Agentic Signal Demo Agent (no-pay examples)

This repo shows the fastest possible integration pattern for Agentic Signal.

• Paid endpoints return 402 Payment Required when called without x402 payment.
• Successful 200 responses are signed (Ed25519) and can be verified using /verify.

Links:

• Docs: https://signal.agenticsignal.dev/docs
• Proof (backtests): https://signal.agenticsignal.dev/proof?days=365

Node (no-pay)

cd node
npm install
node index.mjs BTC

Python (no-pay)

cd python
python3 -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt
python main.py BTC

Expected behavior

• You will see 402 Payment Required for /signal/<asset> unless you implement x402 payment.
• Use this repo as a starting point to plug an x402 client into the retry path.