URL Unwrap / Redirect Tracer

Trace an HTTP redirect chain to its final destination without downloading page bodies. Returns every hop (URL + status), the final URL, and safety warnings — link-safety grounding for agents before they visit or cite a URL. Clean JSON.

Resource: unwrap.use.x402atlas.com

Network: eip155:8453, eip155:137, eip155:42161, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x492eC81ECf395FbEa2F19fECe203ee14D0544B71

Payment methods: — · Last validation: 2026-09-14 09:49:50.356+00

{
  "input": {
    "type": "object",
    "required": [
      "type",
      "method"
    ],
    "properties": {
      "type": {
        "type": "string",
        "const": "http"
      },
      "method": {
        "enum": [
          "GET"
        ],
        "type": "string"
      },
      "queryParams": {
        "type": "object",
        "required": [
          "url"
        ],
        "properties": {
          "url": {
            "type": "string",
            "format": "uri",
            "description": "Absolute URL to trace. Scheme must be http or https; host must be a hostname (not an IP literal), not \"localhost\", and not under a reserved suffix (.local, .internal, .localdomain, .lan, .test); an explicit port must be the scheme default or on the server's allowlist."
          }
        }
      }
    },
    "additionalProperties": false
  },
  "output": {
    "type": "object",
    "required": [
      "type"
    ],
    "properties": {
      "type": {
        "type": "string"
      },
      "example": {
        "type": "object",
        "required": [
          "url",
          "final_url",
          "status_code",
          "redirect_count",
          "redirected",
          "hops",
          "warnings",
          "queried_at"
        ],
        "properties": {
          "url": {
            "type": "string",
            "description": "The input URL as parsed"
          },
          "hops": {
            "type": "array",
            "items": {
              "type": "object",
              "required": [
                "url",
                "status_code"
              ],
              "properties": {
                "url": {
                  "type": "string"
                },
                "location": {
                  "type": "string",
                  "description": "Location header value, if any"
                },
                "status_code": {
                  "type": "integer"
                }
              }
            },
            "description": "Every HEAD request made, in order"
          },
          "warnings": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "description": "Advisory notes: hop-cap truncation, redirect loops, missing Location, https→http downgrade, or a blocked redirect target"
          },
          "final_url": {
            "type": "string",
            "description": "The last URL reached in the redirect chain"
          },
          "queried_at": {
            "type": "string",
            "format": "date-time",
            "description": "UTC timestamp the trace was performed"
          },
          "redirected": {
            "type": "boolean",
            "description": "Whether any redirect was followed"
          },
          "status_code": {
            "type": "integer",
            "description": "HTTP status code of the final hop"
          },
          "redirect_count": {
            "type": "integer",
            "description": "Number of 3xx hops followed"
          }
        }
      }
    }
  },
  "paymentRequirements": [
    {
      "raw": {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "tier": "standard",
          "version": "2",
          "merchant": "x402Atlas"
        },
        "payTo": "0x492eC81ECf395FbEa2F19fECe203ee14D0544B71",
        "amount": "9000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x492eC81ECf395FbEa2F19fECe203ee14D0544B71",
      "scheme": "exact",
      "network": "eip155:8453",
      "amountAtomic": "9000"
    },
    {
      "raw": {
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "tier": "standard",
          "version": "2",
          "merchant": "x402Atlas"
        },
        "payTo": "0x492eC81ECf395FbEa2F19fECe203ee14D0544B71",
        "amount": "9000",
        "scheme": "exact",
        "network": "eip155:137",
        "maxTimeoutSeconds": 300
      },
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "payTo": "0x492eC81ECf395FbEa2F19fECe203ee14D0544B71",
      "scheme": "exact",
      "network": "eip155:137",
      "amountAtomic": "9000"
    },
    {
      "raw": {
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "tier": "standard",
          "version": "2",
          "merchant": "x402Atlas"
        },
        "payTo": "0x492eC81ECf395FbEa2F19fECe203ee14D0544B71",
        "amount": "9000",
        "scheme": "exact",
        "network": "eip155:42161",
        "maxTimeoutSeconds": 300
      },
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "payTo": "0x492eC81ECf395FbEa2F19fECe203ee14D0544B71",
      "scheme": "exact",
      "network": "eip155:42161",
      "amountAtomic": "9000"
    },
    {
      "raw": {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "tier": "standard",
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "merchant": "x402Atlas"
        },
        "payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
        "amount": "9000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      },
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "amountAtomic": "9000"
    }
  ]
}

Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.