{"slug":"data-spencermcw-com-v1-tax-sales-rate-457a9703","name":"data.spencermcw.com/v1/tax/sales-rate","summary":"What is the sales tax rate at this US address, ZIP+4 or ZIP? The combined rate and each state, county, city and district rate in the 24 Streamlined Sales Tax states (WA, OH, MI, NJ, TN, …), computed by Distill from each state’s SST rate and boundary files. Updated quarterly. $0.005 per call (x402, USDC on Base); 3 free calls a day.","status":"live","indexable":true,"listed_since":"2026-10-25T17:52:25.624116Z","sources":[{"source":"x402_bazaar","external_id":"https://data.spencermcw.com/v1/tax/sales-rate","owner_address":"0xe6900ae625875b748f56fb45c3e06a59be8870df","seen_at":"2026-10-26T06:00:46.603085Z","removed_at":null}],"endpoints":[{"url":"https://data.spencermcw.com/v1/tax/sales-rate","host":"data.spencermcw.com","protocol":"x402","state":"live","last_probe_at":"2026-10-26T08:53:01.553167Z","last_ok_at":"2026-10-26T08:53:01.553167Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"data-spencermcw-com-1d02b1ee","name":"data.spencermcw.com"}],"payment_options":[{"endpoint_url":"https://data.spencermcw.com/v1/tax/sales-rate","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"5000","pay_to":"0xe6900ae625875b748f56fb45c3e06a59be8870df","observed_at":"2026-10-26T08:53:01.553167Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":4,"last_paid_at":"2026-10-23T22:25:54.755Z","reported_at":"2026-10-26T06:00:46.603085Z"},"notice":"Not affiliated with addrbook — claim or request removal."}