Semaphore website screenshot

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.

47.8/100 developing ▬ flat Agent 45/100 agent ready Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serve⚡ Free to try
11 APIs
CI/CDContinuous IntegrationContinuous DeliveryPipelinesWorkflowsDevOpsBuild AutomationSoftware DeliveryDeploymentArtifacts

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 47.8/100 · developing
Contract Quality 17.6 / 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 — 45/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
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
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.

Semaphore Dashboards API

Dashboard management

Semaphore DeploymentTargets API

Deployment target management

Semaphore Notifications API

Notification management

Semaphore Pipelines API

Pipeline management

Semaphore Projects API

Project management

Semaphore ProjectSecrets API

Project-level secrets

Semaphore Secrets API

Organization-level secrets

Semaphore SelfHostedAgents API

Self-hosted agent management

Semaphore SelfHostedAgentTypes API

Self-hosted agent type management

Semaphore Tasks API

Task management

Semaphore Workflows API

Workflow management

Scroll for all 11

Pricing Plans 1

Published pricing tiers and plan structures.

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.

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Semaphore Context

18 classes · 18 properties

JSON-LD

Security Posture 4

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

Semaphore Authentication

http · 1 scheme

SECURITY

Semaphore Domain Security

TLSv1.3 · DMARC

SECURITY

Semaphore Vulnerability Disclosure

disclosure policy published

SECURITY

Semaphore Trust Center

SOC 2, ISO 27001, PCI DSS

SECURITY

Agentic Access 1

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

Semaphore Agentic Access

59 operations · 35 acting · 3 human-in-the-loop

59 operations · 35 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 4

Authentication, authorization, and security posture

Operate 2

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
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: '0.19'
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:
  - 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:
  - 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:
  - 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