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MockAPI Dog

Instant mock REST & LLM APIs - free, no signup required

Create free mock REST APIs and LLM streaming endpoints instantly. Perfect for frontend devs, testers, and AI builders. No signup required.

Top comment

Hey Devs! 👋

I built MockAPI Dog to solve a problem I constantly ran into as a developer: needing APIs that don’t exist yet - or needing to test weird edge cases and errors quickly.

MockAPI Dog lets you instantly create mock REST APIs and even mock streaming LLM endpoints (like OpenAI-style or Claude-style) without creating accounts, writing backend code, or managing keys!

It’s completely free and designed to get you unblocked fast.

Would love your feedback and feature ideas! :)

PS: I'm doing zero paid promotions and no random spamming on Reddit or Twitter. I hope people upvote if they find this tool useful.