Base Payment Assurance

• get_service_info — Free overview of the Base Payment Assurance service. Use this to learn the supported chain/token, dual-RPC quorum, safe-finality requirement, exact-transfer pol
• get_payment_info — Free instructions for buying this service's prepaid API credits with direct native Base USDC. Returns the exact receiver, package amount, credit quantity and se
• get_credit_balance — Check the remaining prepaid credits for the bearer token configured on this MCP connection. This call is free and does not consume credits.
• get_safe_head — Return the conservative Base Mainnet safe head after consulting both configured public RPCs. If the RPC quorum is unavailable or inconsistent, the call fails cl
• get_transaction_status — Check whether a Base Mainnet transaction is not found, confirmed, safe, or failed using two independent RPCs. No payment assumptions are made. RPC quorum/incons
• decode_usdc_transfers — Decode all native Circle USDC Transfer logs from a Base transaction only after dual-RPC receipt agreement and safe finality. A not-found, failed, or not-yet-saf
• verify_usdc_payment — Assure that a specific Base transaction contains an exact native Circle USDC Transfer from the expected payer to the expected receiver for the exact atomic amou

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