# Hoverfly

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

Hoverfly is an open source API simulation tool for creating realistic mock services and capturing-replaying HTTP traffic for testing.

## Kin Score — 23.7 / 100 (emerging)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 23.7).

| Facet | Score |
|---|---|
| Discoverability | 46.3 |
| Contract Quality | 43.9 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 23.7 |
| Developer Ergonomics | 9.5 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 20.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| 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 |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (10)

- **Hoverfly Cache API** — Inspect and clear the cache of matched request-response pairs.
- **Hoverfly Diff API** — Inspect and clear response difference reports.
- **Hoverfly Hoverfly API** — Manage Hoverfly runtime configuration.
- **Hoverfly Journal API** — Inspect and filter the journal of intercepted requests.
- **Hoverfly Logs API** — Retrieve runtime logs.
- **Hoverfly Post-Serve Actions API** — Manage post-serve actions executed after responses are served.
- **Hoverfly Simulation API** — Manage simulation request-response pairs and metadata.
- **Hoverfly State API** — Manage stateful keys used during simulation.
- **Hoverfly System API** — System-level controls.
- **Hoverfly Templating Data API** — Manage CSV-based templating data sources.

## Agentic access (1)

- **Hoverfly Agentic Access** — 42 operations · 23 acting · 1 human-in-the-loop

## Security (1)

- **Hoverfly Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Hoverfly Plans Pricing**

## Tags

Mocking, Testing

---

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