{"slug":"mailpulse-b1baa039","name":"MailPulse","summary":"Check the status and tracking of a physical letter previously sent via POST /api/letters. Returns render status, expected delivery date, and (for certified mail) the USPS tracking number.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:49.897182Z","sources":[{"source":"x402_bazaar","external_id":"https://mailpulse.theaslangroupllc.com/api/letters/ltr_1a9b185b1c4ee035","owner_address":"0x50ab2018c06c6e4eaa9ba52057eb55ed284912fc","seen_at":"2026-10-26T05:59:18.423239Z","removed_at":null}],"endpoints":[{"url":"https://mailpulse.theaslangroupllc.com/api/letters/ltr_1a9b185b1c4ee035","host":"mailpulse.theaslangroupllc.com","protocol":"x402","state":"live","last_probe_at":"2026-10-25T23:15:46.902801Z","last_ok_at":"2026-10-25T23:15:46.902801Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"mailpulse-theaslangroupllc-com-e0ac3e9e","name":"mailpulse.theaslangroupllc.com"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":2,"paid_calls_30d":2,"last_paid_at":"2026-10-06T07:29:30.440Z","reported_at":"2026-10-26T05:59:18.423239Z"},"notice":"Not affiliated with addrbook — claim or request removal."}