{ "api_status": "preview", "generated_at": "2026-10-20T15:44:09.237Z", "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", "tag": "developer-tooling", "sort": "evidence", "limit": 50, "offset": 0 }, "total": 20, "items": [ { "id": "cand_77d691e98a839721", "tier": "discovered", "type": "api_endpoint", "name": "CI Workflow Audit", "name_source": "registry", "branches": { "primary": "compute/developer-data", "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": "api.zfinia.com", "provider": "zfinia.com", "url": "https://api.zfinia.com/x402/v1/ci-workflow-contract-audit", "method": "POST", "templated_url": false, "operator": null, "tags": [ "configuration", "continuous-integration", "supply-chain-hygiene", "linting", "developer-tooling" ], "category": null, "price_usd": 0.12, "price_source": "registry", "provider_endpoints": 16, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402" ], "access": { "observed": { "requires": "payment", "how": [ "x402" ], "at": "2026-10-19T04:35:44.846Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-17T04:11:01.829Z", "method": "currency/1" }, "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": "2026-10-17T03:15:25.000Z", "monitoring_days": 3.5, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-19T04:35:44.846Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 554 } }, "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": "2026-10-19T08:20:23.000Z", "windows": [ { "window": "24h", "start": "2026-10-18T08:20:23.000Z", "end": "2026-10-19T08:20:23.000Z", "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": "2026-10-17T03:15:25.000Z", "end": "2026-10-19T08:20:23.000Z", "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": "2026-10-17T03:15:25.000Z", "end": "2026-10-19T08:20:23.000Z", "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": 1, "unique_payers_30d": 1, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-17T04:11:01.829Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-17T03:15:25.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T03:25:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_77d691e98a839721", "api": "https://agentservicedirectory.com/api/v1/services/cand_77d691e98a839721" } }, { "id": "cand_b7ba7aa919a28ae9", "tier": "discovered", "type": "api_endpoint", "name": "DKIM Record Audit", "name_source": "registry", "branches": { "primary": "web/domains-network", "secondary": [ "identity/sign-in", "messaging/email" ], "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": "api.zfinia.com", "provider": "zfinia.com", "url": "https://api.zfinia.com/x402/v1/dkim-record-audit", "method": "POST", "templated_url": false, "operator": null, "tags": [ "dkim", "email-authentication", "domain-trust", "key-management", "developer-tooling" ], "category": null, "price_usd": 0.18, "price_source": "registry", "provider_endpoints": 16, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402" ], "access": { "observed": { "requires": "payment", "how": [ "x402" ], "at": "2026-10-19T04:45:44.143Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-17T04:21:04.163Z", "method": "currency/1" }, "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": "2026-10-17T03:15:25.000Z", "monitoring_days": 3.5, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-19T04:45:44.143Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 540 } }, "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": "2026-10-19T08:30:23.000Z", "windows": [ { "window": "24h", "start": "2026-10-18T08:30:23.000Z", "end": "2026-10-19T08:30:23.000Z", "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": "2026-10-17T03:15:25.000Z", "end": "2026-10-19T08:30:23.000Z", "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": "2026-10-17T03:15:25.000Z", "end": "2026-10-19T08:30:23.000Z", "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": 1, "unique_payers_30d": 1, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-17T04:21:04.163Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-17T03:15:25.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T03:25:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_b7ba7aa919a28ae9", "api": "https://agentservicedirectory.com/api/v1/services/cand_b7ba7aa919a28ae9" } }, { "id": "cand_63b4edc9e861ec45", "tier": "discovered", "type": "api_endpoint", "name": "OpenAPI Request Audit", "name_source": "registry", "branches": { "primary": "identity/security", "secondary": [], "method_version": "placement-rules/3", "tree_version": "tree/3", "placed_at": "2026-10-18T01:25:28.000Z" }, "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": "api.zfinia.com", "provider": "zfinia.com", "url": "https://api.zfinia.com/x402/v1/openapi-parameter-contract-audit", "method": "POST", "templated_url": false, "operator": null, "tags": [ "openapi", "request-validation", "api-contract", "integration-testing", "developer-tooling" ], "category": null, "price_usd": 0.14, "price_source": "registry", "provider_endpoints": 16, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402" ], "access": { "observed": { "requires": "payment", "how": [ "x402" ], "at": "2026-10-19T04:20:53.470Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-17T04:01:10.156Z", "method": "currency/1" }, "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": "2026-10-17T03:15:25.000Z", "monitoring_days": 3.5, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-19T04:20:53.470Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 743 } }, "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": "2026-10-19T08:20:23.000Z", "windows": [ { "window": "24h", "start": "2026-10-18T08:20:23.000Z", "end": "2026-10-19T08:20:23.000Z", "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": "2026-10-17T03:15:25.000Z", "end": "2026-10-19T08:20:23.000Z", "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": "2026-10-17T03:15:25.000Z", "end": "2026-10-19T08:20:23.000Z", "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": 1, "unique_payers_30d": 1, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-17T04:01:10.156Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-17T03:15:25.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T03:25:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_63b4edc9e861ec45", "api": "https://agentservicedirectory.com/api/v1/services/cand_63b4edc9e861ec45" } }, { "id": "cand_20d0717ae9f35714", "tier": "discovered", "type": "api_endpoint", "name": "Pad hex to a fixed byte width", "name_source": "registry", "branches": { "primary": "documents/conversion", "secondary": [], "method_version": "placement-ai/2", "tree_version": "tree/3", "placed_at": "2026-10-18T06:30:05.000Z" }, "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": "twin.unykorn.org", "provider": "unykorn.org", "url": "https://twin.unykorn.org/eth-pad-hex", "method": "POST", "templated_url": false, "operator": null, "tags": [ "ethereum", "abi", "evm", "deterministic", "developer-tooling" ], "category": null, "price_usd": 0.003, "price_source": "registry", "provider_endpoints": 370, "networks": [ "eip155:8453", "eip155:137", "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp" ], "networks_source": "observed", "payment_protocols": [ "x402", "mpp" ], "access": { "observed": { "requires": "payment", "how": [ "x402", "mpp" ], "at": "2026-10-20T07:21:01.958Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-17T10:46:02.731Z", "method": "currency/1" }, "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": "2026-10-17T09:00:28.000Z", "monitoring_days": 3.3, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-20T07:21:01.958Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 103 } }, "response_times": { "method": "response-times/1", "operation": "payment_request", "check_method": "candidate-x402/6", "check_methods": [ "candidate-x402/4", "candidate-x402/5", "candidate-x402/6" ], "timeout_ms": 10000, "computed_at": "2026-10-20T07:25:29.881Z", "windows": [ { "window": "24h", "start": "2026-10-19T07:25:29.881Z", "end": "2026-10-20T07:25:29.881Z", "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": "2026-10-17T09:00:28.000Z", "end": "2026-10-20T07:25:29.881Z", "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": "2026-10-17T09:00:28.000Z", "end": "2026-10-20T07:25:29.881Z", "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": 3, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-17T10:46:02.731Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-17T09:00:28.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T07:05:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_20d0717ae9f35714", "api": "https://agentservicedirectory.com/api/v1/services/cand_20d0717ae9f35714" } }, { "id": "cand_4ece293ebf707ae6", "tier": "discovered", "type": "api_endpoint", "name": "EIP-712 typed-data digest", "name_source": "registry", "branches": { "primary": "other", "secondary": [], "method_version": "placement-ai/3", "tree_version": "tree/3", "placed_at": "2026-10-18T15:15:05.000Z" }, "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": "twin.unykorn.org", "provider": "unykorn.org", "url": "https://twin.unykorn.org/eip712-hash", "method": "POST", "templated_url": false, "operator": null, "tags": [ "ethereum", "abi", "evm", "deterministic", "developer-tooling" ], "category": null, "price_usd": 0.003, "price_source": "registry", "provider_endpoints": 370, "networks": [ "eip155:8453", "eip155:137", "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp" ], "networks_source": "observed", "payment_protocols": [ "x402", "mpp" ], "access": { "observed": { "requires": "payment", "how": [ "x402", "mpp" ], "at": "2026-10-20T08:11:12.928Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-17T11:25:49.662Z", "method": "currency/1" }, "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": "2026-10-17T09:10:28.000Z", "monitoring_days": 3.3, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-20T08:11:12.928Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 32 } }, "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": "2026-10-19T09:15:23.000Z", "windows": [ { "window": "24h", "start": "2026-10-18T09:15:23.000Z", "end": "2026-10-19T09:15:23.000Z", "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": "2026-10-17T09:10:28.000Z", "end": "2026-10-19T09:15:23.000Z", "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": "2026-10-17T09:10:28.000Z", "end": "2026-10-19T09:15:23.000Z", "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": 3, "unique_payers_30d": 3, "note": "Reported by the registry; 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not our measurement." }, "payment_terms": { "current_since": "2026-10-17T19:40:48.585Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-17T17:30:28.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-19T10:30:23.000Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_4d309ed46e09c876", "api": "https://agentservicedirectory.com/api/v1/services/cand_4d309ed46e09c876" } }, { "id": "cand_70b3eb4aacf2ff3c", "tier": "discovered", "type": "api_endpoint", "name": "OpenAPI Response Audit", "name_source": "registry", "branches": { "primary": "other", "secondary": [], "method_version": "placement-rules/3", "tree_version": "tree/3", "placed_at": "2026-10-18T01:30:28.000Z" }, "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": "api.zfinia.com", "provider": "zfinia.com", "url": "https://api.zfinia.com/x402/v1/openapi-response-conformance-audit", "method": "POST", "templated_url": false, "operator": null, "tags": [ "openapi", "response-validation", "contract-drift", "monitoring", "developer-tooling" ], "category": null, "price_usd": 0.14, "price_source": "registry", "provider_endpoints": 16, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402" ], "access": { "observed": { "requires": "payment", "how": [ "x402" ], "at": "2026-10-19T04:20:53.495Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-17T04:05:57.607Z", "method": "currency/1" }, "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": "2026-10-17T03:15:25.000Z", "monitoring_days": 3.5, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-19T04:20:53.495Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 775 } }, "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": "2026-10-19T08:20:23.000Z", "windows": [ { "window": "24h", "start": "2026-10-18T08:20:23.000Z", "end": "2026-10-19T08:20:23.000Z", "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": "2026-10-17T03:15:25.000Z", "end": "2026-10-19T08:20:23.000Z", "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": "2026-10-17T03:15:25.000Z", "end": "2026-10-19T08:20:23.000Z", "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": 1, "unique_payers_30d": 1, "note": "Reported by the registry; not our measurement." }, "payment_terms": { "current_since": "2026-10-17T04:05:57.607Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-17T03:15:25.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T03:25:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_70b3eb4aacf2ff3c", "api": "https://agentservicedirectory.com/api/v1/services/cand_70b3eb4aacf2ff3c" } }, { "id": "cand_ff2638b8f9fc63aa", "tier": "discovered", "type": "api_endpoint", "name": "Security Header Diff", "name_source": "registry", "branches": { "primary": "identity/security", "secondary": [ "calculate/math-science" ], "method_version": "placement-rules/3", "tree_version": "tree/3", "placed_at": "2026-10-18T00:35:28.000Z" }, "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": "api.zfinia.com", "provider": "zfinia.com", "url": "https://api.zfinia.com/x402/v1/security-header-diff", "method": "POST", "templated_url": false, "operator": null, "tags": [ "http-headers", "release-gate", "regression-detection", "web-platform", "developer-tooling" ], "category": null, "price_usd": 0.11, "price_source": "registry", "provider_endpoints": 16, "networks": [ "eip155:8453" ], "networks_source": "observed", "payment_protocols": [ "x402" ], "access": { "observed": { "requires": "payment", "how": [ "x402" ], "at": "2026-10-19T04:40:45.089Z", "method": "access/1" }, "stated": null }, "currency": { "codes": [ "USD" ], "tokens": [ "USDC" ], "source": "observed", "since": "2026-10-17T04:21:04.076Z", "method": "currency/1" }, "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": "2026-10-17T03:15:25.000Z", "monitoring_days": 3.5, "limited_evidence": true, "checks_30d": 3, "passed_30d": 3, "missed_30d": 0, "pass_rate": 1, "freshness": "fresh", "last_check": { "at": "2026-10-19T04:40:45.089Z", "result": "payment_required", "passed": true, "http_status": 402, "duration_ms": 979 } }, "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": "2026-10-20T03:25:29.881Z", "windows": [ { "window": "24h", "start": "2026-10-19T03:25:29.881Z", "end": "2026-10-20T03:25:29.881Z", "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": "2026-10-17T03:15:25.000Z", "end": "2026-10-20T03:25:29.881Z", "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": "2026-10-17T03:15:25.000Z", "end": "2026-10-20T03:25:29.881Z", "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": 1, "unique_payers_30d": 1, "note": "Reported by the registry; 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not our measurement." }, "payment_terms": { "current_since": "2026-10-17T04:11:01.821Z", "changes_30d": 0, "changes_90d": 0, "pay_to_changes_90d": 0, "last_change_at": null, "last_change_kinds": [], "window_start": "2026-10-17T03:15:25.000Z", "limited": true }, "registry_listing": { "last_seen_at": "2026-10-20T03:25:29.881Z", "listed": true }, "links": { "page": "https://agentservicedirectory.com/services/cand_93c46bad09cc93f3", "api": "https://agentservicedirectory.com/api/v1/services/cand_93c46bad09cc93f3" } } ] }