# Fusio vs whois — Fit & Features

Canonical: https://trutool.co/compare/fusio-vs-whois
Author: Snehil (https://trutool.co/authors/snehil)

Compare Fusio and whois by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### Fusio
Fusio is an open source API management platform designed for API builders and developers.
Best fit: People and teams evaluating developer tools for a specific workflow.
- Core product workflow
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://www.fusio-project.org/
- [Read Fusio profile](https://trutool.co/tools/fusio): Read Fusio profile

### whois
Self-hosted WHOIS/RDAP API and MCP server for domains, IPv4/IPv6, CIDRs and ASNs.
Best fit: People and teams evaluating developer tools for a specific workflow.
- Core product workflow
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://github.com/pricing
- [Read whois profile](https://trutool.co/tools/whois): Read whois profile