# Vegeta

**Canonical:** https://apis.io/providers/vegeta/  
**APIs profiled:** 1

Vegeta is an open source HTTP load testing tool and library written in Go for generating constant request rates to measure API performance and reliability under sustained load. Supports CLI and library usage with attack plans, rate limiting, duration control, and detailed result metrics including latency histograms and success rates.

## Kin Score — 18.9 / 100 (emerging)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 18.9).

| Facet | Score |
|---|---|
| Discoverability | 59.3 |
| Contract Quality | 14.1 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 9.5 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 3.0 (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 |

## Access

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

## APIs (1)

- **Vegeta Load Testing Tool** — Vegeta is an open source HTTP load testing tool and library written in Go for generating constant request rates. Supports targets from files or stdin, rate limiting (req/s), dur...

## Plans (1)

- **Vegeta Plans Pricing**

## Use cases (4)

- **API Performance Benchmarking** — Measure API throughput, latency percentiles, and success rates at various request rates to establish performance baselines and SLA compliance.
- **Load Testing in CI/CD** — Integrate vegeta as a library in Go test suites to run automated load tests as part of continuous integration pipelines.
- **Capacity Planning** — Determine maximum sustainable request rates before latency degradation or error rates exceed acceptable thresholds for capacity planning.
- **Regression Detection** — Compare latency and throughput metrics across API versions to detect performance regressions before deployment to production.

## Tags

Go, HTTP, Load Testing, Performance, Testing

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