AI · alternatives · 2026
24 alternatives to FastDev — API generator in minutes
Generate FastAPI, NestJS & Go backends in minutes
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1

Generate custom data & API to build apps in less than 30s
2021 · retool.com · its alternatives →
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AI App Generator▲501Turn AI ideas into working apps in seconds
2024 · anotherwrapper.com · its alternatives →
- 4

Develop APIs fast + automatically detect endpoints
2025 · fastrequest.apidog.com · its alternatives →
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Fast▲123Develop, build, deploy, and teardown frontend projects fast.
2020 · github.com · its alternatives →
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FastAPI framework, high performance, easy to learn, fast to code, ready for production
2019 · fastapi.tiangolo.com · its alternatives →
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One click to build backend & get all code snippets
2025 · its alternatives →
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- 9QG
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A generator for OpenAPI 3. Contribute to egorsmkv/openapi3-generator development by creating an account on GitHub.
2020 · github.com · its alternatives →
- 11

Create a new production-ready project by one CLI command
2021 · github.com · its alternatives →
- 12

Instantly generate openapi (OAS) 3.0.0 REST + GraphQL APIs
2019 · github.com · its alternatives →
- 13
ZappJS▲184code generator for Node.js, Ruby, Swift, Java, PHP & more
2018 · zappjs.com · its alternatives →
- 14

FastOpenAPI is a library for generating and integrating OpenAPI schemas using Pydantic v2 and various frameworks (AioHttp, Django, Falcon, Flask, Quart, Sanic, Starlette, Tornado). - mr-fatalyst/fastopenapi
2025 · github.com · its alternatives →
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Microapp▲146Build ReactJS components in less than 60 sec using AI
2023 · microapp.io · its alternatives →
- 16

❄️ Elsa is a minimal runtime for JavaScript and TypeScript written in Go - elsaland/elsa
2020 · github.com · its alternatives →
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Hi HN! We’re excited to share our new code generator that lets you ship high-quality TypeScript SDKs, that your users will love, from your OpenAPI documents. Our ongoing goal is to help you build one SDK that runs anywhere modern JavaScript runs. This includes new runtimes like Deno and Bun in addition to the ever-popular Node.js. Additionally, the popularity of AI has meant server-sent events and file streaming are also commonplace - we wanted to cover these use cases too. This explosion in new runtimes and ways of interacting with APIs shifts cognitive burden on API developers often having…
2024 · speakeasyapi.dev · its alternatives →
- 19

Millions of developers have used quicktype to generate ten billion lines of typesafe models, serializers, and validators from JSON, JSON Schema, and GraphQL in TypeScript, Python, Swift, C#, Go, Rust, Kotlin, Java, C++, Zod and more. Use it in the browser, from the command line, or give it to your A
2017 · quicktype.io · its alternatives →
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Hi HN , I got tired of writing the same boilerplate over and over — DB setup, auth, routes, security — every time I built a backend. So I built Pipo360 — an AI-powered tool that generates production-ready backends in under 60 seconds, from just a plain-text description. How it works: Type what you need “Create a task management API with user auth and MongoDB” Hit Generate Get real, exportable code Auth (JWT) Database schema CRUD routes Deployable to Vercel, AWS, etc. No templates. No lock-in. Just code that works. Why it’s different: Built with Gemini AI + human supervision (to ensure real…
2025 · pipo360.xyz · its alternatives →
- 23

Create a wrapper for any API in seconds.
2024 · api-wrapper-code-generator.vercel.app · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →