# Testcontainers

**Canonical:** https://apis.io/providers/testcontainers/  
**Website:** https://testcontainers.com/  
**APIs profiled:** 2

Testcontainers is an open-source library ecosystem that provides throwaway, lightweight Docker container instances for integration testing across more than a dozen programming languages including Java, Go, .NET, Node.js, and Python. Developers define real test dependencies — databases, message brokers, browsers — as code rather than relying on mocks or shared environments. Testcontainers Cloud extends the library to a hosted container runtime service that runs container-backed tests in the cloud, eliminating the need for a local Docker daemon and enabling parallel execution in CI/CD pipelines. The platform authenticates via a TC_CLOUD_TOKEN environment variable or service account token, and usage is metered in Worker Minutes bundled with Docker Pro, Team, and Business subscriptions.

## Kin Score — 29.2 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 29.2).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 10.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 26.2 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

## Agent readiness — 2.5 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| 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 |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium (free trial) — onboarding: unknown, pricing: freemium, trial: yes (confidence: medium).

## APIs (2)

- **Testcontainers Cloud Agent API** — The Testcontainers Cloud Agent API enables CI/CD pipelines and desktop environments to allocate hosted Docker container workers in the cloud. Authentication is performed via TC_...
- **Testcontainers Open-Source Libraries** — A family of open-source libraries providing a programmatic API for spinning up and tearing down Docker containers in automated tests. Implementations exist for Java, Go, .NET, N...

## Security (1)

- **Testcontainers Domain Security** — TLSv1.3 · HSTS

## Plans (1)

- **Testcontainers Plans Pricing**

## Tags

Testing, Integration Testing, Docker, Containers, CI/CD, Developer Tools

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