Insomnia — API client (Open Source)

Insomnia is an open-source API client solution from Kong. Compare it against 2 other API client tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is Insomnia?

Insomnia is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under API client and published by Kong. Buyers typically evaluate Insomnia when they need a dependable API client option and want to weigh the trade-offs between free, open-source and paid tools before committing.

• Category: API client
• Brand: Kong
• License: Open Source

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Frequently asked questions

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