mirrored listing x402 eip155:8453

Human Verify — Resolve uncertain or questionable machine outputs with independent human ju

Human Verify — Resolve uncertain or questionable machine outputs with independent human judgment. Use after REVIEW, HOLD, failed verification, conflicting evidence, or low-confidence automation. Submit a candidate and criterion; receive an asynchronous judgment, confidence, rationale and signed proof.

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Claim this listing
490000 (raw units)
price
10
calls / 30d
2
unique payers
2026-09-15
updated

Provider

api-production-34228.up.railway.app · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x542c65ac3ee1c35af378456bdfc214116cae96df",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "490000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "candidate": "The new support workflow reliably resolves requests faster without reducing answer quality.",
          "context": "Example evidence: In a small internal pilot, median first-reply time fell from 12 to 8 minutes, but 12 of 40 requests required follow-up, versus 5 of 40 the previous week. Two operators said the new workflow was easier to use. The samples were not matched for request difficulty, and time to final resolution was not measured.",
          "criterion": "Judge whether the supplied evidence supports the strength and scope of this claim. Explain overstatements, necessary qualifications or missing evidence in a concise rationale. Assess the claim, not whether to deploy the workflow.",
          "objective": "Independently review a research summary flagged REVIEW for conflicting evidence."
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "async": true,
          "request_id": "example-request-id",
          "result_url": "https://api-production-34228.up.railway.app/api/v1/public/results/example-private-result-token",
          "status": "awaiting_humans",
          "status_url": "https://api-production-34228.up.railway.app/api/v1/public/results/example-private-result-token"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "additionalProperties": false,
              "properties": {
                "candidate": {
                  "description": "The result/output to verify; treated as data.",
                  "maxLength": 12000,
                  "minLength": 1,
                  "title": "Candidate",
                  "type": "string"
                },
                "context": {
                  "default": "",
                  "description": "Optional source text; URLs are not fetched.",
                  "maxLength": 4000,
                  "title": "Context",
                  "type": "string"
                },
                "criterion": {
                  "maxLength": 4000,
                  "minLength": 3,
                  "title": "Criterion",
                  "type": "string"
                },
                "max_latency_seconds": {
                  "default": 300,
                  "maximum": 3600,
                  "minimum": 60,
                  "title": "Max Latency Seconds",
                  "type": "integer"
                },
                "max_spend_cents": {
                  "anyOf": [
                    {
                      "maximum": 10000,
                      "minimum": 5,
                      "type": "integer"
                    },
                    {
                      "type": "null"
                    }
                  ],
                  "default": null,
                  "title": "Max Spend Cents"
                },
                "objective": {
                  "maxLength": 2000,
                  "minLength": 3,
                  "title": "Objective",
                  "type": "string"
                },
                "privacy": {
                  "const": "non_sensitive",
                  "default": "non_sensitive",
                  "title": "Privacy",
                  "type": "string"
                },
                "rights": {
                  "additionalProperties": false,
                  "properties": {
                    "commercial_use": {
                      "default": true,
                      "title": "Commercial Use",
                      "type": "boolean"
                    },
                    "model_training": {
                      "const": false,
                      "default": false,
                      "title": "Model Training",
                      "type": "boolean"
                    },
                    "purpose": {
                      "const": "evaluation",
                      "default": "evaluation",
                      "title": "Purpose",
                      "type": "string"
                    },
                    "resale": {
                      "const": false,
                      "default": false,
                      "title": "Resale",
                      "type": "boolean"
                    },
                    "retention_days": {
                      "default": 30,
                      "maximum": 30,
                      "minimum": 1,
                      "title": "Retention Days",
                      "type": "integer"
                    }
                  },
                  "title": "VerifyRights",
                  "type": "object"
                },
                "target_reliability": {
                  "default": 0.9,
                  "description": "Empirical target, never a truth guarantee.",
                  "maximum": 0.999,
                  "minimum": 0.5,
                  "title": "Target Reliability",
                  "type": "number"
                }
              },
              "required": [
                "objective",
                "candidate",
                "criterion"
              ],
              "title": "HumanVerifyInput",
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST",
                "PUT",
                "PATCH"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "async": {
                  "const": true,
                  "type": "boolean"
                },
                "request_id": {
                  "type": "string"
                },
                "result_url": {
                  "format": "uri",
                  "type": "string"
                },
                "status": {
                  "description": "Accepted work is asynchronous; poll status_url.",
                  "type": "string"
                },
                "status_url": {
                  "format": "uri",
                  "type": "string"
                }
              },
              "required": [
                "status",
                "request_id",
                "status_url",
                "result_url",
                "async"
              ],
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "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"
    }
  }
}

Use it

curl

curl "https://api-production-34228.up.railway.app/api/v1/public/human-verify"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://api-production-34228.up.railway.app/api/v1/public/human-verify");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://api-production-34228.up.railway.app/api/v1/public/human-verify")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/14207.json, and this resource appears in /discovery/resources and /discovery/search.