Best AI tools to build api endpoints
| Tool | What it does | Pricing | Free tier | Refunds |
|---|---|---|---|---|
| Floyo | A browser-based platform to find, run, and share open-source AI workflows without machine setup. | Free tier; paid from $12/mo | Yes | — |
| Devento | AI-powered platform to chat, build, and deploy full-stack applications within secure sandboxed containers. | Free tier; paid from $20/mo * | Yes | None stated |
| Dify | An open-source platform to build, deploy, and manage agentic AI workflows and RAG pipelines. | Free tier * | Yes | None stated |
| PromptPerfect | An AI-driven prompt optimization tool designed to enhance the quality of large language model results. | Free tier; paid from $19.99/mo * | Yes | — |
— means the vendor does not state it on the pages we read.
* pricing not verified against the vendor's pricing page.
Floyo
Visit Floyofloyo.ai
A browser-based platform to find, run, and share open-source AI workflows without machine setup.
Create API endpoints from any workflow
— floyo.ai
Pricing, in their words: “Simple plans that cover both solo creators, teams and enterprise productions.” (pricing)
Subscription terms they state: cancel in-app (source)
No usage limits stated on the pages we read.
Devento
Visit Deventodevento.ai
AI-powered platform to chat, build, and deploy full-stack applications within secure sandboxed containers.
Let the AI build and deploy backend APIs for you
Pricing: Free tier; paid from $20/mo (pricing)
Subscription terms they state: cancel in-app · auto-renews · states no refunds (source)
Limits the vendor states:
- Credits do not roll over
An open-source platform to build, deploy, and manage agentic AI workflows and RAG pipelines.
Source: dify.ai
Pricing: Free tier (pricing)
Subscription terms they state: cancel in-app · auto-renews · states no refunds (source)
Limits the vendor states:
- no High-Risk Activities
- no use for competitive products
PromptPerfect
Visit PromptPerfectjina.ai
An AI-driven prompt optimization tool designed to enhance the quality of large language model results.
Source: jina.ai
Pricing: Free tier; paid from $19.99/mo (pricing)
No usage limits stated on the pages we read.
FAQ
Is there a free tool to build api endpoints?
Yes — Floyo, Devento, Dify, PromptPerfect offer a free tier.
What is the cheapest paid option to build api endpoints?
Floyo starts at $12/month.
Which of these have an API?
Floyo, Devento, Dify, PromptPerfect document a developer API.
How do I cancel these subscriptions?
Floyo: cancel in-app; Devento: cancel in-app; Dify: cancel in-app. PromptPerfect does not state a cancellation route on the pages we read.
Can I get a refund?
Devento states it does not offer refunds; Dify states it does not offer refunds. The others (Floyo, PromptPerfect) do not state a refund policy on the pages we read.
Do these subscriptions auto-renew?
Devento, Dify state that paid plans renew automatically. Check the billing page before subscribing; the rest do not state it either way.
Sources
Every fact above was read from the vendors' own pages: