{
  "x402Version": 2,
  "id": 57616,
  "slug": "57616",
  "resource": "https://tanod.dev/v1/fx/stablecoin-peg",
  "description": "Stablecoin peg check: price vs USD, deviation in basis points and peg status for USDC, USDT, DAI, USDe and PYUSD from public Ethereum pools (utilpeek by Tanod). Use when an agent must check whether USDC, USDT, DAI, USDe or PYUSD still trades at one dollar, from on-chain pools.",
  "type": "http",
  "serviceName": "Tanod utilpeek",
  "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png",
  "resourceType": "Beauty & Personal Care",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:56",
      "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
      "asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d",
      "amount": "1000000000000000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 604900
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 604900
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/fx/stablecoin-peg",
        "properties": {
          "age_s": {
            "type": "integer"
          },
          "block": {
            "type": [
              "integer",
              "null"
            ]
          },
          "cached": {
            "type": "boolean"
          },
          "chain": {
            "type": "string"
          },
          "coins": {
            "type": "array"
          },
          "disclaimer": {
            "type": "string"
          },
          "errors": {
            "type": "array"
          },
          "indicative": {
            "type": "boolean"
          },
          "licence": {
            "type": "string"
          },
          "method": {
            "type": "string"
          },
          "quote_asset": {
            "type": "string"
          },
          "read_at": {
            "type": [
              "string",
              "null"
            ]
          },
          "thresholds_bps": {
            "type": "object"
          },
          "timestamp": {
            "type": [
              "string",
              "null"
            ]
          },
          "warnings": {
            "type": "array"
          }
        },
        "required": [
          "chain",
          "coins",
          "errors",
          "thresholds_bps",
          "indicative",
          "disclaimer"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {},
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "age_s": 0,
            "block": 26181166,
            "cached": false,
            "chain": "ethereum",
            "coins": [
              {
                "coin": "USDC",
                "cross_check": [
                  {
                    "coin_price_in_usdc": "0.99887095",
                    "depth_usd": 33902678,
                    "implied_usdc_price_usd": "1.0011303",
                    "pool": "0x3416cF6C708Da44DB2624D63ea0AAef7113527C6",
                    "venue": "uniswap_v3",
                    "vs": "USDT"
                  },
                  {
                    "coin_price_in_usdc": "0.99996720",
                    "depth_usd": 1421443,
                    "implied_usdc_price_usd": "1.0000328",
                    "pool": "0x5777d92f208679DB4b9778590Fa3CAB3aC9e2168",
                    "venue": "uniswap_v3",
                    "vs": "DAI"
                  }
                ],
                "depth_usd": null,
                "deviation_bps": 2.43,
                "pools": [],
                "price_basis": "cross_check",
                "price_usd": "1.0002433",
                "quoted_in": null,
                "reference_spread_bps": 11.74,
                "status": "on_peg",
                "thin": false
              },
              {
                "coin": "USDT",
                "depth_usd": 33902678,
                "deviation_bps": -11.29,
                "pool_spread_bps": 1.87,
                "pools": [
                  {
                    "ask": "0.99897097",
                    "bid": "0.99877095",
                    "coin_in_pool": 28342870,
                    "depth_usd": 33902678,
                    "deviation_bps": -11.29,
                    "fee_tier": 100,
                    "impact_bps_10k": 0.11,
                    "pool": "0x3416cF6C708Da44DB2624D63ea0AAef7113527C6",
                    "price_usd": "0.99887095",
                    "thin": false,
                    "usdc_in_pool": 5559808,
                    "venue": "uniswap_v3"
                  },
                  {
                    "ask": "0.99955757",
                    "bid": "0.99855719",
                    "coin_in_pool": 348500,
                    "depth_usd": 497183,
                    "deviation_bps": -9.43,
                    "fee_tier": 500,
                    "impact_bps_10k": 0.86,
                    "pool": "0x7858E59e0C01EA06Df3aF3D20aC7B0003275D4Bf",
                    "price_usd": "0.99905725",
                    "thin": false,
                    "usdc_in_pool": 148683,
                    "venue": "uniswap_v3"
                  }
                ],
                "price_basis": "pool",
                "price_usd": "0.99887095",
                "quoted_in": "USDC",
                "status": "on_peg",
                "thin": false
              }
            ],
            "disclaimer": "Indicative on-chain prices read from public Uniswap V3 pools on Ethereum at the stated block. They…",
            "errors": [],
            "indicative": true,
            "licence": "Chain data: no licence restrictions, anyone may read and use it.",
            "method": "Each coin is priced against USDC in Uniswap V3 pools on Ethereum (QuoterV2 eth_calls at USD 100, fe…",
            "quote_asset": "USDC",
            "read_at": "2026-10-13T04:25:33Z",
            "thresholds_bps": {
              "off_peg_above": 200,
              "on_peg_below": 50,
              "rule": "on_peg if |deviation_bps| < 50; watch from 50 to 200; off_peg if above 200"
            },
            "timestamp": "2026-10-13T04:25:23Z",
            "warnings": []
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "coins": {
                    "anyOf": [
                      {
                        "items": {
                          "maxLength": 12,
                          "minLength": 1,
                          "type": "string"
                        },
                        "maxItems": 10,
                        "type": "array"
                      },
                      {
                        "type": "null"
                      }
                    ],
                    "default": null,
                    "description": "Stablecoins to check, any of USDC, USDT, DAI, USDe and PYUSD (case does not matter). Omit for all five; an unknown coin is a 422 that lists the supported ones."
                  }
                },
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/fx/stablecoin-peg",
                "properties": {
                  "age_s": {
                    "type": "integer"
                  },
                  "block": {
                    "type": [
                      "integer",
                      "null"
                    ]
                  },
                  "cached": {
                    "type": "boolean"
                  },
                  "chain": {
                    "type": "string"
                  },
                  "coins": {
                    "type": "array"
                  },
                  "disclaimer": {
                    "type": "string"
                  },
                  "errors": {
                    "type": "array"
                  },
                  "indicative": {
                    "type": "boolean"
                  },
                  "licence": {
                    "type": "string"
                  },
                  "method": {
                    "type": "string"
                  },
                  "quote_asset": {
                    "type": "string"
                  },
                  "read_at": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "thresholds_bps": {
                    "type": "object"
                  },
                  "timestamp": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "warnings": {
                    "type": "array"
                  }
                },
                "required": [
                  "chain",
                  "coins",
                  "errors",
                  "thresholds_bps",
                  "indicative",
                  "disclaimer"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "builder-code": {
      "info": {
        "a": "bc_h7pxv14u"
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "a": {
            "description": "App builder code",
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          },
          "s": {
            "description": "Service builder codes",
            "items": {
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "maxItems": 11,
            "type": "array"
          },
          "w": {
            "description": "Wallet builder code",
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          }
        },
        "type": "object"
      }
    },
    "erc20ApprovalGasSponsoring": {
      "info": {
        "description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.",
        "version": "1"
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "amount": {
            "description": "Approval amount (uint256).",
            "pattern": "^[0-9]+$",
            "type": "string"
          },
          "asset": {
            "description": "The ERC-20 token contract address to approve.",
            "pattern": "^0x[a-fA-F0-9]{40}$",
            "type": "string"
          },
          "from": {
            "description": "The address of the sender.",
            "pattern": "^0x[a-fA-F0-9]{40}$",
            "type": "string"
          },
          "signedTransaction": {
            "description": "RLP-encoded signed transaction calling ERC20.approve().",
            "pattern": "^0x[a-fA-F0-9]+$",
            "type": "string"
          },
          "spender": {
            "description": "The address of the spender (Canonical Permit2).",
            "pattern": "^0x[a-fA-F0-9]{40}$",
            "type": "string"
          },
          "version": {
            "description": "Schema version identifier.",
            "pattern": "^[0-9]+(\\.[0-9]+)*$",
            "type": "string"
          }
        },
        "required": [
          "from",
          "asset",
          "spender",
          "amount",
          "signedTransaction",
          "version"
        ],
        "type": "object"
      }
    },
    "payment-identifier": {
      "info": {
        "required": false
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "id": {
            "maxLength": 128,
            "minLength": 16,
            "pattern": "^[a-zA-Z0-9_-]+$",
            "type": "string"
          },
          "required": {
            "type": "boolean"
          }
        },
        "required": [
          "required"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "utilpeek",
    "fx",
    "stablecoin",
    "peg",
    "fx-rates",
    "bazaar",
    "builder-code",
    "erc20ApprovalGasSponsoring",
    "payment-identifier"
  ],
  "sourceHost": "tanod.dev",
  "lastUpdated": "2026-10-13T20:39:18.737Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-13T20:39:17.529Z"
  },
  "metadata": {
    "serviceName": "Tanod utilpeek",
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {},
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "age_s": 0,
              "block": 26181166,
              "cached": false,
              "chain": "ethereum",
              "coins": [
                {
                  "coin": "USDC",
                  "cross_check": [
                    {
                      "coin_price_in_usdc": "0.99887095",
                      "depth_usd": 33902678,
                      "implied_usdc_price_usd": "1.0011303",
                      "pool": "0x3416cF6C708Da44DB2624D63ea0AAef7113527C6",
                      "venue": "uniswap_v3",
                      "vs": "USDT"
                    },
                    {
                      "coin_price_in_usdc": "0.99996720",
                      "depth_usd": 1421443,
                      "implied_usdc_price_usd": "1.0000328",
                      "pool": "0x5777d92f208679DB4b9778590Fa3CAB3aC9e2168",
                      "venue": "uniswap_v3",
                      "vs": "DAI"
                    }
                  ],
                  "depth_usd": null,
                  "deviation_bps": 2.43,
                  "pools": [],
                  "price_basis": "cross_check",
                  "price_usd": "1.0002433",
                  "quoted_in": null,
                  "reference_spread_bps": 11.74,
                  "status": "on_peg",
                  "thin": false
                },
                {
                  "coin": "USDT",
                  "depth_usd": 33902678,
                  "deviation_bps": -11.29,
                  "pool_spread_bps": 1.87,
                  "pools": [
                    {
                      "ask": "0.99897097",
                      "bid": "0.99877095",
                      "coin_in_pool": 28342870,
                      "depth_usd": 33902678,
                      "deviation_bps": -11.29,
                      "fee_tier": 100,
                      "impact_bps_10k": 0.11,
                      "pool": "0x3416cF6C708Da44DB2624D63ea0AAef7113527C6",
                      "price_usd": "0.99887095",
                      "thin": false,
                      "usdc_in_pool": 5559808,
                      "venue": "uniswap_v3"
                    },
                    {
                      "ask": "0.99955757",
                      "bid": "0.99855719",
                      "coin_in_pool": 348500,
                      "depth_usd": 497183,
                      "deviation_bps": -9.43,
                      "fee_tier": 500,
                      "impact_bps_10k": 0.86,
                      "pool": "0x7858E59e0C01EA06Df3aF3D20aC7B0003275D4Bf",
                      "price_usd": "0.99905725",
                      "thin": false,
                      "usdc_in_pool": 148683,
                      "venue": "uniswap_v3"
                    }
                  ],
                  "price_basis": "pool",
                  "price_usd": "0.99887095",
                  "quoted_in": "USDC",
                  "status": "on_peg",
                  "thin": false
                }
              ],
              "disclaimer": "Indicative on-chain prices read from public Uniswap V3 pools on Ethereum at the stated block. They…",
              "errors": [],
              "indicative": true,
              "licence": "Chain data: no licence restrictions, anyone may read and use it.",
              "method": "Each coin is priced against USDC in Uniswap V3 pools on Ethereum (QuoterV2 eth_calls at USD 100, fe…",
              "quote_asset": "USDC",
              "read_at": "2026-10-13T04:25:33Z",
              "thresholds_bps": {
                "off_peg_above": 200,
                "on_peg_below": 50,
                "rule": "on_peg if |deviation_bps| < 50; watch from 50 to 200; off_peg if above 200"
              },
              "timestamp": "2026-10-13T04:25:23Z",
              "warnings": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "coins": {
                      "anyOf": [
                        {
                          "items": {
                            "maxLength": 12,
                            "minLength": 1,
                            "type": "string"
                          },
                          "maxItems": 10,
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "description": "Stablecoins to check, any of USDC, USDT, DAI, USDe and PYUSD (case does not matter). Omit for all five; an unknown coin is a 422 that lists the supported ones."
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "description": "Abridged to fit the header. Full example: the 402 JSON body. Full schema: https://tanod.dev/openapi.json POST /v1/fx/stablecoin-peg",
                  "properties": {
                    "age_s": {
                      "type": "integer"
                    },
                    "block": {
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "cached": {
                      "type": "boolean"
                    },
                    "chain": {
                      "type": "string"
                    },
                    "coins": {
                      "type": "array"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "errors": {
                      "type": "array"
                    },
                    "indicative": {
                      "type": "boolean"
                    },
                    "licence": {
                      "type": "string"
                    },
                    "method": {
                      "type": "string"
                    },
                    "quote_asset": {
                      "type": "string"
                    },
                    "read_at": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "thresholds_bps": {
                      "type": "object"
                    },
                    "timestamp": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "warnings": {
                      "type": "array"
                    }
                  },
                  "required": [
                    "chain",
                    "coins",
                    "errors",
                    "thresholds_bps",
                    "indicative",
                    "disclaimer"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_h7pxv14u"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "erc20ApprovalGasSponsoring": {
        "info": {
          "description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.",
          "version": "1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "amount": {
              "description": "Approval amount (uint256).",
              "pattern": "^[0-9]+$",
              "type": "string"
            },
            "asset": {
              "description": "The ERC-20 token contract address to approve.",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "from": {
              "description": "The address of the sender.",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "signedTransaction": {
              "description": "RLP-encoded signed transaction calling ERC20.approve().",
              "pattern": "^0x[a-fA-F0-9]+$",
              "type": "string"
            },
            "spender": {
              "description": "The address of the spender (Canonical Permit2).",
              "pattern": "^0x[a-fA-F0-9]{40}$",
              "type": "string"
            },
            "version": {
              "description": "Schema version identifier.",
              "pattern": "^[0-9]+(\\.[0-9]+)*$",
              "type": "string"
            }
          },
          "required": [
            "from",
            "asset",
            "spender",
            "amount",
            "signedTransaction",
            "version"
          ],
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "tanod.dev",
    "manifest_name": "tanod.dev",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "example": {
      "age_s": 0,
      "block": 0,
      "cached": true,
      "chain": "string",
      "coins": [
        "value"
      ],
      "disclaimer": "string",
      "errors": [
        "value"
      ],
      "indicative": true,
      "licence": "string",
      "method": "string",
      "quote_asset": "string",
      "read_at": "string",
      "thresholds_bps": {},
      "timestamp": "string",
      "warnings": [
        "value"
      ]
    },
    "type": "string"
  }
}