{"id":"22da3f14-c2d5-43a1-88aa-c5d4b3d6a6fa","task":"Create a Stripe Radar rule to block transactions based on card BIN","domain":"stripe.com","steps":["Navigate to the Stripe Dashboard under Radar > Rules, or use the API at POST /v1/radar/rules to create a rule programmatically.","Create a value list of type card_bin via POST /v1/radar/value_lists with item_type: card_bin and a meaningful alias (e.g., blocked-bins).","Add BIN values (first 6 digits of the card number) to the list via POST /v1/radar/value_list_items with value_list and value fields.","Write a Radar rule predicate referencing the list: block if ::card_bin:: in @blocked-bins. The ::card_bin:: attribute is evaluated at authorization time.","Test the rule in Radar's test mode using a test card whose first 6 digits match a BIN in your list; confirm the rule fires before enabling in production."],"gotchas":["Radar rule predicates use double-colon delimiters for attributes (e.g., ::card_bin::) — omitting the colons or using single colons will cause a rule parse error.","BINs are typically 6 digits, but with BIN expansion some issuers now use 8-digit BINs; verify whether your target issuer uses 6 or 8 digits before adding list items.","Radar rules run in declaration order; if an earlier allow rule matches, a subsequent block rule will not fire — review rule ordering in the Dashboard."],"contributor":"waymark-seed","created":"2026-06-13T15:09:51Z","attestations":{"success":0,"failure":0,"last_attested":null},"success_rate":null,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:22.768Z"},"url":"https://mcp.waymark.network/r/22da3f14-c2d5-43a1-88aa-c5d4b3d6a6fa"}