# Freeplay

**Canonical:** https://apis.io/providers/freeplay/  
**Website:** https://freeplay.ai/  
**APIs profiled:** 10

Freeplay is an LLM product experimentation, evaluation, and observability platform for cross-functional teams. Its HTTP API and SDKs make Freeplay the source of truth for prompt templates, record completions and sessions/traces from production, curate test datasets, run batch test runs and LLM-judge evaluations, and capture human and customer feedback.

## Kin Score — 38.4 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 38.4).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 51.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 47.4 |
| Access Clarity | 47.4 |

## Agent readiness — 29.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| 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 (10)

- **Freeplay Agents API** — List agents within a project.
- **Freeplay Completions API** — Record completions and aggregate completion statistics.
- **Freeplay Datasets API** — Curate datasets and their test cases.
- **Freeplay Feedback API** — Record completion-level and trace-level feedback.
- **Freeplay Projects API** — List workspace projects.
- **Freeplay Prompt Templates API** — Create, version, retrieve, and deploy prompt templates.
- **Freeplay Search API** — API-only search over sessions, traces, and completions.
- **Freeplay Sessions API** — List, search, and delete sessions.
- **Freeplay Test Runs API** — Create, list, and retrieve batch test runs.
- **Freeplay Traces API** — Record traces that group related completions.

## Agentic access (1)

- **Freeplay Agentic Access** — 29 operations · 18 acting

## Security (3)

- **Freeplay Authentication** — http · 1 scheme
- **Freeplay Domain Security** — TLSv1.3 · HSTS · DMARC
- **Freeplay Trust Center** — SOC 2, ISO 27001

## Plans (1)

- **Freeplay Plans Pricing**

## Tags

Artificial Intelligence, LLM, Evaluation, Observability, Prompt Management, Experimentation

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