{"data":{"slug":"base-token-risk-check","name":"Base Token Risk Check","description":"Pay-per-call token risk check for Base. POST a Base ERC-20 contract address, get deterministic JSON: owner/renounced, EIP-1967 proxy, heuristic mint/pause/blacklist/fee functions, on-chain Uniswap v2/v3 + Aerodrome liquidity, top-holder concentration and a rule-based risk_level. $0.01 USDC per token, batch of 10 for $0.08. Invalid input is not charged. Informational only, not financial advice.","base_url":"https://api.x402risk.com","website_url":"https://x402risk.com","category":"Blockchain","endpoint_count":2,"min_price_usd":0.01,"uptime_24h":null,"source":"submitted","status":"offline","verified":false,"verified_until":null,"payment_ready":false,"payment_ready_until":"2026-10-23T21:18:09.520Z","last_success_at":"2026-10-16T21:18:09.520Z","consecutive_failures":38,"check_interval_minutes":15,"last_checked_at":"2026-10-24T01:26:01.634Z","created_at":"2026-09-28T22:21:04.014Z","uptime":{"24h":null,"7d":0,"30d":90,"90d":90,"coverage":{"24h":{"daysCovered":0,"checkCount":0},"7d":{"daysCovered":6,"checkCount":24},"30d":{"daysCovered":26,"checkCount":1444},"90d":{"daysCovered":26,"checkCount":1444}}},"avg_response_time_ms":773,"total_checks":1445,"networks":["BSE"],"networks_caip2":["eip155:8453"],"asset":"USDC","endpoints":[{"id":"035048da-6227-4f73-8bf3-8081ea012e8f","method":"POST","path":"/v1/token-check","description":"Pay-per-call token risk check for Base: send a Base ERC-20 contract address, get deterministic JSON risk flags (owner/renounced, upgradeable proxy, mint/pause/blacklist/fee functions, on-chain Uniswap v2/v3 + Aerodrome liquidity, holder concentration) and a rule-based risk_level. Use before buying or listing an unfamiliar Base token. $0.01 USDC. Invalid input returns 400 and is not charged. Not financial advice.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-09-28T22:21:04.014Z","last_seen_at":"2026-10-16T21:18:09.477Z","variable_amount":false,"min_price_usd":0.01,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"10000","price_usd":"0.0100000000","pay_to":"0x8F9C3f91628497E2A72D6740022D46f87A9eB417","max_timeout_seconds":120}],"pay_to_divergence":null},{"id":"4592649f-060e-4d57-95ab-95e314f431e4","method":"POST","path":"/v1/token-check/batch","description":"Batch Base token risk check: up to 10 Base ERC-20 addresses per call, same JSON per token. $0.08 USDC. Not financial advice.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-09-28T22:21:04.014Z","last_seen_at":"2026-10-16T21:18:09.496Z","variable_amount":false,"min_price_usd":0.08,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"80000","price_usd":"0.0800000000","pay_to":"0x8F9C3f91628497E2A72D6740022D46f87A9eB417","max_timeout_seconds":180}],"pay_to_divergence":null}],"pay_to_changes":[],"assessment":{"updated_at":"2026-10-23T20:33:04.165Z","input_hash":"e484279515dc619f02399ecda98cac82d52faa848f949cf7216b635827bec365","model_id":null,"prompt_version":null,"reliability":{"uptime":{"24h":0,"7d":0,"30d":90,"90d":90},"response_p95_ms":942,"avg_response_ms":773,"last_checked_at":"2026-10-23T19:25:01.223Z","consecutive_failures":37,"total_checks":1444},"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":true,"last_success_at":"2026-10-16T21:18:09.520Z","envelope_captured_at":"2026-09-28T22:22:00.637Z"}},"site":{"homepage":false,"openapi":false,"pricing":false,"llms_txt":false,"robots":false,"terms":false,"checked_at":"2026-10-23T14:23:10.411Z"},"domain":{"age_days":null,"registrar":null,"free_host":false,"created_date":null,"checked_at":"2026-10-20T12:23:22.929Z"},"economics":{"price_usd":0.01,"price_atomic":"10000","model":"tiered","category_percentile":64,"stability":1,"price_max_usd":0.08,"category_percentile_max":73,"endpoint_count":2,"distinct_price_count":2},"risk":{"level":"clean","flags":[]},"synthesis":null,"traction":{"status":"measured","volume_usd_30d":0.095,"tx_count_30d":10,"unique_buyers_30d":4,"last_settlement_at":"2026-10-09T16:24:17Z","top_buyer_share_30d":0.736842105263158,"top_3_buyers_share_30d":0.9473684210526316,"concentrated_volume":false,"trend_7d_vs_30d":0,"shared_payout":false,"shared_with":0,"measured_networks":["eip155:8453"],"first_settlement_at":"2026-09-27T04:38:21Z","volume_usd_all_time":0.12,"tx_count_all_time":11,"median_settlement_usd_30d":0.0075,"max_settlement_usd_30d":0.02,"settled_via":["coinbase","payAI"],"settled_via_detail":[{"id":"coinbase","volume_usd_30d":0.06,"tx_count_30d":7},{"id":"payAI","volume_usd_30d":0.035,"tx_count_30d":3}],"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/base-token-risk-check","source":"https://x402-list.com"}}