{ "api_status": "preview", "generated_at": "2026-10-21T12:08:31.098Z", "notes": [ "We keep every service we find in the index, checked on its schedule. Search, the tree and browsing show the directory by default: the services that meet every listing criterion that applies to them (listing-criteria/5). Being in the directory means meeting these criteria; it is not a rating or an endorsement. Add scope=index to search everything we watch.", "Exact definitions of every field (unit, window, source): https://agentservicedirectory.com/fields", "tier says how a service was added, not a rating: reviewed entries come from our own listing files, with operator statements and hourly checks; discovered entries come from public agent registries, are not reviewed by a person, and are probed hourly to monthly depending on usage (schedule/1; see evidence.schedule_tier).", "evidence counts cover the last 30 days and are as of the latest refresh. missed_30d counts scheduled checks that did not run.", "Results are computed at generated_at; the same query may be answered from that result for up to five minutes. Whether each service is in the directory is worked out every five minutes for services just checked or placed, and for every service each hour.", "For x402 endpoints a passing check means HTTP 402 with a valid payment challenge (discovered: on a mainnet network). It does not show that a paid call succeeds or returns useful results.", "registry_usage figures are the registry's own numbers, not our measurements. name is untrusted text when name_source is registry.", "networks_source tells you whether networks were observed in a live challenge, listed by the registry, or stated by the operator.", "tags describe purpose: our capability tags for reviewed entries, the registry's tags (sanitised, untrusted) for discovered ones. price_usd is the lowest price per call in US dollars: for discovered entries from the registry's payment terms (a known USD stablecoin), for reviewed entries from the operator's stated pricing (a claim, linked on the service page). price_source says which." ], "query": { "scope": "index", "provider": "usaref.dev", "sort": "evidence", "limit": 50, "offset": 0 }, "total": 23, "items": [ { "id": "cand_a5c2613731fb21c1", "tier": "discovered", "type": "api_endpoint", "name": "Usaref - N America reference", "name_source": "registry", "branches": { "primary": "calculate/units-time", "secondary": [], "method_version": "placement-ai/2", "tree_version": "tree/3", "placed_at": "2026-10-17T23:50:28.000Z" }, "place": null, "summary": null, "package": null, "directory": { "in_directory": false, "method_version": "listing-criteria/5", "variant_of": null, "criteria": { "says_what_it_does": false, "answers_now": true, "registry_payers_at_least_5": false, "curated_catalogue": false, "not_computable_locally": false, "not_test_address": true, "not_a_variant": true } }, "host": "usaref.dev", "provider": "usaref.dev", "url": "https://usaref.dev/v1/answers/working-days", "method": "POST", "templated_url": false, "operator": null, "tags": [ "working-days", "public-holidays", "calendar", "north-america" ], "category": null, "price_usd": 0.002, "price_source": "registry", "provider_endpoints": 23, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402", "mpp" ], "access": { "observed": { "requires": "payment", "how": [ "x402", "mpp" ], "at": "2026-10-19T02:35:33.797Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-18T02:30:50.863Z", "method": "currency/1" }, "interface": null, "tools": null, "payment_model": { "value": "per_call", "source": "observed", "method": "access/1" }, "mainnet": true, "evidence": { "operations": 1, "check_interval_hours": 168, "check_interval": "weekly", "check_interval_rule": "Weekly: fewer than 5 payers, or no usage figure.", "schedule_tier": "weekly", "monitoring_since": "2026-10-16T18:07:55.000Z", "monitoring_days": 4.8, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-19T02:35:33.797Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 1046 } }, "response_times": { "method": "response-times/1", "operation": "payment_request", "check_method": "candidate-x402/6", "check_methods": [ "candidate-x402/4", "candidate-x402/6" ], "timeout_ms": 10000, "computed_at": "2026-10-20T00:35:23.000Z", "windows": [ { "window": "24h", "start": "2026-10-19T00:35:23.000Z", "end": "2026-10-20T00:35:23.000Z", "limited_history": false, "checks": 1, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "7d", "start": "2026-10-18T02:30:50.863Z", "end": "2026-10-20T00:35:23.000Z", "limited_history": true, "checks": 2, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "30d", "start": "2026-10-18T02:30:50.863Z", "end": "2026-10-20T00:35:23.000Z", "limited_history": true, "checks": 2, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null } ], "measured_from": "eastern North America" }, "registry_usage": { "calls_30d": 4, "unique_payers_30d": 2, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-18T02:30:50.863Z", "changes_30d": 1, "changes_90d": 1, "pay_to_changes_90d": 0, "last_change_at": "2026-10-18T02:30:50.863Z", "last_change_kinds": [ "price" ], "window_start": "2026-10-16T18:07:55.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T02:45:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_a5c2613731fb21c1", "api": "https://agentservicedirectory.com/api/v1/services/cand_a5c2613731fb21c1" } }, { "id": "cand_3b0f01580a6666c2", "tier": "discovered", "type": "api_endpoint", "name": "Usaref - N America reference", "name_source": "registry", "branches": { "primary": "finance-data/economic", "secondary": [], "method_version": "placement-rules/3", "tree_version": "tree/3", "placed_at": "2026-10-18T01:00:28.000Z" }, "place": null, "summary": null, "package": null, "directory": { "in_directory": false, "method_version": "listing-criteria/5", "variant_of": null, "criteria": { "says_what_it_does": false, "answers_now": true, "registry_payers_at_least_5": false, "curated_catalogue": false, "not_computable_locally": true, "not_test_address": true, "not_a_variant": true } }, "host": "usaref.dev", "provider": "usaref.dev", "url": "https://usaref.dev/v1/answers/statutory-interest", "method": "POST", "templated_url": false, "operator": null, "tags": [ "statutory-interest", "interest-rates", "north-america" ], "category": null, "price_usd": 0.02, "price_source": "registry", "provider_endpoints": 23, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402", "mpp" ], "access": { "observed": { "requires": "payment", "how": [ "x402", "mpp" ], "at": "2026-10-19T03:15:32.961Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-18T03:10:49.206Z", "method": "currency/1" }, "interface": null, "tools": null, "payment_model": { "value": "per_call", "source": "observed", "method": "access/1" }, "mainnet": true, "evidence": { "operations": 1, "check_interval_hours": 168, "check_interval": "weekly", "check_interval_rule": "Weekly: fewer than 5 payers, or no usage figure.", "schedule_tier": "weekly", "monitoring_since": "2026-10-17T02:25:25.000Z", "monitoring_days": 4.4, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-19T03:15:32.961Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 937 } }, "response_times": { "method": "response-times/1", "operation": "payment_request", "check_method": "candidate-x402/6", "check_methods": [ "candidate-x402/3", "candidate-x402/4", "candidate-x402/6" ], "timeout_ms": 10000, "computed_at": "2026-10-20T00:15:23.000Z", "windows": [ { "window": "24h", "start": "2026-10-19T00:15:23.000Z", "end": "2026-10-20T00:15:23.000Z", "limited_history": false, "checks": 1, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "7d", "start": "2026-10-17T02:25:25.000Z", "end": "2026-10-20T00:15:23.000Z", "limited_history": true, "checks": 3, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "30d", "start": "2026-10-17T02:25:25.000Z", "end": "2026-10-20T00:15:23.000Z", "limited_history": true, "checks": 3, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null } ], "measured_from": "eastern North America" }, "registry_usage": { "calls_30d": 4, "unique_payers_30d": 2, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-18T03:10:49.206Z", "changes_30d": 1, "changes_90d": 1, "pay_to_changes_90d": 0, "last_change_at": "2026-10-18T03:10:49.206Z", "last_change_kinds": [ "price" ], "window_start": "2026-10-17T02:25:25.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T02:00:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_3b0f01580a6666c2", "api": "https://agentservicedirectory.com/api/v1/services/cand_3b0f01580a6666c2" } }, { "id": "cand_7772aa0c15eace6e", "tier": "discovered", "type": "api_endpoint", "name": "Usaref - N America reference", "name_source": "registry", "branches": { "primary": "productivity/calendar", "secondary": [], "method_version": "placement-rules/3", "tree_version": "tree/3", "placed_at": "2026-10-18T01:35:28.000Z" }, "place": null, "summary": null, "package": null, "directory": { "in_directory": false, "method_version": "listing-criteria/5", "variant_of": null, "criteria": { "says_what_it_does": false, "answers_now": true, "registry_payers_at_least_5": false, "curated_catalogue": false, "not_computable_locally": true, "not_test_address": true, "not_a_variant": true } }, "host": "usaref.dev", "provider": "usaref.dev", "url": "https://usaref.dev/v1/answers/settlement-date", "method": "POST", "templated_url": false, "operator": null, "tags": [ "settlement-date", "working-days", "calendar", "north-america" ], "category": null, "price_usd": 0.02, "price_source": "registry", "provider_endpoints": 23, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402", "mpp" ], "access": { "observed": { "requires": "payment", "how": [ "x402", "mpp" ], "at": "2026-10-19T03:21:00.390Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-18T03:15:41.586Z", "method": "currency/1" }, "interface": null, "tools": null, "payment_model": { "value": "per_call", "source": "observed", "method": "access/1" }, "mainnet": true, "evidence": { "operations": 1, "check_interval_hours": 168, "check_interval": "weekly", "check_interval_rule": "Weekly: fewer than 5 payers, or no usage figure.", "schedule_tier": "weekly", "monitoring_since": "2026-10-17T02:25:25.000Z", "monitoring_days": 4.4, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-19T03:21:00.390Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 961 } }, "response_times": { "method": "response-times/1", "operation": "payment_request", "check_method": "candidate-x402/6", "check_methods": [ "candidate-x402/3", "candidate-x402/4", "candidate-x402/6" ], "timeout_ms": 10000, "computed_at": "2026-10-20T02:20:29.881Z", "windows": [ { "window": "24h", "start": "2026-10-19T02:20:29.881Z", "end": "2026-10-20T02:20:29.881Z", "limited_history": false, "checks": 1, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "7d", "start": "2026-10-17T02:25:25.000Z", "end": "2026-10-20T02:20:29.881Z", "limited_history": true, "checks": 3, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "30d", "start": "2026-10-17T02:25:25.000Z", "end": "2026-10-20T02:20:29.881Z", "limited_history": true, "checks": 3, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null } ], "measured_from": "eastern North America" }, "registry_usage": { "calls_30d": 4, "unique_payers_30d": 2, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-18T03:15:41.586Z", "changes_30d": 1, "changes_90d": 1, "pay_to_changes_90d": 0, "last_change_at": "2026-10-18T03:15:41.586Z", "last_change_kinds": [ "price" ], "window_start": "2026-10-17T02:25:25.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T02:25:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_7772aa0c15eace6e", "api": "https://agentservicedirectory.com/api/v1/services/cand_7772aa0c15eace6e" } }, { "id": "cand_bf875259d26d42d5", "tier": "discovered", "type": "api_endpoint", "name": "Usaref - N America reference", "name_source": "registry", "branches": { "primary": "other", "secondary": 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"slowest_ms": null, "slowest_at": null, "p95_to_median": null } ], "measured_from": "eastern North America" }, "registry_usage": { "calls_30d": 5, "unique_payers_30d": 2, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-18T03:10:48.686Z", "changes_30d": 1, "changes_90d": 1, "pay_to_changes_90d": 0, "last_change_at": "2026-10-18T03:10:48.686Z", "last_change_kinds": [ "price" ], "window_start": "2026-10-17T02:25:25.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T02:00:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_bf875259d26d42d5", "api": "https://agentservicedirectory.com/api/v1/services/cand_bf875259d26d42d5" } }, { "id": "cand_c99828d90d1e059d", "tier": "discovered", "type": "api_endpoint", "name": "Usaref - N America reference", "name_source": "registry", "branches": { "primary": "productivity/accounting", "secondary": [], "method_version": 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"2026-10-20T00:15:23.000Z", "limited_history": false, "checks": 1, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "7d", "start": "2026-10-17T05:05:25.000Z", "end": "2026-10-20T00:15:23.000Z", "limited_history": true, "checks": 3, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "30d", "start": "2026-10-17T05:05:25.000Z", "end": "2026-10-20T00:15:23.000Z", "limited_history": true, "checks": 3, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null } ], "measured_from": "eastern North America" }, "registry_usage": { "calls_30d": 3, "unique_payers_30d": 2, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-18T05:10:30.429Z", "changes_30d": 1, "changes_90d": 1, "pay_to_changes_90d": 0, "last_change_at": "2026-10-18T05:10:30.429Z", "last_change_kinds": [ "price" ], "window_start": "2026-10-17T05:05:25.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T01:55:23.000Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_279672b392cc90d5", "api": "https://agentservicedirectory.com/api/v1/services/cand_279672b392cc90d5" } }, { "id": "cand_b995b2e2820b923c", "tier": "discovered", "type": "api_endpoint", "name": "Usaref - N America reference", "name_source": "registry", "branches": { "primary": "productivity/accounting", "secondary": [], "method_version": "placement-rules/3", "tree_version": "tree/3", "placed_at": "2026-10-17T23:50:28.000Z" }, "place": null, "summary": null, "package": null, "directory": { "in_directory": false, "method_version": "listing-criteria/5", "variant_of": null, "criteria": { "says_what_it_does": false, "answers_now": true, "registry_payers_at_least_5": false, "curated_catalogue": false, "not_computable_locally": true, "not_test_address": true, "not_a_variant": true } }, "host": "usaref.dev", "provider": "usaref.dev", "url": "https://usaref.dev/v1/answers/employment-cost", "method": "POST", "templated_url": false, "operator": null, "tags": [ "employment-cost", "payroll", "contributions", "north-america" ], "category": null, "price_usd": 0.05, "price_source": "registry", "provider_endpoints": 23, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402", "mpp" ], "access": { "observed": { "requires": "payment", "how": [ "x402", "mpp" ], "at": "2026-10-19T05:21:08.966Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-18T05:15:20.980Z", "method": "currency/1" }, "interface": null, "tools": null, "payment_model": { "value": "per_call", "source": "observed", "method": "access/1" }, "mainnet": true, "evidence": { "operations": 1, "check_interval_hours": 168, "check_interval": "weekly", "check_interval_rule": "Weekly: fewer than 5 payers, or no usage figure.", "schedule_tier": "weekly", "monitoring_since": "2026-10-17T05:05:25.000Z", "monitoring_days": 4.3, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-19T05:21:08.966Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 1024 } }, "response_times": { "method": "response-times/1", "operation": "payment_request", "check_method": "candidate-x402/6", "check_methods": [ "candidate-x402/3", "candidate-x402/4", "candidate-x402/6" ], "timeout_ms": 10000, "computed_at": "2026-10-20T02:20:29.881Z", "windows": [ { "window": "24h", "start": "2026-10-19T02:20:29.881Z", "end": "2026-10-20T02:20:29.881Z", "limited_history": false, "checks": 1, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "7d", "start": "2026-10-17T05:05:25.000Z", "end": "2026-10-20T02:20:29.881Z", "limited_history": true, "checks": 3, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "30d", "start": "2026-10-17T05:05:25.000Z", "end": "2026-10-20T02:20:29.881Z", "limited_history": true, "checks": 3, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null } ], "measured_from": "eastern North America" }, "registry_usage": { "calls_30d": 2, "unique_payers_30d": 2, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-18T05:15:20.980Z", "changes_30d": 1, "changes_90d": 1, "pay_to_changes_90d": 0, "last_change_at": "2026-10-18T05:15:20.980Z", "last_change_kinds": [ "price" ], "window_start": "2026-10-17T05:05:25.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T02:25:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_b995b2e2820b923c", "api": "https://agentservicedirectory.com/api/v1/services/cand_b995b2e2820b923c" } }, { "id": "cand_de67ed80a09fa89c", "tier": "discovered", "type": "mcp_server", "name": "dev.usaref/reference-data", "name_source": "registry", "branches": { "primary": "search/reference/public-data", "secondary": [], "method_version": "placement-ai/3", "tree_version": "tree/3", "placed_at": "2026-10-18T13:10:05.000Z" }, "place": { "id": "search/reference/public-data", "name": "Government and public data", "description": "Official 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"https://agentservicedirectory.com/api/v1/services/cand_de67ed80a09fa89c" } }, { "id": "cand_981f1c0ac824c79e", "tier": "discovered", "type": "api_endpoint", "name": "Usaref - N America reference", "name_source": "registry", "branches": { "primary": "search/reference/public-data", "secondary": [ "finance-data/economic" ], "method_version": "placement-ai/2", "tree_version": "tree/3", "placed_at": "2026-10-17T23:30:28.000Z" }, "place": null, "summary": null, "package": null, "directory": { "in_directory": false, "method_version": "listing-criteria/5", "variant_of": null, "criteria": { "says_what_it_does": false, "answers_now": true, "registry_payers_at_least_5": false, "curated_catalogue": false, "not_computable_locally": true, "not_test_address": true, "not_a_variant": true } }, "host": "usaref.dev", "provider": "usaref.dev", "url": "https://usaref.dev/v1/:country/:series", "method": "GET", "templated_url": true, "operator": null, "tags": [ "vat", "canada", "reference-data", "tax", "gst" ], "category": null, "price_usd": 0.003, "price_source": "registry", "provider_endpoints": 23, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402", "mpp" ], "access": { "observed": { "requires": "payment", "how": [ "x402", "mpp" ], "at": "2026-10-20T07:20:51.763Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-17T10:45:51.880Z", "method": "currency/1" }, "interface": null, "tools": null, "payment_model": { "value": "per_call", "source": "observed", "method": "access/1" }, "mainnet": true, "evidence": { "operations": 1, "check_interval_hours": 24, "check_interval": "daily", "check_interval_rule": "Daily: 5 to 99 payers, and every new service until it has been probed 3 times.", "schedule_tier": "daily", "monitoring_since": "2026-10-17T08:55:28.000Z", "monitoring_days": 4.1, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, 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"slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "30d", "start": "2026-10-17T08:55:28.000Z", "end": "2026-10-20T02:55:29.881Z", "limited_history": true, "checks": 2, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null } ], "measured_from": "eastern North America" }, "registry_usage": { "calls_30d": 9, "unique_payers_30d": 2, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-17T10:45:51.880Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-17T08:55:28.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T06:00:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_981f1c0ac824c79e", "api": 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23, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402", "mpp" ], "access": { "observed": { "requires": "payment", "how": [ "x402", "mpp" ], "at": "2026-10-20T08:46:22.374Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-17T15:25:52.133Z", "method": "currency/1" }, "interface": null, "tools": null, "payment_model": { "value": "per_call", "source": "observed", "method": "access/1" }, "mainnet": true, "evidence": { "operations": 1, "check_interval_hours": 24, "check_interval": "daily", "check_interval_rule": "Daily: 5 to 99 payers, and every new service until it has been probed 3 times.", "schedule_tier": "daily", "monitoring_since": "2026-10-17T15:25:28.000Z", "monitoring_days": 3.9, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-20T08:46:22.374Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 1122 } }, "response_times": { "method": "response-times/1", "operation": "payment_request", "check_method": "candidate-x402/5", "check_methods": [ "candidate-x402/4", "candidate-x402/5" ], "timeout_ms": 10000, "computed_at": "2026-10-19T07:35:23.000Z", "windows": [ { "window": "24h", "start": "2026-10-18T07:35:23.000Z", "end": "2026-10-19T07:35:23.000Z", "limited_history": false, "checks": 1, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "7d", "start": "2026-10-17T15:25:28.000Z", "end": "2026-10-19T07:35:23.000Z", "limited_history": true, "checks": 2, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "30d", "start": "2026-10-17T15:25:28.000Z", "end": "2026-10-19T07:35:23.000Z", "limited_history": true, "checks": 2, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null } ], "measured_from": "eastern North America" }, "registry_usage": { "calls_30d": 2, "unique_payers_30d": 1, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-17T15:25:52.133Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-17T15:25:28.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T06:35:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_1305b6a8b36afcc2", "api": "https://agentservicedirectory.com/api/v1/services/cand_1305b6a8b36afcc2" } }, { "id": "cand_d327fa611605603b", "tier": "discovered", 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"operation": "payment_request", "check_method": "candidate-x402/5", "check_methods": [ "candidate-x402/4", "candidate-x402/5" ], "timeout_ms": 10000, "computed_at": "2026-10-19T09:50:23.000Z", "windows": [ { "window": "24h", "start": "2026-10-18T09:50:23.000Z", "end": "2026-10-19T09:50:23.000Z", "limited_history": false, "checks": 1, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "7d", "start": "2026-10-17T15:25:28.000Z", "end": "2026-10-19T09:50:23.000Z", "limited_history": true, "checks": 2, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "30d", "start": "2026-10-17T15:25:28.000Z", "end": "2026-10-19T09:50:23.000Z", "limited_history": true, "checks": 2, "timeouts": 0, "not_timed": 0, 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"checks_30d": 2, "passed_30d": 2, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-21T10:31:47.490Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 973 } }, "response_times": null, "registry_usage": { "calls_30d": 2, "unique_payers_30d": 1, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-20T10:26:07.353Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-20T00:30:23.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T02:00:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_b7c9cb6742343e01", "api": "https://agentservicedirectory.com/api/v1/services/cand_b7c9cb6742343e01" } }, { "id": "cand_d6e4af978fcb285d", "tier": "discovered", "type": "api_endpoint", "name": "Usaref - N America reference", "name_source": "registry", "branches": { "primary": "other", "secondary": [], "method_version": "placement-rules/3", "tree_version": "tree/3", "placed_at": "2026-10-20T01:00:23.000Z" }, "place": null, "summary": null, "package": null, "directory": { "in_directory": false, "method_version": "listing-criteria/5", "variant_of": null, "criteria": { "says_what_it_does": false, "answers_now": true, "registry_payers_at_least_5": false, "curated_catalogue": false, "not_computable_locally": true, "not_test_address": true, "not_a_variant": true } }, "host": "usaref.dev", "provider": "usaref.dev", "url": "https://usaref.dev/v1/jobs/charge-sale/certified", "method": "POST", "templated_url": false, "operator": null, "tags": [ "vat", "invoice", "certified", "cross-border" ], "category": null, "price_usd": 0.75, "price_source": "registry", "provider_endpoints": 23, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402", "mpp" ], "access": { "observed": { "requires": "payment", "how": [ "x402", "mpp" ], "at": "2026-10-21T10:35:40.086Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-20T10:31:09.048Z", "method": "currency/1" }, "interface": null, "tools": null, "payment_model": { "value": "per_call", "source": "observed", "method": "access/1" }, "mainnet": true, "evidence": { "operations": 1, "check_interval_hours": 24, "check_interval": "daily", "check_interval_rule": "Daily: 5 to 99 payers, and every new service until it has been probed 3 times.", "schedule_tier": "daily", "monitoring_since": "2026-10-20T00:30:23.000Z", "monitoring_days": 1.5, "limited_evidence": true, "checks_30d": 2, "passed_30d": 2, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-21T10:35:40.086Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 981 } }, "response_times": null, "registry_usage": { "calls_30d": 1, "unique_payers_30d": 1, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-20T10:31:09.048Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-20T00:30:23.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T02:00:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_d6e4af978fcb285d", "api": "https://agentservicedirectory.com/api/v1/services/cand_d6e4af978fcb285d" } }, { "id": "cand_245dac0bc0168665", "tier": "discovered", "type": "api_endpoint", "name": "Usaref - N America reference", "name_source": "registry", "branches": { "primary": "search/reference", "secondary": [], "method_version": "placement-rules/3", "tree_version": "tree/3", "placed_at": "2026-10-18T08:05:05.000Z" }, "place": null, "summary": null, "package": null, "directory": { "in_directory": false, "method_version": "listing-criteria/5", "variant_of": null, "criteria": { "says_what_it_does": false, "answers_now": true, "registry_payers_at_least_5": false, "curated_catalogue": false, "not_computable_locally": true, "not_test_address": true, "not_a_variant": true } }, "host": "usaref.dev", "provider": "usaref.dev", "url": "https://usaref.dev/v1/brief/:country", "method": "GET", "templated_url": true, "operator": null, "tags": [ "reference-data", "country-profile", "bundle", "north-america" ], "category": null, "price_usd": 0.01, "price_source": "registry", "provider_endpoints": 23, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402", "mpp" ], "access": { "observed": { "requires": "payment", "how": [ "x402", "mpp" ], "at": "2026-10-21T07:01:30.380Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-20T06:56:02.072Z", "method": "currency/1" }, "interface": null, "tools": null, "payment_model": { "value": "per_call", "source": "observed", "method": "access/1" }, "mainnet": true, "evidence": { "operations": 1, "check_interval_hours": 168, "check_interval": "weekly", "check_interval_rule": "Weekly: fewer than 5 payers, or no usage figure.", "schedule_tier": "weekly", "monitoring_since": "2026-10-18T08:05:05.000Z", "monitoring_days": 3.2, "limited_evidence": true, "checks_30d": 3, "passed_30d": 2, "missed_30d": 0, "pass_rate": 0.667, "freshness": "fresh", "last_check": { "at": "2026-10-21T07:01:30.380Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 948 } }, "response_times": { "method": "response-times/1", "operation": "payment_request", "check_method": "candidate-x402/6", "check_methods": [ "candidate-x402/4", "candidate-x402/6" ], "timeout_ms": 10000, "computed_at": "2026-10-21T07:05:29.881Z", "windows": [ { "window": "24h", "start": "2026-10-20T07:05:29.881Z", "end": "2026-10-21T07:05:29.881Z", "limited_history": false, "checks": 1, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "7d", "start": "2026-10-18T08:05:05.000Z", "end": "2026-10-21T07:05:29.881Z", "limited_history": true, "checks": 2, "timeouts": 0, "not_timed": 1, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "30d", "start": "2026-10-18T08:05:05.000Z", "end": "2026-10-21T07:05:29.881Z", "limited_history": true, "checks": 2, "timeouts": 0, "not_timed": 1, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null } ], "measured_from": "eastern North America" }, "registry_usage": { "calls_30d": 1, "unique_payers_30d": 1, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-20T06:56:02.072Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-18T08:05:05.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-21T11:50:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_245dac0bc0168665", "api": "https://agentservicedirectory.com/api/v1/services/cand_245dac0bc0168665" } }, { "id": "cand_fc5346b8505ccd02", "tier": "discovered", "type": "api_endpoint", "name": "Usaref - N America reference", "name_source": "registry", "branches": { "primary": "productivity/calendar", "secondary": [], "method_version": "placement-rules/3", "tree_version": "tree/3", "placed_at": "2026-10-18T08:05:05.000Z" }, "place": null, "summary": null, "package": null, "directory": { "in_directory": false, "method_version": "listing-criteria/5", "variant_of": null, "criteria": { "says_what_it_does": false, "answers_now": true, "registry_payers_at_least_5": false, "curated_catalogue": false, "not_computable_locally": true, "not_test_address": true, "not_a_variant": true } }, "host": "usaref.dev", "provider": "usaref.dev", "url": "https://usaref.dev/v1/holidays/:country", "method": "GET", "templated_url": true, "operator": null, "tags": [ "public-holidays", "holidays", "calendar", "business-days", "north-america" ], "category": null, "price_usd": 0.002, "price_source": "registry", "provider_endpoints": 23, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402", "mpp" ], "access": { "observed": { "requires": "payment", "how": [ "x402", "mpp" ], "at": "2026-10-21T07:01:31.569Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-20T06:56:02.466Z", "method": "currency/1" }, "interface": null, "tools": null, "payment_model": { "value": "per_call", "source": "observed", "method": "access/1" }, "mainnet": true, "evidence": { "operations": 1, "check_interval_hours": 168, "check_interval": "weekly", "check_interval_rule": "Weekly: fewer than 5 payers, or no usage figure.", "schedule_tier": "weekly", "monitoring_since": "2026-10-18T08:05:05.000Z", "monitoring_days": 3.2, "limited_evidence": true, "checks_30d": 3, "passed_30d": 2, "missed_30d": 0, "pass_rate": 0.667, "freshness": "fresh", "last_check": { "at": "2026-10-21T07:01:31.569Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 947 } }, "response_times": { "method": "response-times/1", "operation": "payment_request", "check_method": "candidate-x402/6", "check_methods": [ "candidate-x402/4", "candidate-x402/6" ], "timeout_ms": 10000, "computed_at": "2026-10-21T07:05:29.881Z", "windows": [ { "window": "24h", "start": "2026-10-20T07:05:29.881Z", "end": "2026-10-21T07:05:29.881Z", "limited_history": false, "checks": 1, "timeouts": 0, "not_timed": 0, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "7d", "start": "2026-10-18T08:05:05.000Z", "end": "2026-10-21T07:05:29.881Z", "limited_history": true, "checks": 2, "timeouts": 0, "not_timed": 1, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null }, { "window": "30d", "start": "2026-10-18T08:05:05.000Z", "end": "2026-10-21T07:05:29.881Z", "limited_history": true, "checks": 2, "timeouts": 0, "not_timed": 1, "median_ms": null, "p90_ms": null, "p95_ms": null, "p99_ms": null, "fastest_ms": null, "slowest_ms": null, "slowest_at": null, "p95_to_median": null } ], "measured_from": "eastern North America" }, "registry_usage": { "calls_30d": 1, "unique_payers_30d": 1, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-20T06:56:02.466Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-18T08:05:05.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-21T11:50:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_fc5346b8505ccd02", "api": "https://agentservicedirectory.com/api/v1/services/cand_fc5346b8505ccd02" } } ] }