aid: codesignal-inc
name: CodeSignal, Inc.
description: >-
  CodeSignal is a technical skills assessment and interview platform used by
  employers to evaluate, hire, and develop engineering talent through skills
  assessments, an AI Interviewer, live technical interviews, and skills
  development and intelligence products. For programmatic integration CodeSignal
  publishes a developer surface at developer.codesignal.com built around a
  GraphQL API (https://app.codesignal.com/graphql) authenticated with a Bearer
  API key, a Webhook API that delivers HMAC-SHA256-signed JSON event
  notifications for assessments, test sessions, and live interviews, and a Learn
  API. The platform integrates with major ATS, LMS, HCM, and SSO/identity
  providers and maintains SOC 2 Type II and ISO 27001 compliance.
url: https://raw.githubusercontent.com/api-evangelist/codesignal-inc/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- index-ventures
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
image: https://codesignal.com/wp-content/uploads/2023/01/codesignal-logo.png
tags:
- Company
- Business Applications
- Technical Assessment
- Developer Hiring
- Skills Assessment
- Technical Interviews
- GraphQL
- Webhooks
- Talent
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- name: CodeSignal GraphQL API
  description: >-
    CodeSignal's primary programmatic surface: a GraphQL API for reading
    assessments and company test sessions and running mutations, authenticated
    with a Bearer API key. Read operations live under RootQuery and writes under
    RootMutation; per-operation rate limits apply (commonly 5-10 req/s) with a
    max query cost of 10,000 and max depth of 10.
  humanURL: https://developer.codesignal.com/graphql
  baseURL: https://app.codesignal.com/graphql
  properties:
  - type: Documentation
    url: https://developer.codesignal.com/graphql
  - type: Authentication
    url: authentication/codesignal-inc-authentication.yml
  - type: Conventions
    url: conventions/codesignal-inc-conventions.yml
common:
- type: Website
  url: https://codesignal.com/
- type: DeveloperPortal
  url: https://developer.codesignal.com/
- type: Documentation
  url: https://developer.codesignal.com/
- type: APIReference
  url: https://developer.codesignal.com/graphql
- type: Integrations
  url: https://codesignal.com/integrations/
- type: Pricing
  url: https://codesignal.com/pricing/
- type: SignUp
  url: https://identity.codesignal.com/auth/login/
- type: TermsOfService
  url: https://codesignal.com/terms/
- type: PrivacyPolicy
  url: https://codesignal.com/privacy/
- type: Blog
  url: https://codesignal.com/blog/
- type: Support
  url: https://support.codesignal.com/hc/en-us
- type: StatusPage
  url: https://status.codesignal.com/
- type: Compliance
  url: https://codesignal.com/compliance-trust/
- type: TrustCenter
  url: https://trust.codesignal.com/
- type: Authentication
  url: authentication/codesignal-inc-authentication.yml
- type: Conventions
  url: conventions/codesignal-inc-conventions.yml
- type: Lifecycle
  url: lifecycle/codesignal-inc-lifecycle.yml
- type: Conformance
  url: conformance/codesignal-inc-conformance.yml
- type: Webhooks
  url: asyncapi/codesignal-inc-webhooks.yml
- type: WellKnown
  url: well-known/codesignal-inc-well-known.yml
- type: SecurityTxt
  url: well-known/codesignal-inc-security.txt
- type: LLMsTxt
  url: llms/codesignal-inc-llms.txt
- type: DomainSecurity
  url: security/codesignal-inc-domain-security.yml
- type: VulnerabilityDisclosure
  url: security/codesignal-inc-vulnerability-disclosure.yml
- type: Security
  url: https://codesignal.com/security/disclosure-policy
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence