Semaphore

Semaphore is a cloud-based CI/CD platform designed for high-performance engineering teams, providing fast and reliable continuous integration and continuous delivery pipelines. The platform offers a comprehensive REST API that enables programmatic management of pipelines, workflows, jobs, secrets, projects, and deployment targets for software delivery automation. Semaphore supports OAS 3.0-compliant API definitions with Swagger documentation, covering resources such as artifacts, test results, self-hosted agents, and build insights. Teams can use the API to integrate with external tools, build custom interfaces, trigger promotions, and automate their entire software delivery lifecycle.

Semaphore publishes 11 APIs on the APIs.io network, including Dashboards API, DeploymentTargets API, Notifications API, and 8 more. Tagged areas include CI/CD, Continuous Integration, Continuous Delivery, Pipelines, and Workflows.

The Semaphore catalog on APIs.io includes 1 JSON-LD context.

Semaphore’s developer surface includes authentication, documentation, engineering blog, pricing, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub

46.9/100 developing ▬ flat Agent 31/100 agent ready Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemiumSelf serve⚡ Free to try

11 APIs

CI/CD Continuous Integration Continuous Delivery Pipelines Workflows DevOps Build Automation Software Delivery Deployment Artifacts

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 46.9/100 · developing

Contract Quality 16.3 / 25

Developer Ergonomics 4.8 / 20

Access Clarity 11.6 / 20

Operational Transparency 6.8 / 13

Contract Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 31/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 7 / 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

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/semaphore: 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 11

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

Open Collections 12

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

Rate Limits 1

Documented rate limits and quota policies.

Semaphore Rate Limits

6 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

GitHubOrg

GitHubOrg

Access & Security 4

Authentication, authorization, and security posture

TrustCenter

TrustCenter

VulnerabilityDisclosure

VulnerabilityDisclosure

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

Website

Website

LinkedIn

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

aid: semaphore
name: Semaphore
description: Semaphore is a cloud-based CI/CD platform designed for high-performance engineering teams, providing fast and
  reliable continuous integration and continuous delivery pipelines. The platform offers a comprehensive REST API that enables
  programmatic management of pipelines, workflows, jobs, secrets, projects, and deployment targets for software delivery automation.
  Semaphore supports OAS 3.0-compliant API definitions with Swagger documentation, covering resources such as artifacts, test
  results, self-hosted agents, and build insights. Teams can use the API to integrate with external tools, build custom interfaces,
  trigger promotions, and automate their entire software delivery lifecycle.
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/semaphore.png
url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/apis.yml
created: '2026-06-12'
modified: '2026-06-12'
specificationVersion: '0.23'
tags:
- CI/CD
- Continuous Integration
- Continuous Delivery
- Pipelines
- Workflows
- DevOps
- Build Automation
- Software Delivery
- Deployment
- Artifacts
apis:
- aid: semaphore:semaphore-dashboards-api
  name: Semaphore Dashboards API
  description: Dashboard management
  humanURL: https://semaphore.io/product/api
  baseURL: https://{organization}.semaphoreci.com/api/v1alpha
  tags:
  - Dashboards
  properties:
  - type: OpenAPI
    url: openapi/semaphore-dashboards-api-openapi.yml
  - type: Documentation
    url: https://docs.semaphore.io/reference/api
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/vocabulary/semaphore-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/json-ld/semaphore-context.jsonld
- aid: semaphore:semaphore-deploymenttargets-api
  name: Semaphore DeploymentTargets API
  description: Deployment target management
  humanURL: https://semaphore.io/product/api
  baseURL: https://{organization}.semaphoreci.com/api/v1alpha
  tags:
  - DeploymentTargets
  properties:
  - type: OpenAPI
    url: openapi/semaphore-deploymenttargets-api-openapi.yml
  - type: Documentation
    url: https://docs.semaphore.io/reference/api
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/vocabulary/semaphore-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/json-ld/semaphore-context.jsonld
- aid: semaphore:semaphore-notifications-api
  name: Semaphore Notifications API
  description: Notification management
  humanURL: https://semaphore.io/product/api
  baseURL: https://{organization}.semaphoreci.com/api/v1alpha
  tags:
  - Notification
  tags_raw:
  - Notifications
  properties:
  - type: OpenAPI
    url: openapi/semaphore-notifications-api-openapi.yml
  - type: Documentation
    url: https://docs.semaphore.io/reference/api
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/vocabulary/semaphore-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/json-ld/semaphore-context.jsonld
- aid: semaphore:semaphore-pipelines-api
  name: Semaphore Pipelines API
  description: Pipeline management
  humanURL: https://semaphore.io/product/api
  baseURL: https://{organization}.semaphoreci.com/api/v1alpha
  tags:
  - Pipelines
  properties:
  - type: OpenAPI
    url: openapi/semaphore-pipelines-api-openapi.yml
  - type: Documentation
    url: https://docs.semaphore.io/reference/api
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/vocabulary/semaphore-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/json-ld/semaphore-context.jsonld
- aid: semaphore:semaphore-projects-api
  name: Semaphore Projects API
  description: Project management
  humanURL: https://semaphore.io/product/api
  baseURL: https://{organization}.semaphoreci.com/api/v1alpha
  tags:
  - Project
  tags_raw:
  - Projects
  properties:
  - type: OpenAPI
    url: openapi/semaphore-projects-api-openapi.yml
  - type: Documentation
    url: https://docs.semaphore.io/reference/api
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/vocabulary/semaphore-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/json-ld/semaphore-context.jsonld
- aid: semaphore:semaphore-projectsecrets-api
  name: Semaphore ProjectSecrets API
  description: Project-level secrets
  humanURL: https://semaphore.io/product/api
  baseURL: https://{organization}.semaphoreci.com/api/v1alpha
  tags:
  - ProjectSecrets
  properties:
  - type: OpenAPI
    url: openapi/semaphore-projectsecrets-api-openapi.yml
  - type: Documentation
    url: https://docs.semaphore.io/reference/api
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/vocabulary/semaphore-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/json-ld/semaphore-context.jsonld
- aid: semaphore:semaphore-secrets-api
  name: Semaphore Secrets API
  description: Organization-level secrets
  humanURL: https://semaphore.io/product/api
  baseURL: https://{organization}.semaphoreci.com/api/v1alpha
  tags:
  - Secrets
  properties:
  - type: OpenAPI
    url: openapi/semaphore-secrets-api-openapi.yml
  - type: Documentation
    url: https://docs.semaphore.io/reference/api
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/vocabulary/semaphore-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/json-ld/semaphore-context.jsonld
- aid: semaphore:semaphore-selfhostedagents-api
  name: Semaphore SelfHostedAgents API
  description: Self-hosted agent management
  humanURL: https://semaphore.io/product/api
  baseURL: https://{organization}.semaphoreci.com/api/v1alpha
  tags:
  - SelfHostedAgents
  properties:
  - type: OpenAPI
    url: openapi/semaphore-selfhostedagents-api-openapi.yml
  - type: Documentation
    url: https://docs.semaphore.io/reference/api
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/vocabulary/semaphore-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/json-ld/semaphore-context.jsonld
- aid: semaphore:semaphore-selfhostedagenttypes-api
  name: Semaphore SelfHostedAgentTypes API
  description: Self-hosted agent type management
  humanURL: https://semaphore.io/product/api
  baseURL: https://{organization}.semaphoreci.com/api/v1alpha
  tags:
  - SelfHostedAgentTypes
  properties:
  - type: OpenAPI
    url: openapi/semaphore-selfhostedagenttypes-api-openapi.yml
  - type: Documentation
    url: https://docs.semaphore.io/reference/api
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/vocabulary/semaphore-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/json-ld/semaphore-context.jsonld
- aid: semaphore:semaphore-tasks-api
  name: Semaphore Tasks API
  description: Task management
  humanURL: https://semaphore.io/product/api
  baseURL: https://{organization}.semaphoreci.com/api/v1alpha
  tags:
  - Task
  tags_raw:
  - Tasks
  properties:
  - type: OpenAPI
    url: openapi/semaphore-tasks-api-openapi.yml
  - type: Documentation
    url: https://docs.semaphore.io/reference/api
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/vocabulary/semaphore-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/json-ld/semaphore-context.jsonld
- aid: semaphore:semaphore-workflows-api
  name: Semaphore Workflows API
  description: Workflow management
  humanURL: https://semaphore.io/product/api
  baseURL: https://{organization}.semaphoreci.com/api/v1alpha
  tags:
  - Workflows
  properties:
  - type: OpenAPI
    url: openapi/semaphore-workflows-api-openapi.yml
  - type: Documentation
    url: https://docs.semaphore.io/reference/api
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/vocabulary/semaphore-vocabulary.yml
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/semaphore/refs/heads/main/json-ld/semaphore-context.jsonld
common:
- type: AgenticAccess
  url: agentic-access/semaphore-agentic-access.yml
- type: TrustCenter
  url: security/semaphore-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/semaphore-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/semaphore-domain-security.yml
- type: Authentication
  url: authentication/semaphore-authentication.yml
- type: Website
  url: https://semaphore.io
- type: Documentation
  url: https://docs.semaphore.io
- type: GitHubOrg
  url: https://github.com/semaphoreci
- type: LinkedIn
  url: https://www.linkedin.com/company/semaphore-software
- type: Blog
  url: https://semaphore.io/blog
- type: Pricing
  url: https://semaphore.io/pricing
- type: StatusPage
  url: https://status.semaphore.io
- type: X
  url: https://twitter.com/semaphoreci
- type: Plans
  url: plans/semaphore-plans-pricing.yml
- type: RateLimits
  url: rate-limits/semaphore-rate-limits.yml
- type: FinOps
  url: finops/semaphore-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools

Call it yourself

curl for this page

This provider

curl "https://apis.io/api/v1/providers/semaphore"

All providers

curl "https://apis.io/api/v1/providers?limit=25"

Every operation they expose

curl "https://apis.io/api/v1/providers/semaphore/operations?limit=25"

How their score was established

curl "https://apis.io/api/v1/providers/semaphore/evidence"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.