Insomnia vs Resend

Funding, tech stack, customers, and competitors compared

Insomnia is an open-source API design, debugging, and testing platform owned by Kong Inc., enabling developers and engineering teams to build and test REST, GraphQL, and gRPC APIs. It serves individual developers through enterprise engineering teams with freemium and paid collaboration tiers.

SaaSInfrastructure/DevTools

Resend is a developer-focused transactional and marketing email API platform that enables engineering teams to send emails programmatically with high deliverability. It targets developers and SaaS companies with a modern API-first architecture and React Email integration.

SaaSInfrastructure/DevTools
DimensionInsomniaResend
VerticalSaaSSaaS
SegmentInfrastructure/DevToolsInfrastructure/DevTools
Founded
Employees11-5011-50
Location
FundingGrowth ($5M)more funded
G2 Rating
Pricing Page
HTTPS

Notable Customers

Insomnia

millions of API developers worldwide

Resend

trustworthy senders with distributed workloads across different IP pools

Known Competitors

Insomnia

PostmanInsomnia vs VSCode REST vs Bruno - YouTube

Resend

Resend for email deliveryResend

Recent News

Insomnia

  • Changelog - Insomnia
  • Introducing Insomnia Designer
  • Insomnia 8.0: Advanced AI and Collaborative Capabilities | Kong Inc.

Resend

  • new.email Public Launch - Resend
  • Resend Forward • Nov, 2025
  • Resend · Email for developers

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Insomnia vs Resend | Company Comparison | Kustiq