{"data":{"slug":"taifoon-coordination-api","name":"Taifoon coordination API","description":"Pay-per-call AI and chain services for agents, x402 v2 exact in USDC on Base, Arbitrum, Monad, Arc, Robinhood Chain or Solana. OpenAI-compatible chat completions (POST /v1/chat/completions, or /v1/chat/completions/<model>): Llama 3.3 70B, gpt-oss-120b, DeepSeek V3.2 / V4 Flash, Qwen3 235B, GLM 4.7 and TEE-attested GLM 5.3 Flash, Qwen3-VL and Qwen3.8 from 0.001 USDC per call. Graded answers by System One / Jev (0.05 USDC per grade). Class walls: market.price (0.003), risk.address and mech.predict (0.01). Proved transaction reads under the V5 superroot (GET /v1/proof/tx/<chain>/<tx>, 0.002). No account needed; a free key raises limits. Seller of record: Taifoon.","base_url":"https://coord.taifoon.dev","website_url":"https://www.taifoon.io","category":"AI","endpoint_count":3,"min_price_usd":0.003,"uptime_24h":100,"source":"submitted","status":"online","verified":false,"verified_until":null,"payment_ready":true,"payment_ready_until":"2026-11-03T14:29:14.153Z","last_success_at":"2026-10-27T14:29:14.153Z","consecutive_failures":0,"check_interval_minutes":15,"last_checked_at":"2026-10-27T14:29:14.153Z","created_at":"2026-10-27T11:30:43.096Z","uptime":{"24h":100,"7d":100,"30d":100,"90d":100,"coverage":{"24h":{"daysCovered":1,"checkCount":10},"7d":{"daysCovered":1,"checkCount":10},"30d":{"daysCovered":1,"checkCount":10},"90d":{"daysCovered":1,"checkCount":10}}},"avg_response_time_ms":1735,"total_checks":12,"networks":["ARB","BSE","SOL"],"networks_caip2":["eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"asset":"USDC","endpoints":[{"id":"0e7f1b42-0086-42f4-a463-07cac2ea5262","method":"GET","path":"/v1/x402/class/market.price","description":"Latest USD price of BTC, ETH, SOL, NQ, ES, YM from the Taifoon venue tape: the close of the last closed 1-minute bar, its time, age and sha256 digest, replayable with one GET. Only symbols the tape holds; a price older than 180 s is never served as current (nothing is charged). BTC, ETH, SOL are held to Chainlink on Base within 1 % when its feed is under 1 h old. 0.003 USDC a call.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-10-27T11:30:43.096Z","last_seen_at":"2026-10-27T14:29:14.109Z","variable_amount":false,"min_price_usd":0.003,"networks":["ARB","BSE","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"3000","price_usd":"0.0030000000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:42161","network_caip2":"eip155:42161","asset_address":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","asset_address_norm":"0xaf88d065e77c8cc2239327c5edb3a432268e5831","asset_name":"USD Coin","price":"3000","price_usd":"0.0030000000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:5042","network_caip2":null,"asset_address":"0x3600000000000000000000000000000000000000","asset_address_norm":"0x3600000000000000000000000000000000000000","asset_name":"USDC","price":"3000","price_usd":"0.0030000000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:4663","network_caip2":"eip155:4663","asset_address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","asset_address_norm":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","asset_name":"Global Dollar","price":"3000","price_usd":"0.0030000000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:143","network_caip2":"eip155:143","asset_address":"0x754704Bc059F8C67012fEd69BC8A327a5aafb603","asset_address_norm":"0x754704bc059f8c67012fed69bc8a327a5aafb603","asset_name":"USDC","price":"3000","price_usd":"0.0030000000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"3000","price_usd":"0.0030000000","pay_to":"GQcEn5pLcweo7qaiy3rDdsiUPiygygmFBaixNtNqhQVD","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"5b2d23a3-5d33-41a7-bab5-0b2f2efa23e6","method":"GET","path":"/v1/x402/class/mech.predict","description":"Olas-style yes/no forecast: { question } in, { p_yes, p_no, confidence, info_utility } out with reasoning and sources. BTC/ETH/SOL price questions with a threshold and a date are modelled from the Taifoon venue tape (sources replayable); any other question is a small open model's prior with no web search (no sources, confidence at most 0.3). Checked before you are charged. 0.01 USDC a forecast.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-10-27T11:30:43.096Z","last_seen_at":"2026-10-27T14:29:14.141Z","variable_amount":false,"min_price_usd":0.01,"networks":["ARB","BSE","SOL"],"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":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:42161","network_caip2":"eip155:42161","asset_address":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","asset_address_norm":"0xaf88d065e77c8cc2239327c5edb3a432268e5831","asset_name":"USD Coin","price":"10000","price_usd":"0.0100000000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:5042","network_caip2":null,"asset_address":"0x3600000000000000000000000000000000000000","asset_address_norm":"0x3600000000000000000000000000000000000000","asset_name":"USDC","price":"10000","price_usd":"0.0100000000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:4663","network_caip2":"eip155:4663","asset_address":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","asset_address_norm":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","asset_name":"Global Dollar","price":"10000","price_usd":"0.0100000000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:143","network_caip2":"eip155:143","asset_address":"0x754704Bc059F8C67012fEd69BC8A327a5aafb603","asset_address_norm":"0x754704bc059f8c67012fed69bc8a327a5aafb603","asset_name":"USDC","price":"10000","price_usd":"0.0100000000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"10000","price_usd":"0.0100000000","pay_to":"GQcEn5pLcweo7qaiy3rDdsiUPiygygmFBaixNtNqhQVD","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"265e11db-7164-4189-bca2-b33b6ecabd51","method":"GET","path":"/v1/x402/class/risk.address","description":"risk.address, sold by Taifoon: 5 sellers behind this wall, the best-ranked one answers; code checks the answer before you are charged (a failed answer is not charged), Jev grades it after. Price 0.009820 USDC.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-10-27T11:30:43.096Z","last_seen_at":"2026-10-27T14:29:14.120Z","variable_amount":false,"min_price_usd":0.00982,"networks":["ARB","BSE","SOL"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"9820","price_usd":"0.0098200000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:42161","network_caip2":"eip155:42161","asset_address":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","asset_address_norm":"0xaf88d065e77c8cc2239327c5edb3a432268e5831","asset_name":"USD 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Dollar","price":"9820","price_usd":"0.0098200000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"eip155:143","network_caip2":"eip155:143","asset_address":"0x754704Bc059F8C67012fEd69BC8A327a5aafb603","asset_address_norm":"0x754704bc059f8c67012fed69bc8a327a5aafb603","asset_name":"USDC","price":"9820","price_usd":"0.0098200000","pay_to":"0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b","max_timeout_seconds":300},{"scheme":"exact","network":"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp","network_caip2":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset_address":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_address_norm":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":"USDC","price":"9820","price_usd":"0.0098200000","pay_to":"GQcEn5pLcweo7qaiy3rDdsiUPiygygmFBaixNtNqhQVD","max_timeout_seconds":300}],"pay_to_divergence":null}],"pay_to_changes":[],"assessment":{"updated_at":"2026-10-27T12:43:00.955Z","input_hash":"0a97e9dff32244d1fe830ba52e9d554306c89f450926744e7e8a4c93e88cacdc","model_id":null,"prompt_version":null,"reliability":{"uptime":{"24h":100,"7d":100,"30d":100,"90d":100},"response_p95_ms":2184,"avg_response_ms":1741,"last_checked_at":"2026-10-27T12:37:11.629Z","consecutive_failures":0,"total_checks":5},"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":"2026-10-27T14:29:14.153Z","envelope_captured_at":"2026-10-27T12:37:11.629Z"}},"site":{"homepage":true,"openapi":false,"pricing":false,"llms_txt":true,"robots":true,"terms":false,"checked_at":"2026-10-27T11:33:33.113Z"},"domain":{"age_days":null,"registrar":null,"free_host":false,"created_date":null,"checked_at":"2026-10-27T11:33:39.329Z"},"economics":{"price_usd":0.003,"price_atomic":"3000","model":"tiered","category_percentile":28,"stability":0,"price_max_usd":0.01,"category_percentile_max":25,"endpoint_count":3,"distinct_price_count":3},"risk":{"level":"clean","flags":[]},"synthesis":null,"traction":{"status":"measured","volume_usd_30d":1.869942,"tx_count_30d":219,"unique_buyers_30d":17,"last_settlement_at":"2026-10-27T10:05:19Z","top_buyer_share_30d":0.6161207139044954,"top_3_buyers_share_30d":0.7572117210052505,"concentrated_volume":false,"trend_7d_vs_30d":0.5958496497293957,"shared_payout":false,"shared_with":0,"measured_networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d"],"first_settlement_at":"2026-10-03T09:29:25Z","volume_usd_all_time":1.89,"tx_count_all_time":219,"median_settlement_usd_30d":0.001,"max_settlement_usd_30d":0.5,"settled_via":["coinbase"],"settled_via_detail":[{"id":"coinbase","volume_usd_30d":1.869942,"tx_count_30d":219}],"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/taifoon-coordination-api","source":"https://x402-list.com"}}