{"card":{"slug":"mercury-io-mastercard","name":"Mercury IO Mastercard","issuer":"mercury","currency":"Cash Back"},"status":"recent","lastVerified":"2026-10-12","officialSource":"https://mercury.com/credit","history":[{"date":"2025-06","bonus":0,"spend":0,"months":0},{"date":"2026-06","bonus":0,"spend":0,"months":0,"note":"No public welcome offer"},{"date":"2026-10-12","observedOn":"2026-10-12","bonus":0,"spend":0,"months":0,"note":"No public welcome offer; 1.5% cashback confirmed, and Mercury pricing lists a 3% currency exchange fee on non-USD card transactions","sourceUrl":"https://mercury.com/credit","sourceLabel":"Mercury IO card product page"}],"verificationEvents":[{"id":"e7b80eee-6729-466c-adae-5871cfa3216d","entityType":"card","slug":"mercury-io-mastercard","checkedAt":"2026-10-12T00:00:00.000Z","recordedAt":"2026-10-12T13:11:15.487Z","sourceUrl":"https://mercury.com/credit","sourceLabel":"Mercury IO product page and pricing page","outcome":"changed","summary":"1.5% cashback and no PG confirmed; Mercury pricing lists 3% currency exchange fee on non-USD card transactions","changedFields":["foreignTransactionFee","benefits"],"facts":{"foreignTransactionFee":3},"previousHash":"88986f5004994acb011275c83b81c861a749a5950ffc5919c3f2a365b3478c94","recordHash":"b44f7cafaa37aa1842370b9f3507076a2b8259ecae7829e5ce0aa1ed9be1dc37"}],"methodology":"https://creditcompound.com/how-we-rate#verification"}