APIgen is an AI-powered generator that transforms ideas into production-ready REST APIs and Angular frontends. It allows users to define data models manually or via AI to instantly create full application stacks.
| Best for | Developers building full application stacks |
| Website | apigen.app |
Company facts
| Social profiles | GitHub |
Facilities and features
- Self-serve sign-up
- API
What stands out
The AI tool synthesises a full REST API for entity CRUD alongside a matching Angular web dashboard.
“Trigger code generation to synthesize a full REST API for full entity CRUD alongside a matching Angular web dashboard.”APIgen, own website
APIgen does not lock users into a black-box proprietary runtime.
“APIgen doesn't lock you into a black-box proprietary runtime.”APIgen, own website
Strengths and trade-offs
- The AI tool synthesises a full REST API for entity CRUD alongside a matching Angular web dashboard.
- APIgen does not lock users into a black-box proprietary runtime.
Appears in
How APIgen ranks
#10 in Open-source AI app builders
How the score is made up: Evidence on its own site 20; How complete its published information is 10; Fit to this ranking's criteria 40; Buying information on its own site 8.
“AI-Powered API & UI Generator From Idea to API & UI in Seconds”APIgen, own website
“Built on Open Source Standards APIgen doesn't lock you into a black-box proprietary runtime.”APIgen, own website
Alternatives to APIgen
 AppsmithBuild custom apps 80% faster with open-source low-code | #1 in Open-source AI app builders | 94.0 |
 NimbalystThe visual workspace for Codex and Claude Code | #2 in Open-source AI app builders | 90.0 |
 OpenHandsThe open platform for agentic software development | #3 in Open-source AI app builders | 90.0 |
 ToolJetAI-native platform for building governed internal apps | #4 in Open-source AI app builders | 90.0 |
 BudibaseAgents, workflows & internal tools made easy | #5 in Open-source AI app builders | 88.0 |
 KiloOne open agent for every developer workflow | #6 in Open-source AI app builders | 88.0 |
Questions about APIgen
Who is APIgen best for?
APIgen is best for developers building full application stacks.
Where does APIgen rank?
APIgen is ranked #10 in Open-source AI app builders (Lister Score 78.0).
What are the best alternatives to APIgen?
The closest alternatives on Lister are Appsmith (#1 in Open-source AI app builders), Nimbalyst (#2 in Open-source AI app builders) and OpenHands (#3 in Open-source AI app builders).
Is this your company?
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