Karat

Karat Inc. is a Seattle-based technical interviewing platform that conducts standardized software engineering interviews for enterprise hiring teams through its community of trained Interview Engineers. Karat exposes a GraphQL API, hosted per-customer at https://{subdomain}.karat.io/api/v1/graphql, that lets talent and ATS systems programmatically manage roles and groups, look up users, invite candidates into assessments, retrieve candidacy statuses, code-challenge and interview results, and bulk-update candidacy dispositions. The API uses Bearer token authentication, Relay-style cursor pagination, and ships an example Python SDK and a Postman collection. Karat is SOC 2 Type II certified and certified under the EU-US, UK-US and Swiss-US Data Privacy Frameworks.

Karat publishes 1 API on the APIs.io network. Tagged areas include Company, Technical Interviewing, Hiring, Recruiting, and Talent Assessment.

Karat’s developer surface includes documentation, API reference, getting-started guide, engineering blog, support, authentication, sandbox, and 20 more developer resources.

🌐 Visit website 📡 Source on GitHub
32.5/100 thin Agent 30/100 agent aware Full breakdown ↓
scored 2026-07-20 · rubric v0.4
1 APIs 1 MCP Servers 0 Features
CompanyTechnical InterviewingHiringRecruitingTalent AssessmentEngineeringGraphQLAPI

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4
Composite quality — 32.5/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 15.2 / 20
Commercial Clarity 7.4 / 20
Operational Transparency 0.7 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 30/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 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 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
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/karat: 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

Karat GraphQL API

Karat's GraphQL API for managing technical-interview hiring workflows: query candidacies, roles, groups and users; invite candidates into assessments; and bulk-update candidacy ...

MCP Servers

karat-mcp.yml

MCP SERVER

Resources

Get Started 2

Portal, sign-up, and the first successful call

GettingStarted
GettingStarted
 Sandbox
Sandbox

Documentation 4

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference
 GraphQL
GraphQL
 GraphQLOperations
GraphQLOperations

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

WellKnown
WellKnown
 MCPServer
MCPServer
 AgentSkill
AgentSkill
 LLMsTxt
LLMsTxt

Design & Contract 4

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 DataModel
DataModel
 Conformance
Conformance
 Lifecycle
Lifecycle

Build 4

SDKs, sample code, and the tooling you integrate with

Postman
Postman
 GitHubOrganization
GitHubOrganization
 SDKs
SDKs
 Packages
Packages

Access & Security 4

Authentication, authorization, and security posture

Compliance
Compliance
 Authentication
Authentication
 TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support
Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: karat
name: Karat
description: Karat Inc. is a Seattle-based technical interviewing platform that conducts standardized software engineering
  interviews for enterprise hiring teams through its community of trained Interview Engineers. Karat exposes a GraphQL API,
  hosted per-customer at https://{subdomain}.karat.io/api/v1/graphql, that lets talent and ATS systems programmatically manage
  roles and groups, look up users, invite candidates into assessments, retrieve candidacy statuses, code-challenge and interview
  results, and bulk-update candidacy dispositions. The API uses Bearer token authentication, Relay-style cursor pagination,
  and ships an example Python SDK and a Postman collection. Karat is SOC 2 Type II certified and certified under the EU-US,
  UK-US and Swiss-US Data Privacy Frameworks.
url: https://raw.githubusercontent.com/api-evangelist/karat/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- norwest-venture-partners
- union-square-ventures
x-tier: enriched
x-tier-reason: portfolio-lead
image: https://karat.com/wp-content/themes/karat/assets/img/png/logo.png
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Technical Interviewing
- Hiring
- Recruiting
- Talent Assessment
- Engineering
- GraphQL
- API
apis:
- name: Karat GraphQL API
  description: 'Karat''s GraphQL API for managing technical-interview hiring workflows: query candidacies, roles, groups and
    users; invite candidates into assessments; and bulk-update candidacy dispositions. Hosted per-customer on a tenant subdomain.'
  humanURL: https://karat.slab.com/posts/karat-api-documentation-dezzam7y
  baseURL: https://{subdomain}.karat.io/api/v1/graphql
  tags:
  - GraphQL
  - Hiring
  - Interviewing
  properties:
  - type: Documentation
    url: https://karat.slab.com/posts/karat-api-documentation-dezzam7y
  - type: APIReference
    url: https://karat.slab.com/posts/karat-api-overview-6l4gprc3
  - type: GraphQL
    url: https://github.com/karat/api-docs
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://karat.com
- type: Documentation
  url: https://karat.slab.com/posts/karat-api-documentation-dezzam7y
- type: APIReference
  url: https://karat.slab.com/posts/karat-api-overview-6l4gprc3
- type: GettingStarted
  url: https://github.com/karat/api-sdk#installation
- type: GraphQL
  url: https://github.com/karat/api-docs
- type: Postman
  url: https://github.com/karat/api-docs/tree/main/Postman
- type: GitHubOrganization
  url: https://github.com/karat
- type: Blog
  url: https://karat.com/blog/
- type: Support
  url: https://karat.com/contact-us/
- type: TermsOfService
  url: https://karat.com/terms-of-service/
- type: PrivacyPolicy
  url: https://karat.com/privacy/
- type: Compliance
  url: https://karat.com/customer-faq/
- type: SDKs
  url: packages/karat-packages.yml
- type: Packages
  url: packages/karat-packages.yml
- type: Authentication
  url: authentication/karat-authentication.yml
- type: Conventions
  url: conventions/karat-conventions.yml
- type: DataModel
  url: data-model/karat-data-model.yml
- type: Conformance
  url: conformance/karat-conformance.yml
- type: Lifecycle
  url: lifecycle/karat-lifecycle.yml
- type: Sandbox
  url: sandbox/karat-sandbox.yml
- type: WellKnown
  url: well-known/karat-well-known.yml
- type: TrustCenter
  url: security/karat-trust-center.yml
- type: DomainSecurity
  url: security/karat-domain-security.yml
- type: MCPServer
  url: mcp/karat-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/karat-llms.txt
- type: GraphQLOperations
  url: graphql/karat-operations.graphql
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence