Causeway Services
The 130-offer x402 market explained: what software can buy at market.561.group neighborhood
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The 130-offer x402 market explained: what software can buy at market.561.group
130 machine-payable offers in USDC on Base, from $0.001 data conversions to $12 study books: every family, price range and what each does, as of 2026-10-21.
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Causeway Services: x402 guides, a market where software pays, books, news and games
Causeway Services runs an x402 market of 130 offers payable in USDC over HTTP 402, and publishes guides, books, Koios News and games. Start here.