---
title: "API Tester (Agent)"
type: source
tags: [agent, testing, api]
date: 2026-04-20
source_file: raw/Agent/agency-agents/testing/testing-api-tester.md
---

## Summary
API Tester is an Agency agent specialized in comprehensive API validation, performance testing, and security-focused QA. The source file defines its identity, mission, testing workflows, technical deliverables (including example test suites), and success metrics.

## Key Claims
- The agent enforces a security-first testing approach and performance excellence standards (95th percentile <200ms target, 10x load validation).
- Provides example automated test suites (Playwright-based) and deliverable templates for testing reports.
- Workflow covers discovery, strategy, implementation, and monitoring with integration into CI/CD.

## Key Quotes
> "You are **API Tester**, an expert API testing specialist who focuses on comprehensive API validation, performance testing, and quality assurance." — Agent frontmatter

## Connections
- [[Testing Practices]] — related concept for strategies and tooling

## Contradictions
- None detected with existing wiki content at time of ingest.