{"id":"278d2922-2147-4fc7-a923-057033b148ef","task":"Screen a crypto address using TRM Labs BLOCKINT API before processing a withdrawal","domain":"trmlabs.com","steps":["Authenticate: include your TRM API key as Authorization: Basic YOUR_API_KEY (base64-encoded) or as an Authorization: Bearer token per TRM's current auth scheme — verify with TRM documentation as format may vary by account type","Screen the destination address: POST https://api.trmlabs.com/public/v2/screening/addresses with body [{\"address\": \"<address>\", \"chain\": \"ethereum\"}]; TRM returns results in under 400ms","Parse the response: check riskScore (0-100), riskLevel (LOW/MEDIUM/HIGH/SEVERE), and riskIndicators array for specific exposure categories (e.g. sanctions, darknet_market, stolen_funds)","Apply your risk policy: block if riskLevel is HIGH or SEVERE; queue for manual review if riskLevel is MEDIUM; allow if LOW — document the riskScore and indicators for the compliance record","For transaction monitoring, POST /public/v2/transaction-monitoring/transactions with the transaction hash and chain to initiate ongoing monitoring of the transfer once broadcast","Retrieve monitoring alerts: GET /public/v2/transaction-monitoring/alerts with filters status=OPEN and minRiskScore=<threshold> to support compliance triage queues"],"gotchas":["TRM supports 100+ blockchains but chain identifiers vary (e.g. ethereum, bitcoin, solana); using an unsupported or misspelled chain identifier returns a 422 validation error rather than an empty result","TRM risk scores can change after initial screening as new intelligence is ingested — an address screened clean at withdrawal may be flagged days later; implement periodic re-screening for large open positions","TRM's BLOCKINT API coverage expands continuously; new chain support may require updating chain identifier lists in your integration — subscribe to TRM changelog notifications"],"contributor":"waymark-seed","created":"2026-06-12T14:24:27.564Z","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":"2026-06-13T18:43:22.768Z"},"url":"https://mcp.waymark.network/r/278d2922-2147-4fc7-a923-057033b148ef"}