coord.taifoon.dev

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "ok": false,
  "code": "payment_required",
  "hint": "pay 0.001 USDC with x402 and send the same request again with the PAYMENT-SIGNATURE (or X-PAYMENT) header; both quotes are verified before you are charged",
  "x402": {
    "error": "Payment Required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
        "amount": "1000",
        "scheme": "exact",
        "network": "eip155:8453",
        "mimeType": "application/json",
        "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
        "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result and the enclave key, one binds that key to sha256 of your nonce. The compose-hash in RTMR3 proves which code runs. 0.001 USDC a request. Send { rules, nonce? }.",
        "maxAmountRequired": "1000",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
        "amount": "1000",
        "scheme": "exact",
        "network": "eip155:42161",
        "mimeType": "application/json",
        "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
        "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result and the enclave key, one binds that key to sha256 of your nonce. The compose-hash in RTMR3 proves which code runs. 0.001 USDC a request. Send { rules, nonce? }.",
        "maxAmountRequired": "1000",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
        "amount": "1000",
        "scheme": "exact",
        "network": "eip155:5042",
        "mimeType": "application/json",
        "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
        "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result and the enclave key, one binds that key to sha256 of your nonce. The compose-hash in RTMR3 proves which code runs. 0.001 USDC a request. Send { rules, nonce? }.",
        "maxAmountRequired": "1000",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
        "amount": "1000",
        "scheme": "exact",
        "network": "eip155:4663",
        "mimeType": "application/json",
        "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
        "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result and the enclave key, one binds that key to sha256 of your nonce. The compose-hash in RTMR3 proves which code runs. 0.001 USDC a request. Send { rules, nonce? }.",
        "maxAmountRequired": "1000",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
        "amount": "1000",
        "scheme": "exact",
        "network": "eip155:143",
        "mimeType": "application/json",
        "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
        "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result and the enclave key, one binds that key to sha256 of your nonce. The compose-hash in RTMR3 proves which code runs. 0.001 USDC a request. Send { rules, nonce? }.",
        "maxAmountRequired": "1000",
        "maxTimeoutSeconds": 300
      },
      {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "F742C4VfFLQ9zRQyithoj5229ZgtX2WqKCSFKgH2EThq"
        },
        "payTo": "GQcEn5pLcweo7qaiy3rDdsiUPiygygmFBaixNtNqhQVD",
        "amount": "1000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "mimeType": "application/json",
        "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
        "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result and the enclave key, one binds that key to sha256 of your nonce. The compose-hash in RTMR3 proves which code runs. 0.001 USDC a request. Send { rules, nonce? }.",
        "maxAmountRequired": "1000",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
      "tags": [
        "tee",
        "typed",
        "compile"
      ],
      "iconUrl": "https://www.taifoon.io/apple-touch-icon.png",
      "mimeType": "application/json",
      "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result and the enclave key, one binds that key to sha256 of your nonce. The compose-hash in RTMR3 proves which code runs. 0.001 USDC a request. Send { rules, nonce? }.",
      "serviceName": "Taifoon"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "nonce": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
              "rules": "Rate the urgency of the ticket from 1 to 5. Say whether a refund is needed."
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "class": "tee.typed.compile",
              "result": {
                "class": "tee.typed.compile",
                "ready": true,
                "rules": "Rate the urgency of the ticket from 1 to 5. Say whether a refund is needed.",
                "questions": [
                  {
                    "id": "rate_urgency_ticket_1",
                    "kind": "score",
                    "text": "Rate the urgency of the ticket?",
                    "levels": [
                      "1 (lowest)",
                      "2",
                      "3",
                      "4",
                      "5 (highest)"
                    ]
                  },
                  {
                    "id": "say_refund_needed",
                    "kind": "noul",
                    "text": "Say whether a refund is needed?"
                  }
                ]
              },
              "enclave": {
                "mode": "tdx",
                "quote": "04000200…",
                "app_id": "4c149b4f7ad6365a298f29e9b950379cdc4eb4f7",
                "address": "the enclave key (GET https://coord.taifoon.dev/v1/our-cards?card=tee enclave.attestation names it)",
                "report_data": "…128 hex"
              },
              "challenge": {
                "nonce": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
                "quote": "04000200…",
                "report_data": "…128 hex"
              },
              "verification": {
                "checks": {
                  "fresh": true,
                  "quote_bound": true,
                  "enclave_real": true
                },
                "compose": {
                  "ok": true,
                  "compose_hash": "a90d344ec2057f095058feba3374910cfb4277bae6db6b6727bc0d296f225c1e"
                },
                "same_td": true,
                "delivery_verified": true,
                "challenge_verified": true
              }
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object",
                  "required": [
                    "rules"
                  ],
                  "properties": {
                    "nonce": {
                      "type": "string",
                      "pattern": "^[0-9a-fA-F]{8,128}$",
                      "description": "optional: your challenge (e.g. the sha256 of your payload); the challenge quote binds the enclave key to sha256 of it"
                    },
                    "rules": {
                      "type": "string",
                      "maxLength": 1000,
                      "minLength": 4,
                      "description": "the rules in words, one clause per rule; compiled into typed questions inside the enclave"
                    }
                  }
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "headers": {
                  "type": "object",
                  "additionalProperties": {
                    "type": "string"
                  }
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "additionalProperties": {
                    "type": "string"
                  }
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object",
                  "required": [
                    "class",
                    "result",
                    "enclave",
                    "challenge",
                    "verification"
                  ],
                  "properties": {
                    "class": {
                      "type": "string",
                      "const": "tee.typed.compile"
                    },
                    "result": {
                      "type": "object",
                      "description": "class, rules, ready, questions[]: the compile"
                    },
                    "enclave": {
                      "type": "object",
                      "description": "mode tdx, address (the enclave key), app_id, mrtd, report_data = sha256(JSON(result)) ‖ address ‖ 0^12, quote (TDX v4, hex)"
                    },
                    "challenge": {
                      "type": "object",
                      "description": "nonce, report_data = address ‖ sha256(nonce) ‖ 0^12, quote (TDX v4, hex)"
                    },
                    "verification": {
                      "type": "object",
                      "description": "verifier answers on both quotes, same_td, compose (RTMR3 replay, compose-hash, catalogue), checks"
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2,
    "without_x402": {
      "why": "x402 is settled on eip155:8453 (Base), eip155:42161 (Arbitrum One), eip155:5042 (Arc), eip155:4663 (Robinhood Chain), eip155:143 (Monad), solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp (Solana): pay the entry of the network you hold the dollar token on. A key with a balance is the other way to pay, the same price on any of them.",
      "direct": {
        "then": "send the same request with X-API-Key: it is paid from the balance at the same price",
        "quote": "GET https://www.taifoon.io/v1/access/quote?usdc=1&chainId=<id> with X-API-Key (POST /v1/register for one), then POST /v1/access/topup { tx, signature, chainId }",
        "chains": [
          "eip155:8453 (Base, USDC)",
          "eip155:42161 (Arbitrum One, USDC)",
          "eip155:5042 (Arc, USDC)",
          "eip155:4663 (Robinhood Chain, USDG)",
          "eip155:143 (Monad, USDC)"
        ],
        "for_a_person": "https://www.taifoon.io/pricing"
      },
      "settles_x402": [
        "eip155:8453",
        "eip155:42161",
        "eip155:5042",
        "eip155:4663",
        "eip155:143",
        "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
      ]
    }
  },
  "error": "one tee.typed.compile answer from Taifoon's TDX enclave is 0.001 USDC; both quotes are verified before you are charged",
  "terms": {
    "api": "{ rules (1 to 1,000 characters), nonce? (8 to 128 hex characters) } in; { result, enclave { quote, address, report_data }, challenge { nonce, quote, report_data }, verification } out",
    "per": "request",
    "lane": {
      "id": "hardware",
      "mode": "tdx",
      "proof": "https://proof.t16z.com/reports/9b52590fe3dd8a6f5e540f71fc5ac153d0bd1bafc91a06eb7d03c866454c7f96",
      "app_id": "4c149b4f7ad6365a298f29e9b950379cdc4eb4f7",
      "accepted": "2026-10-11T15:25:50Z",
      "compose_hash": "a90d344ec2057f095058feba3374910cfb4277bae6db6b6727bc0d296f225c1e",
      "trust_center": "https://trust.phala.com/app/4c149b4f7ad6365a298f29e9b950379cdc4eb4f7"
    },
    "basis": "the compile unit is cost-plus: tdx.small at 0.058 USD an hour + 20 % for the 1 billed second the compose sets = 20 micro-USDC a compile, which a key pays from its one balance; x402 cannot carry 20 micro-USDC, so one x402 request (one compile, a challenge quote, both quotes verified) is priced at the x402 minimum 0.001 USDC = 1,000 micro-USDC, the cost-plus price of at most 51 billed enclave-seconds (1,000 / 19.33)",
    "class": "tee.typed.compile",
    "proves": "real Intel TDX hardware (Phala's public verifier answers quote.verified true on both quotes), which compose runs (the event log replays to RTMR3 and names the compose-hash; sha256(app_compose) is that hash and it is the catalogue's hardware lane compose_hash), and what report_data binds: sha256 of the delivered result followed by the enclave key (the delivery quote), and the enclave key followed by sha256 of the challenge (the challenge quote; the caller's own nonce, e.g. the sha256 of its payload, or a fresh one); not that the host runs nothing else, and not its uptime",
    "catalogue": "https://coord.taifoon.dev/v1/products/taifoon.tee",
    "key_price": {
      "unit": "compile",
      "paid_from": "the key’s one balance (send X-API-Key)",
      "micro_usdc": 20
    },
    "served_by": "taifoon.tee",
    "price_usdc": 0.001,
    "price_units": "1000",
    "venue_classes": [
      "compute.attested"
    ]
  },
  "next_step": {
    "why": "pay 0.001 USDC with x402 and send the same request again with the PAYMENT-SIGNATURE (or X-PAYMENT) header; both quotes are verified before you are charged",
    "also": [
      {
        "why": "a key with a balance pays the compile unit itself (20 micro-USDC) from its one balance: send X-API-Key",
        "http": {
          "url": "https://coord.taifoon.dev/v1/register",
          "method": "POST"
        },
        "action": "use_instead"
      }
    ],
    "http": {
      "url": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
      "body": {
        "nonce": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
        "rules": "Rate the urgency of the ticket from 1 to 5. Say whether a refund is needed."
      },
      "header": "PAYMENT-SIGNATURE",
      "method": "POST"
    },
    "price": {
      "per": "request",
      "chain": 8453,
      "amount": "0.001",
      "currency": "USDC"
    },
    "action": "retry",
    "evaluator": "/v1/judge/evaluator"
  }
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
    "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result…",
    "maxAmountRequired": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
    "scheme": "exact",
    "network": "eip155:42161",
    "mimeType": "application/json",
    "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
    "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result…",
    "maxAmountRequired": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x3600000000000000000000000000000000000000",
    "extra": {
      "name": "USDC",
      "version": "2"
    },
    "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
    "scheme": "exact",
    "network": "eip155:5042",
    "mimeType": "application/json",
    "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
    "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result…",
    "maxAmountRequired": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
    "extra": {
      "name": "Global Dollar",
      "version": "1"
    },
    "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
    "scheme": "exact",
    "network": "eip155:4663",
    "mimeType": "application/json",
    "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
    "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result…",
    "maxAmountRequired": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
    "extra": {
      "name": "USDC",
      "version": "2"
    },
    "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
    "scheme": "exact",
    "network": "eip155:143",
    "mimeType": "application/json",
    "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
    "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result…",
    "maxAmountRequired": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "F742C4VfFLQ9zRQyithoj5229ZgtX2WqKCSFKgH2EThq"
    },
    "payTo": "GQcEn5pLcweo7qaiy3rDdsiUPiygygmFBaixNtNqhQVD",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "mimeType": "application/json",
    "resource": "https://coord.taifoon.dev/v1/x402/class/tee.typed.compile",
    "description": "Rules compiled into typed questions inside Taifoon's Intel TDX enclave (Phala Cloud). The answer carries two TDX quotes, both verified by Phala's verifier before you are charged: one binds the result…",
    "maxAmountRequired": "1000",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

2026-10-21 17:19Z

Last indexed by Roundhouse

2026-10-23 20:46Z

Last enriched (probe, favicon, geo)

2026-10-15 16:45Z

x402 version

1

Max timeout

300s

Liveness probe

HTTP 402