# Buildkite

**Canonical:** https://apis.io/providers/buildkite/  
**Website:** https://buildkite.com/  
**APIs profiled:** 20

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.

## Kin Score — 35.7 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 35.7).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 51.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 28.9 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 34.2 |
| Access Clarity | 34.2 |

## Agent readiness — 31.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (20)

- **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.

## Agentic access (1)

- **Buildkite Agentic Access** — 74 operations · 39 acting · 5 human-in-the-loop

## Security (3)

- **Buildkite Authentication** — http · 1 scheme
- **Buildkite Domain Security** — TLSv1.3 · HSTS · DMARC
- **Buildkite Trust Center** — SOC 2

## Plans (1)

- **Buildkite Plans Pricing**

## Tags

DevOps, CI/CD, Pipelines, Agents, Self-Hosted, GraphQL, Test Engine

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/buildkite/). Scores are computed from the provider's own public artifacts under a published rubric.