{"data":{"slug":"japan-corporate-number-api","name":"Japan Corporate-Number (法人番号) API","description":"Look up, search, and name-match Japanese corporations against the official 国税庁 (National Tax Agency) corporate-number registry. x402-enabled for AI agents doing KYC, vendor reconciliation (名寄せ), invoice verification, or company research in Japan.","base_url":"https://houjin.agentic-jp.com","website_url":"https://houjin.agentic-jp.com","category":"Data","endpoint_count":6,"min_price_usd":0.001,"uptime_24h":100,"source":"submitted","status":"online","verified":false,"verified_until":null,"payment_ready":true,"payment_ready_until":"2026-10-30T18:49:06.535Z","last_success_at":"2026-10-23T18:49:06.535Z","consecutive_failures":0,"check_interval_minutes":15,"last_checked_at":"2026-10-23T18:49:06.535Z","created_at":"2026-09-23T09:40:37.672Z","uptime":{"24h":100,"7d":100,"30d":100,"90d":100,"coverage":{"24h":{"daysCovered":1,"checkCount":67},"7d":{"daysCovered":7,"checkCount":599},"30d":{"daysCovered":30,"checkCount":2668},"90d":{"daysCovered":31,"checkCount":2722}}},"avg_response_time_ms":524,"total_checks":2725,"networks":["BSE","POL","SOL"],"networks_caip2":["eip155:8453","eip155:137","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"asset":"USDC","endpoints":[{"id":"3b1eac50-5d75-4c40-997d-42bed407e0ab","method":"POST","path":"/batch","description":"Look up many Japanese (JP) corporate numbers (法人番号) in one request (up to 50). Dynamic pricing by item count with a volume discount.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-09-23T09:40:37.672Z","last_seen_at":"2026-10-23T18:49:06.481Z","variable_amount":false,"min_price_usd":0.0032,"networks":["BSE","POL","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"3200","price_usd":"0.0032000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:137","network_caip2":"eip155:137","asset_address":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","asset_address_norm":"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359","asset_name":"USDC","price":"3200","price_usd":"0.0032000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"3200","price_usd":"0.0032000000","pay_to":"2BTzdCAcCLaNA2SSZ1YjJvTtscNCpUMUEjLY3LyBpNMk","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"e9e3aa8c-8d19-4cbb-a168-71ae522d4133","method":"GET","path":"/corporation/7010401052137","description":"Japanese company lookup by 13-digit corporate number (法人番号) — official trade name (Japanese and registered English), registered address, postal code, corporation kind, and lifecycle status. `status` is \"active\" or \"closed\"; a closed record carries the closure cause/date and the successor's 法人番号 after a merger. Sourced from the 国税庁 (National Tax Agency) corporate registry. The leading check digit is validated before lookup.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-09-23T09:40:37.672Z","last_seen_at":"2026-10-23T18:49:06.495Z","variable_amount":false,"min_price_usd":0.005,"networks":["BSE","POL","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"5000","price_usd":"0.0050000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:137","network_caip2":"eip155:137","asset_address":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","asset_address_norm":"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359","asset_name":"USDC","price":"5000","price_usd":"0.0050000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"5000","price_usd":"0.0050000000","pay_to":"2BTzdCAcCLaNA2SSZ1YjJvTtscNCpUMUEjLY3LyBpNMk","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"1a546e57-d855-4055-9149-e2773771609d","method":"POST","path":"/report","description":"Japanese company KYB report in one call — company lookup + verification from a corporate number or company name. Returns the official 国税庁 registry record, lifecycle status, kana + romaji name readings, risk flags (closed registry, recent registration/changes), an English summary, and the dataset vintage. Use for counterparty due diligence, supplier onboarding, or invoice fraud checks — replaces 3-4 separate lookups.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-09-23T09:40:37.672Z","last_seen_at":"2026-10-23T18:49:06.508Z","variable_amount":false,"min_price_usd":0.25,"networks":["BSE","POL","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"250000","price_usd":"0.2500000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:137","network_caip2":"eip155:137","asset_address":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","asset_address_norm":"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359","asset_name":"USDC","price":"250000","price_usd":"0.2500000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"250000","price_usd":"0.2500000000","pay_to":"2BTzdCAcCLaNA2SSZ1YjJvTtscNCpUMUEjLY3LyBpNMk","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"fd149324-7d91-4d79-af38-e1582330e77b","method":"POST","path":"/search","description":"Japanese company search: look up companies in the official JP corporate registry by trade name and/or location. Partial-name match on both the Japanese and registered English name, with width/abbreviation normalization, filterable by prefecture, city, and corporation kind. Returns up to 50 corporations with their 法人番号 and lifecycle status. Dynamic pricing: a base fee plus a small per-result fee.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-09-23T09:40:37.672Z","last_seen_at":"2026-10-23T18:49:06.474Z","variable_amount":false,"min_price_usd":0.015,"networks":["BSE","POL","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"15000","price_usd":"0.0150000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:137","network_caip2":"eip155:137","asset_address":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","asset_address_norm":"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359","asset_name":"USDC","price":"15000","price_usd":"0.0150000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"15000","price_usd":"0.0150000000","pay_to":"2BTzdCAcCLaNA2SSZ1YjJvTtscNCpUMUEjLY3LyBpNMk","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"1f2332ba-5054-4a7d-befa-0de83f43c6b6","method":"GET","path":"/stats","description":"Dataset metadata for this Japanese (JP) corporate-number API — how many corporations are loaded and which prefectures are covered.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-09-23T09:40:37.672Z","last_seen_at":"2026-10-23T18:49:06.502Z","variable_amount":false,"min_price_usd":0.001,"networks":["BSE","POL","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"1000","price_usd":"0.0010000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:137","network_caip2":"eip155:137","asset_address":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","asset_address_norm":"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359","asset_name":"USDC","price":"1000","price_usd":"0.0010000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"1000","price_usd":"0.0010000000","pay_to":"2BTzdCAcCLaNA2SSZ1YjJvTtscNCpUMUEjLY3LyBpNMk","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"f70b668b-5951-4114-a038-518def9ba2d0","method":"POST","path":"/verify","description":"KYB / KYC verification of a Japanese company: reconcile a company name (+ optional address) against the official JP corporate registry (名寄せ). Returns ranked candidate 法人番号 with a 0-1 confidence score, handling 株式会社 / (株) / ㈱ spelling variation and matching Japanese or English names. A dissolved corporation is never reported as `verified` even on an exact name match. Use it to confirm a vendor, customer, or invoice counterparty.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-09-23T09:40:37.672Z","last_seen_at":"2026-10-23T18:49:06.516Z","variable_amount":false,"min_price_usd":0.005,"networks":["BSE","POL","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"5000","price_usd":"0.0050000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:137","network_caip2":"eip155:137","asset_address":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","asset_address_norm":"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359","asset_name":"USDC","price":"5000","price_usd":"0.0050000000","pay_to":"0x38c9F689274E2fC3AE360744eF88ce212077a584","max_timeout_seconds":300},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"5000","price_usd":"0.0050000000","pay_to":"2BTzdCAcCLaNA2SSZ1YjJvTtscNCpUMUEjLY3LyBpNMk","max_timeout_seconds":300}],"pay_to_divergence":null}],"pay_to_changes":[],"assessment":{"updated_at":"2026-10-23T17:23:01.120Z","input_hash":"0c8f7eabeeb5c0fcd74fe81c87f9535aac8282c5fe1b8b5218fca37ddcce2c90","model_id":null,"prompt_version":null,"reliability":{"uptime":{"24h":100,"7d":100,"30d":100,"90d":100},"response_p95_ms":891,"avg_response_ms":525,"last_checked_at":"2026-10-23T17:12:18.131Z","consecutive_failures":0,"total_checks":2719},"compliance":{"grade":"A","passed":14,"total":14,"checks":[{"id":"payload_captured","label":"402 payload captured","pass":true},{"id":"accepts_present","label":"accepts[] array present","pass":true},{"id":"payto_recoverable","label":"payTo address recoverable","pass":true},{"id":"payto_conformant","label":"payTo at accepts[0].payTo (conformant shape)","pass":true},{"id":"payto_shape","label":"payTo is a valid on-chain address","pass":true},{"id":"price_present","label":"atomic price declared","pass":true},{"id":"price_sane","label":"atomic price in a sane range","pass":true},{"id":"asset_declared","label":"asset (token) address declared","pass":true},{"id":"network_caip2","label":"network resolves to CAIP-2","pass":true},{"id":"scheme_declared","label":"payment scheme declared","pass":true},{"id":"transport_https","label":"served over HTTPS","pass":true},{"id":"x402_version_current","label":"declares the current x402 version (2)","pass":true},{"id":"eip712_domain_extra","label":"EIP-712 domain parameters present on every EVM entry","pass":true},{"id":"version_channel_coherent","label":"x402 v2 envelope delivered in the payment-required header","pass":true}],"pay_to_source":"payTo","pay_to_location":"accept","staleness":{"probe_failing":false,"last_success_at":"2026-10-23T18:49:06.535Z","envelope_captured_at":"2026-09-23T09:41:01.442Z"}},"site":{"homepage":true,"openapi":true,"pricing":false,"llms_txt":true,"robots":true,"terms":false,"checked_at":"2026-10-22T04:23:00.399Z"},"domain":{"age_days":157,"registrar":"Cloudflare, Inc.","free_host":false,"created_date":"2026-05-18T01:07:04.000Z","checked_at":"2026-10-22T04:23:07.373Z"},"economics":{"price_usd":0.001,"price_atomic":"1000","model":"tiered","category_percentile":9,"stability":1,"price_max_usd":0.25,"category_percentile_max":82,"endpoint_count":6,"distinct_price_count":5},"risk":{"level":"clean","flags":[]},"synthesis":null,"traction":{"status":"measured","volume_usd_30d":0,"tx_count_30d":0,"unique_buyers_30d":0,"last_settlement_at":null,"top_buyer_share_30d":null,"top_3_buyers_share_30d":null,"concentrated_volume":false,"trend_7d_vs_30d":null,"shared_payout":false,"shared_with":0,"measured_networks":["eip155:137","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d"],"first_settlement_at":null,"volume_usd_all_time":0,"tx_count_all_time":0,"median_settlement_usd_30d":null,"max_settlement_usd_30d":null,"settled_via":[],"settled_via_detail":[],"shared_with_services":[],"pro_quota_share":1,"caveat":"Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.","all_time_caveat":"All-time is floored at the start of our harvest window, not the service full history."}}},"provenance":{"license":"CC-BY-4.0","attribution_required":true,"attribution":"Data: x402-list.com (CC BY 4.0)","cite_as":"https://x402-list.com/services/japan-corporate-number-api","source":"https://x402-list.com"}}