guardanthealth.com/
    type: Website
  description: Authenticated patient-facing portals (MyGuardant and My Data) where patients access test status, results and
    personal health data. Web application behind login; no documented public patient API.
- aid: guardant-health:guardant-health-orders-api
  name: Guardant Health Orders API
  description: Electronic ordering of Guardant assays from the EMR.
  humanURL: https://guardanthealth.com/precision-oncology/for-institutional-partners/emr-integration-services/
  tags:
  - Orders
  properties:
  - type: OpenAPI
    url: openapi/guardant-health-orders-api-openapi.yml
  - type: Documentation
    url: https://guardanthealth.com/precision-oncology/for-institutional-partners/emr-integration-services/
  - type: PostmanCollection
    url: collections/guardant-health.postman_collection.json
  - type: OpenCollection
    url: collections/guardant-health.opencollection.json
- aid: guardant-health:guardant-health-results-api
  name: Guardant Health Results API
  description: Molecular profiling results delivered back to the patient chart.
  humanURL: https://guardanthealth.com/precision-oncology/for-institutional-partners/emr-integration-services/
  tags:
  - Results
  properties:
  - type: OpenAPI
    url: openapi/guardant-health-results-api-openapi.yml
  - type: Documentation
    url: https://guardanthealth.com/precision-oncology/for-institutional-partners/emr-integration-services/
  - type: PostmanCollection
    url: collections/guardant-health.postman_collection.json
  - type: OpenCollection
    url: collections/guardant-health.opencollection.json
common:
- type: AgenticAccess
  url: agentic-access/guardant-health-agentic-access.yml
- type: TrustCenter
  url: security/guardant-health-trust-center.yml
- type: DomainSecurity
  url: security/guardant-health-domain-security.yml
- type: Authentication
  url: authentication/guardant-health-authentication.yml
- type: OAuthScopes
  url: scopes/guardant-health-scopes.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/guardanthealth
- type: Website
  url: https://www.guardanthealth.com
- type: Documentation
  url: https://guardanthealth.com/precision-oncology/for-institutional-partners/emr-integration-services/
- type: Plans
  url: plans/guardant-health-plans-pricing.yml
- type: RateLimits
  url: rate-limits/guardant-health-rate-limits.yml
- type: FinOps
  url: finops/guardant-health-finops.yml
- type: Blog
  url: https://www.guardanthealth.com/newsroom/press-releases/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com