API reference
Every endpoint of the Sona API, built from its OpenAPI description. Requests in these pages go to https://api.sonaintel.com.
The same description is served as JSON by GET /v1/openapi.json.
Endpoint groups
| Group | Endpoints | Covers |
|---|---|---|
| Chains | 3 | Which chains Sona serves, how far each one has progressed, and the machine-readable description of this API. |
| Blocks | 1 | Look up a block of a chain by number, hash or tag, with the hashes of the transactions it holds. |
| Transactions | 2 | Look up one transaction on a chain you name, or find out which chain holds a transaction hash. |
| Addresses | 1 | The balance, transaction count and kind of an address, on one chain or on all chains at once. |
| Search | 1 | Turn text a user typed into a search box into the lookup that answers it. |
| x402 | 8 | Payments made with x402 on Monad, Arc and Base: who settled them, who was paid, who paid, and how much of the volume looks genuine. |
| Perpl | 13 | Risk on Perpl, the perpetual futures exchange on Monad: where its open positions would be liquidated, what a price move would do to each market, how concentrated its positions, volume and liquidators are, which liquidations happened, the funding of a market and the risk card of one wallet. |
| Prices | 1 | Price charts and current prices in US dollars for the native coin and for tokens on Ethereum, Monad and Arc, for coin pages. |
| Tokens | 5 | Token pages for ERC-20 tokens on Ethereum, Monad and Arc: what a token is, who holds it and its largest recent transfers. |
| Markets | 6 | Market-wide and chain-wide figures for market pages: the largest coins by market cap, and for Ethereum, Monad and Arc the DeFi total value locked, protocols, stablecoins and DEX volume, and for the same three chains the daily on-chain activity. |
| Polymarket | 8 | Trader records from Polymarket's full order-book history, for wallet pages and leaderboards: lifetime profit and loss, a skill rating with a calibration curve, a wash-trading check and a market-wide calibration table. |
| Operations | 2 | Health checks for load balancers and uptime monitors. |