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Math & Proof Foundation tier

resonance

$0.02 per call

Resonance analysis for mathematical signals and patterns. Detects harmonic structure, periodicity, and frequency-domain features in numeric data.. Part of the Math & Proof suite, designed for mathematicians, researchers, scientists, and engineering teams. Accessible via REST API, MCP (Cursor, Claude Desktop, Windsurf), and CLI. $0.02 per call with pay-as-you-go pricing..

Start for $5 Try It Live Docs

Quick start

# REST API

curl -X POST https://api.50c.ai/tools/resonance \

-H "Authorization: Bearer cv_YOUR_KEY" \

-H "Content-Type: application/json" \

-d '{"problem": "Your input here"}'

PLAYGROUND

Live API
Get a key for $5 →
POST /tools/resonance 
Click "Run resonance" to see results...

HOW TO USE

1

Get an API Key

Credit packs start at $5. Get your key instantly from the dashboard.

2

Call the API

REST API, MCP (Cursor/Claude), or CLI. Use the playground above to test.

3

Pay Per Call

resonance costs $0.02 per call. No subscriptions required.

PROBLEMS RESONANCE SOLVES

When should you use resonance?

Need resonance capabilities in your development workflow

Manual math & proof tasks are slow and error-prone

Want to automate resonance via API

USE CASES

What can you build with resonance?

Integrate resonance into CI/CD pipelines

Use via MCP in Cursor or Claude Desktop

Automate math & proof workflows

HOW RESONANCE COMPARES

Resonance vs alternatives

alternative to Wolfram Alpha for resonance alternative to Lean for resonance alternative to Coq for resonance alternative to Mathematica for resonance alternative to SymPy for resonance

resonance is part of 50c.ai's 127-tool platform. All tools work via REST API, MCP (Cursor, Claude Desktop, Windsurf), and CLI. Start for $5 with pay-as-you-go pricing.

resonance is an AI-powered resonance tool for mathematicians, researchers, scientists, and engineering teams. Available as an MCP tool for Cursor, Claude Desktop, and Windsurf, as a REST API at api.50c.ai/tools/resonance, and via CLI with npx 50c run resonance. Part of the Math & Proof suite on the Foundation tier. $0.02 per call. Get started with a $5 credit pack at 50c.ai.

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Try resonance now

Part of the Foundation tier · $0.02 per call

Get started with a $5 credit pack — enough for 250+ calls.

Start for $5 View Plans