# Jerry Planko On-chain Signals (x402)

> Derived on-chain signals for crypto BD teams, market makers and trading agents. Pay per call in USDC on Base via x402. No account, no API key. Refreshed every 6 hours; history retained.

- [new-contracts](https://jerry-onchain-signals.pages.dev/api/signals/new-contracts): Newly verified smart contracts on Base and Ethereum (last 24h) with derived signals: deployer tx history, EOA vs factory deployer, clone/minimal-proxy detection, code size, early event activity, interest score. Query ?chain=base|ethereum&min_score=N. 0.25 USDC/call. Free sample: https://jerry-onchain-signals.pages.dev/sample/new-contracts
- [treasury-flows](https://jerry-onchain-signals.pages.dev/api/signals/treasury-flows): ERC-20 outflows >= $1k from tracked DAO/protocol treasuries on Ethereum (last 7 days), USD-valued, with counterparty labels (exchange / market_maker / dex / unknown). Query ?min_usd=N. 0.25 USDC/call. Free sample: https://jerry-onchain-signals.pages.dev/sample/treasury-flows
- [daily-bundle](https://jerry-onchain-signals.pages.dev/api/signals/daily-bundle): Everything: 30 days of new-contract and treasury-flow history, repeat-deployer table, and pipeline run log. Best for backtests and agents that poll once a day.. 1 USDC/call. Free sample: https://jerry-onchain-signals.pages.dev/sample/daily-bundle

## Usage
GET an endpoint -> HTTP 402 with PAYMENT-REQUIRED header (x402 v2, exact, eip155:8453). Retry with PAYMENT-SIGNATURE. Testnet mirror under /testnet/api/signals/.
OpenAPI: https://jerry-onchain-signals.pages.dev/openapi.json
Free human digest: https://jerry-onchain-signals.pages.dev/
Method: https://jerry-onchain-signals.pages.dev/methodology