No-code AI-powered API endpoints
Backengine is a tool that evolved from an experiment at my startup for which we wanted to pass structured data to an LLM completion API and receive structured data back. We thought we'd release it as a standalone tool for others who might also find it useful. Backengine lets you create hosted API endpoints for which the endpoint logic is described in natural language as an LLM prompt. The endpoints accept structured requests and return structured responses. Why is this useful? Hosted - no additional infrastructure to maintain. Prompt engineering workspace - you can edit, test and tweak…
In plain words
Backengine is a hosted platform that lets users create API endpoints powered by natural language prompts instead of traditional code. Users define endpoint logic as LLM prompts, which accept structured data inputs and return structured outputs. The platform includes a prompt engineering workspace where endpoints can be edited, tested, and deployed instantly without managing additional infrastructure. It's designed for developers who want to build AI-driven APIs quickly without writing backend code.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Backengine is a tool that evolved from an experiment at my startup for which we wanted to pass structured data to an LLM completion API and receive structured data back. We thought we'd release it as a standalone tool for others who might also find it useful. Backengine lets you create hosted API endpoints for which the endpoint logic is described in natural language as an LLM prompt. The endpoints accept structured requests and return structured responses. Why is this useful? Hosted - no additional infrastructure to maintain. Prompt engineering workspace - you can edit, test and tweak endpoint prompts without touching any code. Instant deployment - created endpoints should be immediately available, and changes to your endpoints are deployed in one click. This is a first and very early release - we'd love for HN to try out Backengine and hear what you think! There's a playground where you can try it out - we're very interested to hear what use-cases people come up with.
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