Download Insomnia Core 12.3.0

Debug APIs like a human, not a robot! Cross-platform app for PC

Updated: January 16, 2026

Size: 473 MB

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473 MB · January 16, 2026

Insomnia.Core-12.3.0.exe

Previous versions More »

12.3.1 February 06, 2026 473 MB 12.3.0 January 16, 2026 473 MB 12.2.0 December 20, 2025 471 MB 12.1.0 November 23, 2025 477 MB 12.0.0 November 05, 2025 476 MB 11.6.2 October 23, 2025 205 MB