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API Design Assistant
Available nowDeveloperDesign interfaces that stay usable.
Designs and documents API surfaces — resources, payloads, errors and versioning — from your requirements. It calls no endpoint and validates nothing against a live service.
Hi — I'm your api design assistant. Design interfaces that stay usable.
Tell me what you're working on and I'll take it from there. If I need a couple of details to do it properly, I'll ask.
For example:
- Design a new API before implementation
- Document an existing API consistently
How to use this product
What it does
Designs and documents API surfaces — resources, payloads, errors and versioning — from your requirements. It calls no endpoint and validates nothing against a live service.
When to use it
Use it when you need: design a new api before implementation
Expected inputs
- · Requirements, domain model and constraints (required)
- · File upload (optional) — text/plain, text/markdown, text/csv, application/json, application/pdf, up to 8 MB
Expected outputs
- · Draft: formatted text — Produce the document from the material you supply.
- · Review: formatted text — Review and improve material you already have.
What it can do
- · Resource modelling
- · Payload schemas
- · Error design
- · Versioning strategy
Access and pricing
AccessFree trial
PricingCommercial plans coming soon
Sign-upNot required to try
Your work historyKept in this browser
Technical details
ExecutionInteractive
ProviderLovable AI Gateway
Modelgoogle/gemini-3.6-flash
Commercial priorityP2 · Core business product
Payment railNot connected
DeliveryGuest execution access
Use cases
Design a new API before implementation
Document an existing API consistently