K6

k6 is an open source load testing tool by Grafana Labs for testing the performance and reliability of APIs using JavaScript-based test scripts.

K6 publishes 5 APIs on the APIs.io network, including Load tests API, Load zones API, Projects API, and 2 more. Tagged areas include Load Testing and Testing.

K6’s developer surface includes authentication, documentation, engineering blog, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

36.3/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemiumSelf serve⚡ Free to try

6 APIs

Load TestingTesting

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 36.3/100 · thin

Contract Quality 14.6 / 25

Developer Ergonomics 4.3 / 20

Commercial Clarity 7.9 / 20

Operational Transparency 4.8 / 13

Governance 0.0 / 12

Discoverability 4.6 / 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/k6: 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 6

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

K6

k6 is an open source load testing tool by Grafana Labs for testing the performance and reliability of APIs using JavaScript-based test scripts.

K6 Load tests API

Configure and manage load-testing resources.

K6 Load zones API

Manage geographic load-generation zones.

K6 Projects API

Manage k6 projects within a Grafana stack.

K6 Schedules API

Manage scheduled load-test execution.

K6 Test runs API

Inspect and control load-test execution runs.

Open Collections 1

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

Grafana Cloud k6 REST API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

K6 Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

K6 Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Source (apis.yml)

aid: k6
name: K6
description: k6 is an open source load testing tool by Grafana Labs for testing the performance and reliability of APIs using
  JavaScript-based test scripts.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · 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/k6.png
tags:
- Load Testing
- Testing
url: https://raw.githubusercontent.com/api-evangelist/k6/refs/heads/main/apis.yml
created: '2026-03-25'
modified: '2026-04-28'
specificationVersion: '0.19'
apis:
- aid: k6:k6
  name: K6
  description: k6 is an open source load testing tool by Grafana Labs for testing the performance and reliability of APIs
    using JavaScript-based test scripts.
  humanURL: https://k6.io
  tags:
  - Load Testing
  - Testing
  properties:
  - type: Documentation
    url: https://grafana.com/docs/k6/latest/
  - type: GitHubRepository
    url: https://github.com/grafana/k6
- aid: k6:k6-load-tests-api
  name: K6 Load tests API
  description: Configure and manage load-testing resources.
  humanURL: https://k6.io
  tags:
  - Load tests
  properties:
  - type: OpenAPI
    url: openapi/k6-load-tests-api-openapi.yml
- aid: k6:k6-load-zones-api
  name: K6 Load zones API
  description: Manage geographic load-generation zones.
  humanURL: https://k6.io
  tags:
  - Load zones
  properties:
  - type: OpenAPI
    url: openapi/k6-load-zones-api-openapi.yml
- aid: k6:k6-projects-api
  name: K6 Projects API
  description: Manage k6 projects within a Grafana stack.
  humanURL: https://k6.io
  tags:
  - Projects
  properties:
  - type: OpenAPI
    url: openapi/k6-projects-api-openapi.yml
- aid: k6:k6-schedules-api
  name: K6 Schedules API
  description: Manage scheduled load-test execution.
  humanURL: https://k6.io
  tags:
  - Schedules
  properties:
  - type: OpenAPI
    url: openapi/k6-schedules-api-openapi.yml
- aid: k6:k6-test-runs-api
  name: K6 Test runs API
  description: Inspect and control load-test execution runs.
  humanURL: https://k6.io
  tags:
  - Test runs
  properties:
  - type: OpenAPI
    url: openapi/k6-test-runs-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/k6-agentic-access.yml
- type: DomainSecurity
  url: security/k6-domain-security.yml
- type: Authentication
  url: authentication/k6-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/k6io
- type: Website
  url: https://k6.io
- type: Documentation
  url: https://grafana.com/docs/k6/latest/
- type: GitHubOrganization
  url: https://github.com/grafana/k6
- url: https://grafana.com/tags/k6/
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

K6