FETCH402
← Protocol index

Resource / 64

healthy

Otto AI.

GET https://x402.ottoai.services/yield-markets ↗

DeFi yield farming markets with live APYs across Aave V3 and Morpho on Base, Ethereum, and other major chains. Find the best stablecoin yield (USDC) and ETH yield for idle capital: returns supply APY, TVL, and vault/market addresses per token, filterable by protocol, chain, or token symbol. Compare DeFi yield rates across lending markets and vaults before depositing.

Eligibility
probeable
Failures
0
Last quote
2026-08-12 21:30:02 UTC
Last probe
2026-08-12 21:30:02 UTC
Payment requirements / accepts[] 4 options
State Network Scheme Atomic amount Asset payTo / untrusted
active eip155:8453 exact 1000 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 0x5bB4B0C766E0D5D791d9403Fc275c22064709F68
active eip155:8453 exact 1000 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 0x5bB4B0C766E0D5D791d9403Fc275c22064709F68
active eip155:137 exact 1000 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 0x5bB4B0C766E0D5D791d9403Fc275c22064709F68
active eip155:137 exact 1000 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 0x5bB4B0C766E0D5D791d9403Fc275c22064709F68

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 1 recent
healthy 2026-08-12 21:30:02 UTC GET · HTTP 402 · 115ms · accepts 4 · base 2 ok
Request
GET https://x402.ottoai.services/yield-markets
Robots
error
Note
robots_error:{:robots_http_status, 404};http_402;accepts=4;base=2
Accepts fingerprint
66f0f6c297d2526bcb65d7ba10dd4c9ef0bbe26b13753d37a7330fd82d3c2771

Accepts snapshot

[
  {
    "amount": "1000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetTransferMethod": null,
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:8453",
    "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
    "paymentFlow": null,
    "raw": {
      "amount": "1000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:8453",
      "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "pay_to": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "scheme": "exact"
    },
    "scheme": "exact"
  },
  {
    "amount": "1000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetTransferMethod": "permit2",
    "extra": {
      "assetTransferMethod": "permit2",
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:8453",
    "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
    "paymentFlow": null,
    "raw": {
      "amount": "1000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "assetTransferMethod": "permit2",
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:8453",
      "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "pay_to": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "scheme": "exact"
    },
    "scheme": "exact"
  },
  {
    "amount": "1000",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "assetTransferMethod": null,
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:137",
    "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
    "paymentFlow": null,
    "raw": {
      "amount": "1000",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:137",
      "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "pay_to": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "scheme": "exact"
    },
    "scheme": "exact"
  },
  {
    "amount": "1000",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "assetTransferMethod": "permit2",
    "extra": {
      "assetTransferMethod": "permit2",
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:137",
    "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
    "paymentFlow": null,
    "raw": {
      "amount": "1000",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "extra": {
        "assetTransferMethod": "permit2",
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:137",
      "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "pay_to": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "scheme": "exact"
    },
    "scheme": "exact"
  }
]

PaymentRequired raw 

{
  "accepts": [
    {
      "amount": "1000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:8453",
      "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "scheme": "exact"
    },
    {
      "amount": "1000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "assetTransferMethod": "permit2",
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:8453",
      "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "scheme": "exact"
    },
    {
      "amount": "1000",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:137",
      "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "scheme": "exact"
    },
    {
      "amount": "1000",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "extra": {
        "assetTransferMethod": "permit2",
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:137",
      "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
      "scheme": "exact"
    }
  ],
  "error": "Payment required",
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {},
          "type": "http"
        },
        "output": {
          "example": {
            "markets": [
              {
                "apy": 4.5,
                "asset": "USDC",
                "protocol": "Aave V3"
              }
            ],
            "status": "success"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {},
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "markets": {
                    "type": "array"
                  },
                  "status": {
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "builder-code": {
      "info": {
        "a": "bc_hc2dhq09"
      },
      "schema": {
        "$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"
            },
            "type": "array"
          },
          "w": {
            "description": "Wallet builder code",
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          }
        },
        "type": "object"
      }
    },
    "offer-receipt": {
      "info": {
        "offers": [
          {
            "acceptIndex": 0,
            "format": "eip712",
            "payload": {
              "amount": "1000",
              "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "network": "eip155:8453",
              "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
              "resourceUrl": "https://x402.ottoai.services/yield-markets",
              "scheme": "exact",
              "validUntil": 1786570502,
              "version": 1
            },
            "signature": "0x69fe6e3137c5e1b81afe68d1d685f49b5355015c73308eef9ff286477fa585c4176cb94d4d54a814752e1bde37ede2c19ed675ecc75cb10f56c8f51b897aa5431b"
          },
          {
            "acceptIndex": 1,
            "format": "eip712",
            "payload": {
              "amount": "1000",
              "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "network": "eip155:8453",
              "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
              "resourceUrl": "https://x402.ottoai.services/yield-markets",
              "scheme": "exact",
              "validUntil": 1786570502,
              "version": 1
            },
            "signature": "0x69fe6e3137c5e1b81afe68d1d685f49b5355015c73308eef9ff286477fa585c4176cb94d4d54a814752e1bde37ede2c19ed675ecc75cb10f56c8f51b897aa5431b"
          },
          {
            "acceptIndex": 2,
            "format": "eip712",
            "payload": {
              "amount": "1000",
              "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
              "network": "eip155:137",
              "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
              "resourceUrl": "https://x402.ottoai.services/yield-markets",
              "scheme": "exact",
              "validUntil": 1786570502,
              "version": 1
            },
            "signature": "0x5cad055234041752a0b26e627641877847f740b603c1aea0b827322f48bbddf51d636ad63aea266f70fc8c4b6db087ce7c445749adb019067e19c7bc9daf13371b"
          },
          {
            "acceptIndex": 3,
            "format": "eip712",
            "payload": {
              "amount": "1000",
              "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
              "network": "eip155:137",
              "payTo": "0x5bB4B0C766E0D5D791d9403Fc275c22064709F68",
              "resourceUrl": "https://x402.ottoai.services/yield-markets",
              "scheme": "exact",
              "validUntil": 1786570502,
              "version": 1
            },
            "signature": "0x5cad055234041752a0b26e627641877847f740b603c1aea0b827322f48bbddf51d636ad63aea266f70fc8c4b6db087ce7c445749adb019067e19c7bc9daf13371b"
          }
        ]
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "offers": {
            "items": {
              "properties": {
                "acceptIndex": {
                  "type": "integer"
                },
                "format": {
                  "type": "string"
                },
                "payload": {
                  "properties": {
                    "amount": {
                      "type": "string"
                    },
                    "asset": {
                      "type": "string"
                    },
                    "network": {
                      "type": "string"
                    },
                    "payTo": {
                      "type": "string"
                    },
                    "resourceUrl": {
                      "type": "string"
                    },
                    "scheme": {
                      "type": "string"
                    },
                    "validUntil": {
                      "type": "integer"
                    },
                    "version": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "version",
                    "resourceUrl",
                    "scheme",
                    "network",
                    "asset",
                    "payTo",
                    "amount"
                  ],
                  "type": "object"
                },
                "signature": {
                  "type": "string"
                }
              },
              "required": [
                "format",
                "signature"
              ],
              "type": "object"
            },
            "type": "array"
          }
        },
        "required": [
          "offers"
        ],
        "type": "object"
      }
    },
    "sign-in-with-x": {
      "info": {
        "domain": "x402.ottoai.services",
        "issuedAt": "2026-08-12T21:30:02.053Z",
        "nonce": "ac5549b41dbcb0006f37f095e2ab0015",
        "resources": [
          "https://x402.ottoai.services/yield-markets"
        ],
        "statement": "Sign in to access Otto AI yield data",
        "uri": "https://x402.ottoai.services/yield-markets",
        "version": "1"
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "address": {
            "type": "string"
          },
          "chainId": {
            "type": "string"
          },
          "domain": {
            "type": "string"
          },
          "expirationTime": {
            "format": "date-time",
            "type": "string"
          },
          "issuedAt": {
            "format": "date-time",
            "type": "string"
          },
          "nonce": {
            "type": "string"
          },
          "notBefore": {
            "format": "date-time",
            "type": "string"
          },
          "requestId": {
            "type": "string"
          },
          "resources": {
            "items": {
              "format": "uri",
              "type": "string"
            },
            "type": "array"
          },
          "signature": {
            "type": "string"
          },
          "statement": {
            "type": "string"
          },
          "type": {
            "type": "string"
          },
          "uri": {
            "format": "uri",
            "type": "string"
          },
          "version": {
            "type": "string"
          }
        },
        "required": [
          "domain",
          "address",
          "uri",
          "version",
          "chainId",
          "type",
          "nonce",
          "issuedAt",
          "signature"
        ],
        "type": "object"
      },
      "supportedChains": [
        {
          "chainId": "eip155:8453",
          "type": "eip191"
        },
        {
          "chainId": "eip155:137",
          "type": "eip191"
        }
      ]
    }
  },
  "resource": {
    "description": "DeFi yield farming markets with live APYs across Aave V3 and Morpho on Base, Ethereum, and other major chains. Find the best stablecoin yield (USDC) and ETH yield for idle capital: returns supply APY, TVL, and vault/market addresses per token, filterable by protocol, chain, or token symbol. Compare DeFi yield rates across lending markets and vaults before depositing.",
    "iconUrl": "https://x402.ottoai.services/assets/otto-icon.png",
    "mimeType": "application/json",
    "serviceName": "Otto AI",
    "tags": [
      "yield farming",
      "stablecoin yield",
      "defi yield",
      "aave",
      "morpho"
    ],
    "url": "https://x402.ottoai.services/yield-markets"
  },
  "x402Version": 2
}

Response headers

{
  "access-control-allow-origin": "*",
  "access-control-expose-headers": "PAYMENT-RESPONSE,PAYMENT-REQUIRED",
  "connection": "keep-alive",
  "content-type": "application/json; charset=utf-8",
  "date": "Wed, 12 Aug 2026 21:30:02 GMT",
  "etag": "W/\"28b-dbGmV12sMUpOC9JHvZX8E1PlrIU\"",
  "payment-required": "{"x402Version":2,"error":"Payment required","resource":{"url":"https://x402.ottoai.services/yield-markets","description":"DeFi yield farming markets with live APYs across Aave V3 and Morpho on Base, Ethereum, and other major chains. Find the best stablecoin yield (USDC) and ETH yield for idle capital: returns supply APY, TVL, and vault/market addresses per token, filterable by protocol, chain, or token symbol. Compare DeFi yield rates across lending markets and vaults before depositing.","mimeType":"application/json","serviceName":"Otto AI","tags":["yield farming","stablecoin yield","defi yield","aave","morpho"],"iconUrl":"https://x402.ottoai.services/assets/otto-icon.png"},"accepts":[{"scheme":"exact","network":"eip155:8453","amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x5bB4B0C766E0D5D791d9403Fc275c22064709F68","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"eip155:8453","amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x5bB4B0C766E0D5D791d9403Fc275c22064709F68","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2","assetTransferMethod":"permit2"}},{"scheme":"exact","network":"eip155:137","amount":"1000","asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","payTo":"0x5bB4B0C766E0D5D791d9403Fc275c22064709F68","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}},{"scheme":"exact","network":"eip155:137","amount":"1000","asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","payTo":"0x5bB4B0C766E0D5D791d9403Fc275c22064709F68","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2","assetTransferMethod":"permit2"}}],"extensions":{"offer-receipt":{"info":{"offers":[{"format":"eip712","acceptIndex":0,"payload":{"version":1,"resourceUrl":"https://x402.ottoai.services/yield-markets","scheme":"exact","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x5bB4B0C766E0D5D791d9403Fc275c22064709F68","amount":"1000","validUntil":1786570502},"signature":"0x69fe6e3137c5e1b81afe68d1d685f49b5355015c73308eef9ff286477fa585c4176cb94d4d54a814752e1bde37ede2c19ed675ecc75cb10f56c8f51b897aa5431b"},{"format":"eip712","acceptIndex":1,"payload":{"version":1,"resourceUrl":"https://x402.ottoai.services/yield-markets","scheme":"exact","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x5bB4B0C766E0D5D791d9403Fc275c22064709F68","amount":"1000","validUntil":1786570502},"signature":"0x69fe6e3137c5e1b81afe68d1d685f49b5355015c73308eef9ff286477fa585c4176cb94d4d54a814752e1bde37ede2c19ed675ecc75cb10f56c8f51b897aa5431b"},{"format":"eip712","acceptIndex":2,"payload":{"version":1,"resourceUrl":"https://x402.ottoai.services/yield-markets","scheme":"exact","network":"eip155:137","asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","payTo":"0x5bB4B0C766E0D5D791d9403Fc275c22064709F68","amount":"1000","validUntil":1786570502},"signature":"0x5cad055234041752a0b26e627641877847f740b603c1aea0b827322f48bbddf51d636ad63aea266f70fc8c4b6db087ce7c445749adb019067e19c7bc9daf13371b"},{"format":"eip712","acceptIndex":3,"payload":{"version":1,"resourceUrl":"https://x402.ottoai.services/yield-markets","scheme":"exact","network":"eip155:137","asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","payTo":"0x5bB4B0C766E0D5D791d9403Fc275c22064709F68","amount":"1000","validUntil":1786570502},"signature":"0x5cad055234041752a0b26e627641877847f740b603c1aea0b827322f48bbddf51d636ad63aea266f70fc8c4b6db087ce7c445749adb019067e19c7bc9daf13371b"}]},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"offers":{"type":"array","items":{"type":"object","properties":{"format":{"type":"string"},"acceptIndex":{"type":"integer"},"payload":{"type":"object","properties":{"version":{"type":"integer"},"resourceUrl":{"type":"string"},"scheme":{"type":"string"},"network":{"type":"string"},"asset":{"type":"string"},"payTo":{"type":"string"},"amount":{"type":"string"},"validUntil":{"type":"integer"}},"required":["version","resourceUrl","scheme","network","asset","payTo","amount"]},"signature":{"type":"string"}},"required":["format","signature"]}}},"required":["offers"]}},"builder-code":{"info":{"a":"bc_hc2dhq09"},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"a":{"type":"string","pattern":"^[a-z0-9_]{1,32}$","description":"App builder code"},"w":{"type":"string","pattern":"^[a-z0-9_]{1,32}$","description":"Wallet builder code"},"s":{"type":"array","items":{"type":"string","pattern":"^[a-z0-9_]{1,32}$"},"description":"Service builder codes"}},"additionalProperties":false}},"sign-in-with-x":{"info":{"domain":"x402.ottoai.services","uri":"https://x402.ottoai.services/yield-markets","version":"1","nonce":"ac5549b41dbcb0006f37f095e2ab0015","issuedAt":"2026-08-12T21:30:02.053Z","resources":["https://x402.ottoai.services/yield-markets"],"statement":"Sign in to access Otto AI yield data"},"supportedChains":[{"chainId":"eip155:8453","type":"eip191"},{"chainId":"eip155:137","type":"eip191"}],"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"domain":{"type":"string"},"address":{"type":"string"},"statement":{"type":"string"},"uri":{"type":"string","format":"uri"},"version":{"type":"string"},"chainId":{"type":"string"},"type":{"type":"string"},"nonce":{"type":"string"},"issuedAt":{"type":"string","format":"date-time"},"expirationTime":{"type":"string","format":"date-time"},"notBefore":{"type":"string","format":"date-time"},"requestId":{"type":"string"},"resources":{"type":"array","items":{"type":"string","format":"uri"}},"signature":{"type":"string"}},"required":["domain","address","uri","version","chainId","type","nonce","issuedAt","signature"]}},"bazaar":{"info":{"input":{"type":"http","queryParams":{},"method":"GET"},"output":{"type":"json","example":{"status":"success","markets":[{"protocol":"Aave V3","asset":"USDC","apy":4.5}]}}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"input":{"type":"object","properties":{"type":{"type":"string","const":"http"},"method":{"type":"string","enum":["GET"]},"queryParams":{"type":"object","properties":{}}},"required":["type","method"],"additionalProperties":false},"output":{"type":"object","properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"status":{"type":"string"},"markets":{"type":"array"}}}},"required":["type"]}},"required":["input"]}}}}",
  "server": "railway-hikari",
  "transfer-encoding": "chunked",
  "vary": "accept-encoding",
  "x-hikari-trace": "iad1.fp5t,ams1.9qww",
  "x-powered-by": "Express",
  "x-railway-edge": "iad1",
  "x-railway-request-id": "U1Qj8AxoR5SNefZ1EuroCg, IkXwZY4PTCi67P8P63j4Ww"
}

Response body 

{
  "contact": {
    "email": "admin@useotto.xyz",
    "feedback": "POST https://x402.ottoai.services/feedback ($0.001) — money-back guarantee on Otto-recommended services and Full Auto; feature requests welcome (email/Telegram are free).",
    "telegram": "https://t.me/DeFAI_Capital",
    "twitter": "https://twitter.com/useOttoAI"
  },
  "docs": "https://docs.useotto.xyz/getting-started/agent-quickstart",
  "error": "payment_required",
  "hint": "This is a pay-per-call x402 endpoint. The price and payment options (networks, signed offers) are in the PAYMENT-REQUIRED response header (x402 v2). Pay with an x402 client, then retry to receive the data.",
  "price": "$0.001",
  "x402Version": 2
}

Request headers

{
  "accept": "*/*",
  "user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}

Machine contract

Schemas.

InputJSON
{
  "method": "GET",
  "queryParams": {},
  "type": "http"
}
OutputJSON
{
  "example": {
    "markets": [
      {
        "apy": 4.5,
        "asset": "USDC",
        "protocol": "Aave V3"
      }
    ],
    "status": "success"
  },
  "type": "json"
}