{"listings_total":7392,"listings_total_basis":"active listings (delisted excluded) probed at least once; a brand-new submission appears within its first probe cycle (~2 min). Listings on ephemeral tunnel hosts (lhr.life, trycloudflare.com, ngrok, loca.lt, serveo.net) are probed and served but excluded from this count, from verified and from hosts_total since 2026-09-05 — see Method changes. Listings whose live challenge names a testnet (Base Sepolia and the like) are likewise probed and served but excluded from these counts since 2026-09-07","hosts_total":2376,"verified":6788,"probes_24h":130330,"probe_pass_rate_24h":0.9594874549221207,"probe_pass_rate_24h_basis":"passes / probes in the last 24h, excluding six neutral classes: probes where our own DNS lookup failed (failure_reason dns_lookup_error, recorded since 2026-09-02; before that such failures were counted against the endpoint — see correction #14), and probes where neither an unpaid GET nor an unpaid POST produced a payment challenge (not_payment_gated, since 2026-09-03; a fact about the listing, not a failure of it — see Method changes), and probes where the host answered 403 to our unpaid GET and did not challenge the POST retry either (probe_refused, since 2026-09-05; the same host answers 402 to other clients and to our other probes, so this is a fact about our vantage point, not the listing), and probes where the route rejected the request before any payment question (400/422 on both verbs, or a 403 whose body is a JSON error — warn:params_likely_required, neutral since 2026-09-06; validation before payment is a legitimate design and without a valid input we cannot tell broken from called wrong — see correction #17), and probes where the host answered 429 to our unpaid GET or to the POST retry (warn:rate_limited, since 2026-09-13 on the GET and 2026-09-14 on the POST; a 429 is a fact about how often we asked, not about whether the endpoint serves payment terms — see correction #19), and probes that timed out in a probe run where at least 50% of all probes, on at least 8 different hosts, timed out together (warn:sweep_timeout, since 2026-09-23; unrelated endpoints failing together and recovering together is a fact about the path from our prober, not about any one listing — see Method changes)","avg_probe_gap_min":82,"paid_verified_listings":1884,"paid_verification_attempted":3471,"paid_verification":{"attempted":3471,"delivered":1884,"payment_required":3393,"pass_rate_payment_required":0.5552608311229,"not_applicable":78,"our_limit":62,"last_attempt_at":1791351617,"basis":"each endpoint's latest attempt, dry runs excluded","outcomes":{"delivered":1779,"paid_but_status_402":194,"rejected_400_blind_request":190,"declared_params_unmet":170,"pre_flight_status_404":122,"pre_flight_status_405":88,"no_payment_required":78,"paid_but_status_404":77,"price_drift":70,"corrected_2026-09-22_chain_verified_index":61,"pre_flight_status_400":53,"stale_data":46,"paid_but_status_502":42,"paid_but_status_405":40,"settlement_unproven_onchain":33,"requires_params_skipped":32,"timeout":30,"pre_flight_status_429":29,"invalid_json":27,"error_fetch failed":26,"corrected_2026-09-25_chain_verified_rpc":26,"paid_but_status_422":24,"error_Failed to create payment payload: No network/scheme registered for x402 version:":20,"params_unknowable":19,"unparseable_402_quote":17,"paid_but_status_401":16,"empty_body":14,"error_payload":13,"paid_but_status_400":12,"paid_but_status_500":12,"paid_but_status_503":10,"params_fillable":9,"corrected_2026-08-21_chain_verified_body_claim":9,"error_Failed to parse payment requirements: Invalid payment required response":8,"paid_but_status_202":8,"quote_above_per_call_cap":8,"settlement_unproven_onchain:local-skip":8,"pre_flight_status_503":7,"corrected_2026-10-07_chain_verified_rpc":7,"pre_flight_status_410":4,"pre_flight_status_530":4,"pre_flight_status_204":3,"pre_flight_status_501":3,"pre_flight_status_502":3,"paid_but_status_201":2,"paid_but_status_403":2,"paid_but_status_409":2,"paid_but_status_429":2,"error_Failed to create payment payload: EIP-712 domain parameters (name, version) are ":1,"error_Failed to create payment payload: No client registered for x402 version: undefin":1,"paid_but_status_307":1,"pre_flight_status_401":1,"pre_flight_status_500":1,"pre_flight_status_521":1,"schema_mismatch":1,"settlement_unproven":1,"settlement_unproven_onchain:first-can":1,"upto_not_enabled":1,"corrected_2026-09-15_chain_verified_index":1,"corrected_2026-10-05_chain_verified_rpc":1}},"verdict_sales":{"total":0,"last_24h":0,"usd_total":0,"basis":"settled purchases of GET /v1/listings/:id/verdict ($0.005 USDC on Base each); rule at /methodology#verdict"},"purchase_history_sales":{"total":0,"last_24h":0,"usd_total":0,"basis":"settled purchases of GET /v1/listings/:id/purchases ($0.01 USDC on Base each, since 2026-09-15); rule at /methodology#purchases"},"demand_sales":{"total":4,"last_24h":0,"usd_total":1,"basis":"settled purchases of GET /v1/demand/clusters ($0.25 USDC on Base each, since 2026-09-13)"},"demand_report_sales":{"total":1,"last_24h":0,"usd_total":2,"basis":"settled purchases of GET /v1/demand/report (the report for people, bought on /state/demand; $2 USDC on Base each, since 2026-09-23)"},"submission_fee_sales":{"total":4,"last_24h":0,"usd_total":1,"basis":"settled submission fees on POST /v1/listings ($0.25 USDC on Base per new listing beyond the first 5 per registered domain since 2026-09-28, $0.50 from 2026-09-25); rule at /methodology#submission-fee"},"verify_now_sales":{"total":4,"last_24h":0,"usd_total":16,"fulfilled":2,"basis":"paid verification plans bought by listing owners (POST /v1/listings/:id/verify-now, $2 single / $5 pack, since 2026-09-09; the single plan cost $3 before 2026-10-07); fulfilled = plans whose purchases are complete"},"sales_basis":"every sales figure excludes purchases by the operator's own wallets (test and heartbeat buys are instrument history, not revenue); wallets listed in docs and at /methodology#wallets"}