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Insomnia vs Manifest API Bot
Short answer: Pick Insomnia if you want collaborative AI-native API testing; pick Manifest API Bot if you want automated PRs for API breaking changes. Insomnia has a free plan; Manifest API Bot has a free plan, paid from $19/month.
InsomniaOpen-source API client for REST, GraphQL and gRPC
Manifest API BotManifest API Bot watches the APIs your app depends on and opens a pull request with the changes…Which to pick
Pick Insomnia if you want…
- Collaborative AI-native API testing
- API exploration and debugging
- Open-source code (Kong/insomnia on GitHub, Apache-2.0 license)
- Integrations with Kong Konnect, OIDC or SAML (on Insomnia's list, not Manifest API Bot's)
Pick Manifest API Bot if you want…
- Automated PRs for API breaking changes
- Integrations with GitHub (on Manifest API Bot's list, not Insomnia's)
Side by side
- What it is
- Insomnia:Insomnia is an open-source API client for designing, testing, debugging and mocking REST, GraphQL, gRPC, SOAP and WebSocket APIs.
- Manifest API Bot:Manifest API Bot is a GitHub App that detects upstream API changes and opens pull requests with required code updates.
- Best for
- Insomnia:Collaborative AI-native API testing
- Manifest API Bot:Automated PRs for API breaking changes
- Who it’s for
- Insomnia:API developers, security-focused teams, and organizations needing collaborative API workflows.
- Manifest API Bot:Developers who maintain code that calls external APIs and want automated break-change handling.
- Pricing
- Insomnia:Freemium
- Manifest API Bot:Freemium
- Starting price
- Insomnia:—
- Manifest API Bot:$19/month (Pro)
- Free plan or trial
- Insomnia:Free trial
- Manifest API Bot:Free plan (Free)
- Plans
- Insomnia:—
- Manifest API Bot:Free $0 per month · Pro $19 per month
- Open source
- Insomnia:Yes, 40,038 GitHub stars
- Manifest API Bot:—
- Works with
- Insomnia:Kong Konnect, OIDC, SAML, SCIM, Inso CLI
- Manifest API Bot:GitHub
Insomnia features
- Design-first API editor. Create and preview OpenAPI specs in real time with live linting.
- Native API mocking. Generate dynamic mock responses from collections, specs or plain language.
- Automated testing at scale. Run unlimited collection tests with pre/post scripts and CI/CD integration via Inso CLI.
- Kong Konnect integration. Sync API catalog directly with Kong Konnect for up-to-date endpoint discovery.
- Collaboration & RBAC. Real-time project sharing, role-based access controls and unlimited collaborators per project.
- Flexible storage options. Store data locally, in Git, in the cloud, or hybrid with end-to-end encryption.
- Enterprise identity & security. SSO via OIDC/SAML, SCIM provisioning, SOC 2 compliance and enterprise SLAs.
- MCP client support. Test and debug MCP servers with AI-powered workflows.
Manifest API Bot features
- 1-click GitHub install. Add the bot to a repository with a single click.
- API usage detection. Scans the codebase to identify all external APIs used.
- Daily documentation monitoring. Checks providers' docs each day for breaking changes.
- Automated fix PRs. Creates a pull request with code modifications when an API change is detected.
- Supports any API. Works with any external API, not limited to specific providers.
Insomnia vs Manifest API Bot FAQ
What is the difference between Insomnia and Manifest API Bot?+
Insomnia is a REST/GraphQL client focused on manual testing, not PR generation.
Should I use Insomnia or Manifest API Bot?+
Pick Insomnia if you want collaborative AI-native API testing, API exploration and debugging or open-source code (Kong/insomnia on GitHub, Apache-2.0 license). Pick Manifest API Bot if you want automated PRs for API breaking changes or integrations with GitHub (on Manifest API Bot's list, not Insomnia's).
Is Insomnia or Manifest API Bot free?+
Insomnia has a free plan and paid plans. Manifest API Bot has a free plan; paid plans start at $19/month (Pro).
Is Insomnia or Manifest API Bot open source?+
Insomnia is open source (Kong/insomnia on GitHub, Apache-2.0 license). DevHunt has no public source repository on record for Manifest API Bot.
Do Insomnia and Manifest API Bot integrate with the same tools?+
Their integration lists don't overlap: Insomnia lists Kong Konnect, OIDC, SAML, SCIM and 1 more; Manifest API Bot lists GitHub.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.