Ranked by community votes
Β· Updated in real-time
Rankings factor in vote confidence: an entity with more votes may outrank one with a higher score but fewer votes.

API development and management tool

A collective list of free APIs for development and research purposes.
Your agent ships a real backend β no signups
Backend infrastructure for user-powered products
Smart contracts β APIs, no backend needed
Turn any Google Sheet into a live API in seconds
Zoer : AI Web App Generator
Ask onceβFermeon remembers the rest
Lindy is the AI executive assistant that saves you 2 hours a day by proactively managing your inbox, meetings, and calendar

Describe your website once. AI2Web makes it understandable to every AI agent across MCP, ACP and REST, with discovery, validation and governance built

A developer-first form backend API to handle form submissions, store data, and automate workflows
Unlimited submissions
Language-agnostic process manager for Linux
Secure API calls, straight from the frontend
The headless form backend for any stack

ProWorkbench is a local-first AI workbench for developers
Monitor browser and backend failures in one feed, get plain-English root cause analysis, and ship fixes faster with AI-ready prompts
Transform APIs instantly with Rust-native performance
No code
Free website migration testing tool

A platform to mock your backend
Answers what it knows
Describe what you need and MeDo builds a working web or mobile app with interface, backend, connected database, and a permanent free app URL
Calculate your Break ROI and share anonymous workplace tips

Generate live mock REST APIs from your schema in seconds
VibeFast is the starter kit boilerplate with auth, monetization, backend, AI flows, and docs wired so you can ship SaaS and AI products faster
Easily split bills and expenses with friends. Take a photo of your receipt and let splitbill.cc do the rest.
Built with Dr

Buy your flight with Airfordable for only a fraction upfront and pay the rest in easy, flexible installments before your departure date
Scrimba is the fast way of learning to code
Composable, agent-ready primitives for go-to-market
Webflow for the Backend

Looking for better sleep
Purpose-built for skilled nursing and elder care. Nurses and caregivers simply speak naturally, at the point of care and voize structures the rest and
One script tag gives your visitors a private voice and text AI assistant that runs entirely in their browser
Build offline-first web apps in pure Go and HTML
Rankings for APIs & Backend are based on community votes. No entity has received enough votes yet (minimum 2) to be officially ranked. Check back as more ratings are submitted.
Peakd ranks apis & backend using trust-weighted community votes. Each user rates on a 1-10 scale, and votes are weighted by the user's trust score (based on account age, consistency, and verification). Rankings cannot be bought or manipulated by companies. An entity needs at least 2 votes to receive an official rank position.
Look at the overall community score, read discussions, and compare specific aspects like value, performance, and ease of use. You can also use the head-to-head comparison feature to see two options side by side.
Check the rankings above to see the most popular apis & backend rated by the community. Not enough entities have received sufficient votes to compile a definitive top 3 yet.
Yes. Peakd uses trust-weighted voting to prevent manipulation. Rankings are based purely on community opinion β companies cannot pay for a higher position. All methodology is transparent.
Something missing from this list?
Submit it βWhen scores are tied, the one with more community votes ranks higher (more votes means a more reliable score). If votes are also equal, the entity that has been on the platform longer takes priority.