# Agent Diff

**Canonical:** https://apis.io/providers/agent-diff/  
**Website:** https://www.agentdiff.dev/  
**APIs profiled:** 2

Agent Diff creates isolated, ephemeral replicas of third-party APIs (Slack, Linear, GitHub). Agents interact with these sandboxes to produce deterministic state-change diffs without side effects, rate limits, or real API calls. Ideal for testing AI agents that interact with external APIs.

## Kin Score — 37.6 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 37.6).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 67.8 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 33.3 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 41.9 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | verified |
| 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 (2)

- **Agent Diff Diffs API** — The Diffs API from Agent Diff — 1 operation(s) for diffs.
- **Agent Diff Sandboxes API** — The Sandboxes API from Agent Diff — 2 operation(s) for sandboxes.

## Agentic access (1)

- **Agent Diff Agentic Access** — 5 operations · 2 acting

## Security (2)

- **Agent Diff Authentication** — http · 1 scheme
- **Agent Diff Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Agent Diff Plans Pricing**

## Tags

API Testing, AI Agents, Sandboxing, API Diffing, Developer Tools

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