
APIFiddler is a free AI-powered platform for testing, debugging, and documenting REST APIs. It delivers performance analysis, security scans, and professional reports instantly with no registration required.
Stop stacking subscriptions. Call every data provider - emails, phones, enrichment, intent - from Claude Code, billed by credits, on a single API key.
Free to start. No credit card required.
Stop managing 39 tools. Ship GTM from Claude Code with ColdIQ.
Get startedWe're working on creating a detailed video review for APIFiddler.
APIFiddler is recommended for developers who need free, AI-powered tools to quickly test, analyze, and secure REST APIs without registration. It helps anyone looking for fast performance checks, security scans, and automatic documentation.
No pricing info on the website
Don't want a APIFiddler subscription?
Get APIFiddler and your whole GTM stack from one API key with ColdIQ.
With APIFiddler, simply enter your API endpoint details and start testing instantly—no setup or registration needed. The platform then uses AI to analyze and generate reports, making it effortless to get actionable insights in under 30 seconds.