PerCall
activeReal-time market data, paid per request
PerCall sells live crypto market data to AI agents and developers over the x402 protocol. No accounts, no API keys, no subscriptions: request an endpoint, receive HTTP 402, pay in USDC on Base, get data. Settlement is on-chain and final.
Settled via PayAI.
- Transactions · 30d
- 86
- Volume · 30d
- $0.45
- Unique buyers · 30d
- 6
- Uptime · 30d
- 35.3%
- Latency p50
- 1717ms
Endpoints (14 live)
GET/api/x402/depth/:symbol— [PerCall] Order book snapshot for a trading pair: top 10 bids and asks with quantities. Data sourced live from Binance public API. (0.005 USDC on Base)GET/api/x402/price/:symbol— [PerCall] Real-time spot price for a crypto trading pair (e.g. BTCUSDT, ETHUSDT). Data sourced live from Binance public API. (0.001 USDC on Base)GET/api/x402/signals/momentum— [PerCall] COMPUTED — not raw data. Cross-pair momentum score (-100 to +100) with regime label for the top 10 USDT pairs, computed from 7 days of hourly closes. Includes 24h/7d rate-of-change, realised volatility, and a composite ranking. Designed for pre-trade agent checks. (0.01 USDC on Base)GET/api/x402/dex/search/:query— [PerCall] Search Uniswap v4 pools on Robinhood Chain by token symbol, name or full contract address. Address queries scan the chain from the DEX deploy block; symbol queries cover recently indexed pools. Prices computed chain-natively from RPC, quoted against USDG or ETH. (0.002 USDC on Base)GET/api/x402/ticker/:symbol— [PerCall] 24-hour statistics for a trading pair: last price, change %, high/low, base and quote volume. Data sourced live from Binance public API. (0.002 USDC on Base)GET/api/x402/stock/:symbol— [PerCall] Live quote for a tokenized stock or ETF on Robinhood Chain (AAPL, NVDA, TSLA, etc.): bid, ask, daily high/low, trading volume, mint/burn volume, contract address, halt status. Data sourced live from Robinhood's public stock-token API. (0.002 USDC on Base)GET/api/x402/equity/spreads— [PerCall] ARBITRAGE MONITOR — tokenized stock spreads: Robinhood's official oracle quote (bid/ask, backed by mint/burn via Authorized Participants) vs live Uniswap v4 pool prices on Robinhood Chain, with pool depth (virtual TVL), halt status, mint/burn flow and NYSE market-open flag. Positive spread = pool premium (sell into pool), negative = discount (buy pool, wait for AP convergence). Oracle quotes from Robinhood; pool prices and liquidity computed chain-natively from RPC. (0.01 USDC on Base)GET/api/x402/dex/new— [PerCall] Newest Uniswap v4 pools on Robinhood Chain (eip155:4663): token symbol, contract address, live USD price, fee tier, creation block and explorer link. Discovered chain-natively from v4 Initialize events over RPC. No third-party API dependency. (0.005 USDC on Base)GET/api/x402/dex/token/:address— [PerCall] Live USD price and all Uniswap v4 pools for any token on Robinhood Chain, by contract address. Computed chain-natively: v4 Initialize logs + StateView slot0 priced against USDG (Paxos) or ETH, straight from RPC. No third-party API dependency. (0.002 USDC on Base)GET/api/x402/dex/search/1— [PerCall] Search Uniswap v4 pools on Robinhood Chain by token symbol, name or full contract address. Returns matching tokens with their pools. (0.002 USDC on Base)GET/api/x402/stock/1— [PerCall] Live quote for a tokenized stock or ETF on Robinhood Chain (AAPL, NVDA, TSLA, etc.): bid, ask, daily high/low, trading volume, mint/burn volume, contract address, halt status. Data sourced live from Robinhood's public stock-token API. (0.002 USDC on Base)GET/api/x402/ticker/1— [PerCall] 24-hour statistics for a trading pair: last price, change %, high/low, base and quote volume. Data sourced live from Binance public API. (0.002 USDC on Base)GET/api/x402/depth/1— [PerCall] Order book snapshot for a trading pair: top 10 bids and asks with quantities. Data sourced live from Binance public API. (0.005 USDC on Base)GET/api/x402/price/1— [PerCall] Real-time spot price for a crypto trading pair (e.g. BTCUSDT, ETHUSDT). Data sourced live from Binance public API. (0.001 USDC on Base)
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