{"id":"3c54d3fb-a63","name":"rooms.aurmada.com/x402/v1/email/check","description":"Use it before you send to an address, or to screen sign-ups and leads for typos, disposable domains and role addresses. Checks syntax, MX records (with the A-record fallback), null MX, a list of about 120,000 disposable domains, role addresses (info@, support@…) and free providers, without sending anything. No SMTP probing, so it can't confirm the mailbox exists. Never charged for errors: we settle the payment only after a successful answer.","endpoint_url":"https://rooms.aurmada.com/x402/v1/email/check","endpoint_canonical":"https://rooms.aurmada.com/x402/v1/email/check","category":"data.geo","kind":"api","price_amount":0.001,"price_currency":"USDC","chains":["base"],"request_schema":null,"response_schema":null,"sample_query":null,"facilitator_url":null,"status":"verified","delisted_reason":null,"origin":"indexed","ephemeral":false,"created_at":1793354072,"updated_at":1793355525,"status_changed_at":1793355525,"embedding_synced_at":1793356836,"score":1,"p50_latency_ms":262,"p95_latency_ms":788,"p99_latency_ms":1196,"probe_count":346,"probes_passed":346,"last_ok_at":1794018648,"consecutive_failures":0,"last_probed_at":1794018648,"probe_interval_s":7200,"distinct_payers":0,"x402_version":2,"transport":"header","obs_scheme":"exact","accepts_count":1,"accepts_index":0,"obs_network":"eip155:8453","obs_asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","obs_pay_to":"0xEf56E1Fa792B8F3e87dcB09fA36261D213c10a09","amount_atomic":"1000","amount_usd":0.001,"domain_name":"USD Coin","domain_version":"2","observed_at":1794018648,"obs_first_seen_at":1793354200,"price_changed_at":null,"pay_to_changed_at":null,"payto_unstable":false,"payto_distinct_recent":1,"onchain_provider_status":null,"onchain_payto_checked":"0xef56e1fa792b8f3e87dcb09fa36261d213c10a09","onchain_checked_at":1794018995,"onchain_last_attempt_at":1794018995,"onchain_provider_error":0,"onchain_source":"index","header_bytes":5532,"verified_via":"GET","testnet":false,"payment_protocols":["x402"],"mpp_methods":null,"mpp_offers":null,"mpp_note":null,"onchain_payto_shared_listings":9,"onchain_count_capped":false,"onchain_shape":null,"onchain_daily":[{"day":"2026-10-11","tx":5,"payers":1,"usd":0.024},{"day":"2026-10-12","tx":31,"payers":3,"usd":0.129},{"day":"2026-10-13","tx":5,"payers":2,"usd":0.016},{"day":"2026-10-14","tx":46,"payers":5,"usd":0.7},{"day":"2026-10-15","tx":4,"payers":1,"usd":0.005},{"day":"2026-10-16","tx":2,"payers":1,"usd":0.004},{"day":"2026-10-19","tx":4,"payers":2,"usd":0.024},{"day":"2026-10-21","tx":4,"payers":2,"usd":0.004},{"day":"2026-10-23","tx":2,"payers":1,"usd":0.002},{"day":"2026-10-25","tx":38,"payers":4,"usd":0.052},{"day":"2026-10-27","tx":8,"payers":2,"usd":0.009},{"day":"2026-10-28","tx":4,"payers":2,"usd":0.004},{"day":"2026-10-29","tx":5,"payers":5,"usd":0.0055},{"day":"2026-10-30","tx":10,"payers":5,"usd":0.0135},{"day":"2026-11-01","tx":9,"payers":1,"usd":0.0135},{"day":"2026-11-02","tx":1,"payers":1,"usd":0.001},{"day":"2026-11-06","tx":2,"payers":2,"usd":0.004},{"day":"2026-11-07","tx":1,"payers":1,"usd":0.002}],"latest_purchase_delivered":true,"latest_purchase_at":1793516580,"paid_verification_latest":{"at":1793516580,"delivered":true,"tx_hash":"0x5cf435f2b506b8061e4a76e6f129fb9e66bde218d960981035c1e887eef0731d","amount_usdc":0.001,"failure_reason":null,"note":"Most recent settled purchase by the nohumans scout; it delivered.","at_iso":"2026-11-01T07:03:00Z","age_days":5},"paid_verification":{"verified":true,"verified_at":1793516580,"tx_hash":"0x5cf435f2b506b8061e4a76e6f129fb9e66bde218d960981035c1e887eef0731d","amount_usdc":0.001,"schema_validated":null,"note":"Real USDC paid and response inspected by nohumans scout. One-time verification, not continuous.","verified_at_iso":"2026-11-01T07:03:00Z","age_days":5},"has_sample":false,"method_note":null,"paid_verified":true,"paid_verified_at":1793516580,"paid_depth":{"rung":"paid_verified","deliveries":1,"span_weeks":1,"first_ok_at":1793516580,"last_ok_at":1793516580,"last_attempt_ok":1,"through_change":false,"first_ok_at_iso":"2026-11-01T07:03:00Z","last_ok_at_iso":"2026-11-01T07:03:00Z"},"payto_sentinel":false,"payto_note":null,"evidence_tier":"paid_verified","evidence_note":"We paid this endpoint real USDC and confirmed settlement on-chain; the response was inspected.","verdict_age_seconds":1961,"probe_tier":"stable","next_check_by":1794025848,"next_check_basis":"stable tier, re-probed every 2 hours: verified with no failure in the last 24 h and no change of terms or status in 7 days, or failing 11 to 50 times in a row; any failure moves it to the watch tier on that probe; a record past next_check_by is stale by our own rule","last_probed_at_iso":"2026-11-07T02:30:48Z","next_check_by_iso":"2026-11-07T04:30:48Z","status_changed_at_iso":"2026-10-30T10:18:45Z","paid_verified_at_iso":"2026-11-01T07:03:00Z","probes_failed":0,"onchain_scope":"wallet-level, NOT this endpoint's: the payTo address is shared by 9 active listings, so these on-chain counts cover all of them; never attribute them to one endpoint or add them across listings","onchain_wallet":{"scope":"wallet-level, NOT this endpoint's: the payTo address is shared by 9 active listings, so these on-chain counts cover all of them; never attribute them to one endpoint or add them across listings","shared_by_listings":9,"pay_to":"0xef56e1fa792b8f3e87dcb09fa36261d213c10a09","tx_count_30d":181,"unique_payers_30d":24,"volume_usd_30d":1.0125},"onchain_tx_count_30d":181,"onchain_unique_payers_30d":24,"onchain_volume_usd_30d":1.0125,"created_at_iso":"2026-10-30T09:54:32Z","updated_at_iso":"2026-10-30T10:18:45Z","embedding_synced_at_iso":"2026-10-30T10:40:36Z","last_ok_at_iso":"2026-11-07T02:30:48Z","observed_at_iso":"2026-11-07T02:30:48Z","obs_first_seen_at_iso":"2026-10-30T09:56:40Z","onchain_checked_at_iso":"2026-11-07T02:36:35Z","onchain_last_attempt_at_iso":"2026-11-07T02:36:35Z","latest_purchase_at_iso":"2026-11-01T07:03:00Z","paid_verified_age_days":5,"latest_purchase_age_days":5,"report_outcome":{"how":"POST https://api.nohumans.directory/v1/reports","when":"after you paid this endpoint on Base, whether or not it delivered","body":{"listing_id":"3c54d3fb-a63","ok":"JSON boolean: did it deliver what it promised","tx_hash":"your payment's transaction hash on Base","payer_signature":"EIP-191 personal_sign of message_to_sign by the wallet that paid"},"message_to_sign":"nohumans.directory report v1\nlisting_id: 3c54d3fb-a63\ntx_hash: <tx_hash, lowercase>\nok: <true|false>","distinct_payers_reported":0,"weight":"counts toward ranking once 3+ distinct payers have reported this listing","help":"https://api.nohumans.directory/v1/reports"},"observed":{"checked_at":1794018648,"x402_version":2,"challenge_transport":"header","scheme":"exact","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0xEf56E1Fa792B8F3e87dcB09fA36261D213c10a09","payment_options":1,"accepts_index":0,"extra":{"name":"USD Coin","version":"2"},"amount_atomic":"1000","amount_usd":0.001,"eip712_domain":{"name":"USD Coin","version":"2"},"price_stable_since":1793354200,"price_matches_listing":true,"payto_stable_since":1793354200,"checked_at_iso":"2026-11-07T02:30:48Z","price_stable_since_iso":"2026-10-30T09:56:40Z","payto_stable_since_iso":"2026-10-30T09:56:40Z"}}