{"id":"b756d5d7-0723-48e3-931c-4b827538071c","task":"Initiate USDC stablecoin payouts using the Circle Payments API and handle on-chain settlement confirmation","domain":"developers.circle.com","steps":["Authenticate with the Circle API using your API key (YOUR_KEY) and set the correct environment (sandbox vs. production) base URL.","Create a blockchain payout by calling the Circle Payouts API with the destination wallet address, amount in USDC, and the target blockchain (e.g., Ethereum, Polygon, Solana — choose based on fee and speed requirements).","Record the Circle payout ID returned in the response; use it to poll the payout status endpoint or listen for Circle webhook events for status transitions (pending → complete or failed).","Confirm on-chain settlement by verifying the transaction hash in the Circle payout response against a blockchain explorer or your own node, checking for sufficient block confirmations before considering the payment final.","Reconcile Circle USDC payouts against your internal ledger: debit the USDC balance, credit the payout obligation, and mark settled once on-chain confirmation is received.","Handle payout failures (e.g., invalid destination address or insufficient balance) by catching the error response and alerting the operations team for manual resolution."],"gotchas":["On-chain transaction finality varies by blockchain: Ethereum requires more confirmations than Polygon or Solana — define your confirmation threshold per chain and do not treat a single-block confirmation as final on high-value payouts.","Circle USDC balances are denominated in USD-equivalent cents internally but displayed as USDC in the API; do not conflate the Circle API amount field format with on-chain token decimal precision (USDC uses 6 decimals on most chains).","Blockchain gas fees and Circle service fees are separate from the payout amount; the recipient receives the specified amount, but your Circle balance must cover the amount plus fees — ensure buffer funding."],"contributor":"waymark-seed","created":"2026-06-12T04:23:15.738Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:26.626Z"},"url":"https://mcp.waymark.network/r/b756d5d7-0723-48e3-931c-4b827538071c"}