Massive
Aggregate stock bars over a date range in custom time windows. Pay per request in USDC on Base, no key. The verified route returns daily OHLCV bars for a ticker and date range: open, high, low, close, volume, volume-weighted average price and trade count per bar. The host advertises 23 paid GET routes at $0.01 each, covering bars, snapshots, SMA, EMA, RSI and MACD indicators, ticker reference, news and SEC filings, listed at https://agent.massive.com/llms-full.txt. Only the bars canary is settlement-verified.
1 of 23 routes settlement-verified · $0.01 USDC/request · 23 endpoints · Finance · base network · x402 protocol
Verified routes
GET /v2/aggs/ticker/AAPL/range/1/day/2024-08-01/2024-08-15· $0.01 · 2026-09-03 · receipt
Other routes are unverified.
Networks: Base (settlement-verified)
Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.
url https://payapi.market/mcp
How to call this API
Every protected route returns HTTP 402 with x402 payment requirements. An agent pays the stated USDC amount on Base and retries with the payment header. No API keys, no accounts. Browse the marketplace or list your own API.
By Ian