orcpin.dev

Live 402 challenge

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

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x8B1CF12e7efe6AEA59cD1124eBbe7709E3Ac6085",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://orcpin.dev/v1/endpoint-reliability/batch",
    "tags": [
      "Orcpin Reliability",
      "infra",
      "monitoring",
      "uptime",
      "x402"
    ],
    "iconUrl": "https://orcpin.com/orcpin-logo.png",
    "mimeType": "application/json",
    "description": "Batch x402 endpoint reliability: factual delivery measurements (uptime, valid-402 rate, latency, last status) for an agent's whole tool list of x402 endpoints in one paid call. Endpoints with no stored history are probed live, so every billed URL returns real facts. Sweep every endpoint you depend on before relying on them. Billed per endpoint, with volume discounts at 10+/50+/100+ URLs. Facts only — not an endorsement or rating.",
    "serviceName": "Orcpin"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "urls": "https://example.com/v1/some-resource,https://example.org/v1/other-resource"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "spec": "endpoint-reliability",
            "as_of": "rolling_probes",
            "count": 2,
            "window": "rolling_60d",
            "results": [
              {
                "url": "https://example.com/v1/some-resource",
                "facts": {
                  "latency_ms": {
                    "p50": 250,
                    "p95": 1000,
                    "p99": 2500,
                    "basis": "histogram"
                  },
                  "last_status": 402,
                  "reachable_rate": 0.99,
                  "valid_402_rate": 0.99,
                  "delivery_verified": {
                    "at": "2026-06-21T00:00:00.000Z",
                    "samples": 8,
                    "verified": true
                  },
                  "http_success_rate": 0.97,
                  "consecutive_failures": 0
                },
                "flags": [],
                "status": "measured",
                "first_seen": "2026-05-20T00:00:00.000Z",
                "sample_size": 142,
                "last_verified": "2026-06-22T00:00:00.000Z"
              },
              {
                "url": "https://example.org/v1/other-resource",
                "facts": {
                  "latency_ms": {
                    "p50": 250,
                    "p95": 250,
                    "p99": 250,
                    "basis": "histogram"
                  },
                  "last_status": 402,
                  "reachable_rate": 1,
                  "valid_402_rate": 1,
                  "delivery_verified": null,
                  "http_success_rate": 1,
                  "consecutive_failures": 0
                },
                "flags": [
                  "low_sample"
                ],
                "status": "measured",
                "first_seen": "2026-06-22T00:00:00.000Z",
                "sample_size": 1,
                "last_verified": "2026-06-22T00:00:00.000Z"
              }
            ],
            "disclaimer": "Independent service-delivery measurements of a public x402 endpoint. Facts only — not an endorsement, rating, or advice. See /terms.",
            "methodology": "https://orcpin.dev/methodology#endpoint_reliability",
            "schema_version": "0.1.0"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "required": [
                  "urls"
                ],
                "properties": {
                  "urls": {
                    "type": "string",
                    "description": "Comma-separated x402 endpoint URLs. Max per batch is configured server-side."
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "properties": {
                  "count": {
                    "type": "integer"
                  },
                  "results": {
                    "type": "array",
                    "items": {
                      "type": "object"
                    }
                  },
                  "disclaimer": {
                    "type": "string"
                  },
                  "schema_version": {
                    "type": "string"
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "how_to_pay": {
    "docs": {
      "terms": "/terms",
      "catalog": "/catalog",
      "discovery": "/.well-known/x402",
      "methodology": "/methodology"
    },
    "client": "Recommended: the `@x402/fetch` npm package (v2+), which handles this envelope for you. Note: the unscoped `x402-fetch`/`x402` packages (1.2.0, last published 2026-04-16) predate CAIP-2 network ids and will reject this challenge with a schema error before signing.",
    "header": "PAYMENT-SIGNATURE",
    "signing": {
      "domain": {
        "name": "USD Coin",
        "chainId": 8453,
        "version": "2",
        "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
      },
      "standard": "EIP-3009 TransferWithAuthorization, signed as EIP-712 typed data"
    },
    "summary": "Sign one of the `accepts` entries as an EIP-3009 TransferWithAuthorization, base64-encode the envelope below, and retry this exact request with it in the `PAYMENT-SIGNATURE` request header (the x402 v1 name `X-PAYMENT` is honoured too).",
    "encoding": "base64(JSON) of the payload_template below",
    "amount_note": "`amount` is in atomic units; this asset has 6 decimals.",
    "amount_human": "$0.01 USDC",
    "payload_template": {
      "scheme": "exact",
      "network": "eip155:8453",
      "payload": {
        "signature": "0x… (EIP-712 signature over the authorization below)",
        "authorization": {
          "to": "0x8B1CF12e7efe6AEA59cD1124eBbe7709E3Ac6085",
          "from": "0x… (your wallet address)",
          "nonce": "0x… (32 random bytes, never reused)",
          "value": "10000",
          "validAfter": "unix seconds, e.g. now - 60",
          "validBefore": "unix seconds, at most now + 300"
        }
      },
      "x402Version": 2
    },
    "header_also_honored": "X-PAYMENT"
  },
  "x402Version": 2
}

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": "0x8B1CF12e7efe6AEA59cD1124eBbe7709E3Ac6085",
    "amount": "10000",
    "scheme": "exact",
    "network": "eip155:8453",
    "resource": "https://orcpin.dev/v1/endpoint-reliability/batch",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

2026-09-24 20:58Z

Last indexed by Roundhouse

2026-09-25 05:15Z

Last enriched (probe, favicon, geo)

2026-09-16 17:15Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402