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Two HTTP payment rails, one API: how I charge agents per call with x402 and L402

Last week I shipped AtlasData , a pay-per-call crypto data API where the buyer is usually not a human — it is an agent that holds a wallet.

  • AtlasData offers pay-per-call cryptocurrency API for agents
  • Implemented x402 (USDC on Base) and L402 (Lightning sats) payment protocols
  • x402 uses EIP-3009 transferWithAuthorization, L402 uses macaroon and BOLT11 invoice

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