Aperio

Pricing

Free forever. Open source.

Aperio is a free docs engine: playground, reference, lint, mock, diff, and embed. Self-host or embed on your domain — no seat tax.

Community

$0/forever

Everything you need to document and explore APIs.

  • Interactive OpenAPI / Swagger reference
  • Try-it-out request client
  • 10-language code samples
  • OpenAPI linter & quality score
  • Mock responses from your spec
  • Spec diff / compare
  • Embeddable reference iframe
  • Environments & request history
  • Dark / light themes
  • Self-host (MIT) or use free cloud
  • No seat limits · no signup
Start building docs

Self-host: git clone https://github.com/sachinkr7368/aperio.git