Buildkite website screenshot

Buildkite

Buildkite is a CI/CD platform with self-hosted agents and a hosted control plane. The platform exposes a REST API, a GraphQL API and an Agent API used by buildkite-agent. Resources include organizations, pipelines, pipeline templates, builds, jobs, agents, clusters, queues, teams, rules, artifacts, annotations, and access tokens. Test Engine adds test execution and analytics endpoints.

Buildkite publishes 17 APIs on the APIs.io network, including AccessToken API, Agents API, AgentTokens API, and 14 more. Tagged areas include DevOps, CI/CD, Pipelines, Agents, and Self-Hosted.

Buildkite’s developer surface includes authentication, documentation, pricing, GitHub presence, engineering blog, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
43.4/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
20 APIs
DevOpsCI/CDPipelinesAgentsSelf-HostedGraphQLTest Engine

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 43.4/100 · developing
Contract Quality 13.3 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 11.6 / 20
Operational Transparency 6.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 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/buildkite: 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 20

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

Buildkite REST API

JSON over HTTPS REST API for the Buildkite control plane. Bearer-token auth with API access tokens.

Buildkite GraphQL API

Relay-compliant GraphQL API. Single endpoint for nested queries across organizations, pipelines, builds, jobs, agents, teams. Introspection supported. Bearer auth with the "Enab...

Buildkite Agent API

API consumed by buildkite-agent — register, retrieve work, send job events and upload artifacts/annotations. Used by self-hosted and hosted agents.

Buildkite AccessToken API

The AccessToken API from Buildkite — 1 operation(s) for accesstoken.

Buildkite Agents API

The Agents API from Buildkite — 5 operation(s) for agents.

Buildkite AgentTokens API

The AgentTokens API from Buildkite — 2 operation(s) for agenttokens.

Buildkite Annotations API

The Annotations API from Buildkite — 2 operation(s) for annotations.

Buildkite Artifacts API

The Artifacts API from Buildkite — 4 operation(s) for artifacts.

Buildkite Builds API

The Builds API from Buildkite — 6 operation(s) for builds.

Buildkite Clusters API

The Clusters API from Buildkite — 2 operation(s) for clusters.

Buildkite Emojis API

The Emojis API from Buildkite — 1 operation(s) for emojis.

Buildkite Jobs API

The Jobs API from Buildkite — 5 operation(s) for jobs.

Buildkite Meta API

The Meta API from Buildkite — 1 operation(s) for meta.

Buildkite Organizations API

The Organizations API from Buildkite — 4 operation(s) for organizations.

Buildkite Pipelines API

The Pipelines API from Buildkite — 5 operation(s) for pipelines.

Buildkite PipelineTemplates API

The PipelineTemplates API from Buildkite — 2 operation(s) for pipelinetemplates.

Buildkite Queues API

The Queues API from Buildkite — 4 operation(s) for queues.

Buildkite Rules API

The Rules API from Buildkite — 2 operation(s) for rules.

Buildkite Teams API

The Teams API from Buildkite — 2 operation(s) for teams.

Buildkite User API

The User API from Buildkite — 1 operation(s) for user.

Scroll for all 20

Open Collections 1

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

Buildkite REST API

OPEN COLLECTION

GraphQL 1

GraphQL schemas published by this provider.

Buildkite GraphQL API

Relay-compliant GraphQL API. Single endpoint for nested queries across organizations, pipelines, builds, jobs, agents, teams. Introspection supported. Bearer auth with the "Enab...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Buildkite Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Buildkite Rate Limits

3 limits

RATE LIMITS

FinOps 1

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

Buildkite Finops

FINOPS

Security Posture 3

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

Buildkite Authentication

http · 1 scheme

SECURITY

Buildkite Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Buildkite Trust Center

SOC 2

SECURITY

Agentic Access 1

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

Buildkite Agentic Access

74 operations · 39 acting · 5 human-in-the-loop

74 operations · 39 acting

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

GitHub
GitHub

Access & Security 3

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 2

Status, limits, changes, and where to get help

StatusPage
StatusPage
 RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: buildkite
url: https://raw.githubusercontent.com/api-evangelist/buildkite/refs/heads/main/apis.yml
name: Buildkite
kind: company
description: Buildkite is a CI/CD platform with self-hosted agents and a hosted control plane. The platform exposes a REST
  API, a GraphQL API and an Agent API used by buildkite-agent. Resources include organizations, pipelines, pipeline templates,
  builds, jobs, agents, clusters, queues, teams, rules, artifacts, annotations, and access tokens. Test Engine adds test execution
  and analytics endpoints.
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/buildkite.png
tags:
- DevOps
- CI/CD
- Pipelines
- Agents
- Self-Hosted
- GraphQL
- Test Engine
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
- aid: buildkite:rest
  name: Buildkite REST API
  description: JSON over HTTPS REST API for the Buildkite control plane. Bearer-token auth with API access tokens.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - REST
  - Pipelines
  - Builds
  - Agents
  - Clusters
  properties:
  - type: Documentation
    url: https://buildkite.com/docs/apis/rest-api
  - type: Authentication
    url: https://buildkite.com/docs/apis/managing-api-tokens
- aid: buildkite:graphql
  name: Buildkite GraphQL API
  description: Relay-compliant GraphQL API. Single endpoint for nested queries across organizations, pipelines, builds, jobs,
    agents, teams. Introspection supported. Bearer auth with the "Enable GraphQL API Access" scope.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://buildkite.com/docs/apis/graphql-api
  baseURL: https://graphql.buildkite.com/v1
  tags:
  - GraphQL
  - Relay
  properties:
  - type: Documentation
    url: https://buildkite.com/docs/apis/graphql-api
  - type: Console
    url: https://buildkite.com/user/graphql/console
  - url: graphql/buildkite-graphql.md
    type: GraphQL
- aid: buildkite:agent-api
  name: Buildkite Agent API
  description: API consumed by buildkite-agent — register, retrieve work, send job events and upload artifacts/annotations.
    Used by self-hosted and hosted agents.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://buildkite.com/docs/apis/agent-api
  baseURL: https://agent.buildkite.com/v3
  tags:
  - REST
  - Agent
  - Internal
  properties:
  - type: Documentation
    url: https://buildkite.com/docs/apis/agent-api
- aid: buildkite:buildkite-accesstoken-api
  name: Buildkite AccessToken API
  description: The AccessToken API from Buildkite — 1 operation(s) for accesstoken.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - AccessToken
  properties:
  - type: OpenAPI
    url: openapi/buildkite-accesstoken-api-openapi.yml
- aid: buildkite:buildkite-agents-api
  name: Buildkite Agents API
  description: The Agents API from Buildkite — 5 operation(s) for agents.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Agents
  properties:
  - type: OpenAPI
    url: openapi/buildkite-agents-api-openapi.yml
- aid: buildkite:buildkite-agenttokens-api
  name: Buildkite AgentTokens API
  description: The AgentTokens API from Buildkite — 2 operation(s) for agenttokens.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - AgentTokens
  properties:
  - type: OpenAPI
    url: openapi/buildkite-agenttokens-api-openapi.yml
- aid: buildkite:buildkite-annotations-api
  name: Buildkite Annotations API
  description: The Annotations API from Buildkite — 2 operation(s) for annotations.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Annotations
  properties:
  - type: OpenAPI
    url: openapi/buildkite-annotations-api-openapi.yml
- aid: buildkite:buildkite-artifacts-api
  name: Buildkite Artifacts API
  description: The Artifacts API from Buildkite — 4 operation(s) for artifacts.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Artifacts
  properties:
  - type: OpenAPI
    url: openapi/buildkite-artifacts-api-openapi.yml
- aid: buildkite:buildkite-builds-api
  name: Buildkite Builds API
  description: The Builds API from Buildkite — 6 operation(s) for builds.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Builds
  properties:
  - type: OpenAPI
    url: openapi/buildkite-builds-api-openapi.yml
- aid: buildkite:buildkite-clusters-api
  name: Buildkite Clusters API
  description: The Clusters API from Buildkite — 2 operation(s) for clusters.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Clusters
  properties:
  - type: OpenAPI
    url: openapi/buildkite-clusters-api-openapi.yml
- aid: buildkite:buildkite-emojis-api
  name: Buildkite Emojis API
  description: The Emojis API from Buildkite — 1 operation(s) for emojis.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Emojis
  properties:
  - type: OpenAPI
    url: openapi/buildkite-emojis-api-openapi.yml
- aid: buildkite:buildkite-jobs-api
  name: Buildkite Jobs API
  description: The Jobs API from Buildkite — 5 operation(s) for jobs.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Jobs
  properties:
  - type: OpenAPI
    url: openapi/buildkite-jobs-api-openapi.yml
- aid: buildkite:buildkite-meta-api
  name: Buildkite Meta API
  description: The Meta API from Buildkite — 1 operation(s) for meta.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Meta
  properties:
  - type: OpenAPI
    url: openapi/buildkite-meta-api-openapi.yml
- aid: buildkite:buildkite-organizations-api
  name: Buildkite Organizations API
  description: The Organizations API from Buildkite — 4 operation(s) for organizations.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Organizations
  properties:
  - type: OpenAPI
    url: openapi/buildkite-organizations-api-openapi.yml
- aid: buildkite:buildkite-pipelines-api
  name: Buildkite Pipelines API
  description: The Pipelines API from Buildkite — 5 operation(s) for pipelines.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Pipelines
  properties:
  - type: OpenAPI
    url: openapi/buildkite-pipelines-api-openapi.yml
- aid: buildkite:buildkite-pipelinetemplates-api
  name: Buildkite PipelineTemplates API
  description: The PipelineTemplates API from Buildkite — 2 operation(s) for pipelinetemplates.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - PipelineTemplates
  properties:
  - type: OpenAPI
    url: openapi/buildkite-pipelinetemplates-api-openapi.yml
- aid: buildkite:buildkite-queues-api
  name: Buildkite Queues API
  description: The Queues API from Buildkite — 4 operation(s) for queues.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Queues
  properties:
  - type: OpenAPI
    url: openapi/buildkite-queues-api-openapi.yml
- aid: buildkite:buildkite-rules-api
  name: Buildkite Rules API
  description: The Rules API from Buildkite — 2 operation(s) for rules.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Rules
  properties:
  - type: OpenAPI
    url: openapi/buildkite-rules-api-openapi.yml
- aid: buildkite:buildkite-teams-api
  name: Buildkite Teams API
  description: The Teams API from Buildkite — 2 operation(s) for teams.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - Teams
  properties:
  - type: OpenAPI
    url: openapi/buildkite-teams-api-openapi.yml
- aid: buildkite:buildkite-user-api
  name: Buildkite User API
  description: The User API from Buildkite — 1 operation(s) for user.
  humanURL: https://buildkite.com/docs/apis/rest-api
  baseURL: https://api.buildkite.com/v2
  tags:
  - User
  properties:
  - type: OpenAPI
    url: openapi/buildkite-user-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/buildkite-agentic-access.yml
- type: TrustCenter
  url: security/buildkite-trust-center.yml
- type: DomainSecurity
  url: security/buildkite-domain-security.yml
- type: Authentication
  url: authentication/buildkite-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/buildkite
- type: Website
  url: https://buildkite.com/
- type: Documentation
  url: https://buildkite.com/docs
- type: Pricing
  url: https://buildkite.com/pricing
- type: GitHub
  url: https://github.com/buildkite
- type: StatusPage
  url: https://buildkitestatus.com/
- type: Plans
  url: plans/buildkite-plans-pricing.yml
- type: RateLimits
  url: rate-limits/buildkite-rate-limits.yml
- type: FinOps
  url: finops/buildkite-finops.yml
- type: Blog
  url: https://buildkite.com/blog.atom
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com