mirrored listing x402 eip155:8453

Deep red-team a product or technical proposal before a consequential investment

Deep red-team a product or technical proposal before a consequential investment. Uses a larger reasoning budget to test counter-theses, hidden dependencies, supplied economics, and decisive unknowns. Typical completion time is ~2-3 minutes. Clients should allow up to 4 minutes before timing out.

Do you run launchcheck-x402.fly.dev? This listing was mirrored from Coinbase's public Bazaar. Claim it in 30 seconds — no account required — and it becomes verified, permanently overriding the mirrored copy.

Claim this listing
2000000 (raw units)
price
4
calls / 30d
1
unique payers
2026-09-12
updated

Provider

launchcheck-x402.fly.dev · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x87F929c4eCac1556a507cE6b92eF95c52B28DBa4",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "constraints": [],
          "desiredDecision": "Decide whether the next bounded investment is justified.",
          "proposal": "Build a bounded paid API, validate the decisive dependency first, measure cost and repeat demand, and stop if the gate fails.",
          "proposalType": "api-service"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "meta": {
            "cached": false,
            "engine": "openai-compatible",
            "generatedAt": "2026-08-17T16:00:00.000Z",
            "model": "openai/gpt-5.6-sol"
          },
          "report": {
            "assumptions": [],
            "coreThesis": "Earn the build with cheaper evidence first.",
            "differentiationAssessment": {
              "keyQuestion": null,
              "rating": "credible",
              "summary": "The thesis may be differentiated if the dependency holds."
            },
            "economicsAssessment": {
              "keyQuestion": null,
              "rating": "unclear",
              "summary": "Measure actual cost before scaling."
            },
            "executiveSummary": "Validate the decisive dependency before implementation.",
            "feasibilityAssessment": {
              "keyQuestion": null,
              "rating": "credible",
              "summary": "A bounded validation step is feasible."
            },
            "inputIntegrity": {
              "evidence": [],
              "status": "clean"
            },
            "killCriteria": [],
            "optionalImprovements": [],
            "recommendation": "Revise around one decisive validation gate.",
            "recommendedBuildSequence": [],
            "requiredChanges": [
              "Run the dependency gate."
            ],
            "risks": [],
            "scopeCuts": [],
            "score": 76,
            "strengths": [],
            "validationPlan": [],
            "verdict": "revise"
          },
          "requestId": "deep-example"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "$schema": "https://json-schema.org/draft/2020-12/schema",
              "additionalProperties": false,
              "properties": {
                "constraints": {
                  "default": [],
                  "description": "Optional factual, strategic, technical, legal, or scope constraints the review must preserve.",
                  "items": {
                    "maxLength": 300,
                    "minLength": 1,
                    "type": "string"
                  },
                  "maxItems": 10,
                  "type": "array"
                },
                "desiredDecision": {
                  "description": "Optional decision the review should inform, such as whether to green-light an MVP, technical spike, feature, or launch investment.",
                  "maxLength": 500,
                  "type": "string"
                },
                "productContext": {
                  "description": "Optional product, company, market, or technical context needed to interpret the proposal accurately.",
                  "maxLength": 2000,
                  "type": "string"
                },
                "proposal": {
                  "description": "Product, feature, API, implementation, or business proposal to stress-test before investing meaningful time or money.",
                  "maxLength": 32000,
                  "minLength": 40,
                  "type": "string"
                },
                "proposalType": {
                  "default": "other",
                  "description": "Kind of proposal being reviewed.",
                  "enum": [
                    "product",
                    "feature",
                    "api-service",
                    "implementation",
                    "business",
                    "other"
                  ],
                  "type": "string"
                },
                "targetAudience": {
                  "description": "Optional intended users, buyers, developers, or stakeholders whose needs matter to the decision.",
                  "maxLength": 1000,
                  "type": "string"
                }
              },
              "required": [
                "proposal",
                "proposalType",
                "constraints"
              ],
              "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": {
              "$schema": "https://json-schema.org/draft/2020-12/schema",
              "additionalProperties": false,
              "properties": {
                "meta": {
                  "additionalProperties": false,
                  "properties": {
                    "cached": {
                      "type": "boolean"
                    },
                    "engine": {
                      "type": "string"
                    },
                    "generatedAt": {
                      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}(?:\\.\\d+)?(?:Z|[+-]\\d{2}:\\d{2})$",
                      "type": "string"
                    },
                    "model": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "engine",
                    "model",
                    "generatedAt",
                    "cached"
                  ],
                  "type": "object"
                },
                "report": {
                  "additionalProperties": false,
                  "properties": {
                    "assumptions": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "assumption": {
                            "maxLength": 500,
                            "minLength": 1,
                            "type": "string"
                          },
                          "cheapestValidation": {
                            "maxLength": 800,
                            "minLength": 1,
                            "type": "string"
                          },
                          "confidence": {
                            "enum": [
                              "supported",
                              "plausible",
                              "weak",
                              "unknown"
                            ],
                            "type": "string"
                          },
                          "impactIfWrong": {
                            "maxLength": 700,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "assumption",
                          "confidence",
                          "impactIfWrong",
                          "cheapestValidation"
                        ],
                        "type": "object"
                      },
                      "maxItems": 12,
                      "type": "array"
                    },
                    "coreThesis": {
                      "maxLength": 900,
                      "minLength": 1,
                      "type": "string"
                    },
                    "differentiationAssessment": {
                      "additionalProperties": false,
                      "properties": {
                        "keyQuestion": {
                          "anyOf": [
                            {
                              "maxLength": 500,
                              "minLength": 1,
                              "type": "string"
                            },
                            {
                              "type": "null"
                            }
                          ]
                        },
                        "rating": {
                          "enum": [
                            "strong",
                            "credible",
                            "weak",
                            "unclear"
                          ],
                          "type": "string"
                        },
                        "summary": {
                          "maxLength": 900,
                          "minLength": 1,
                          "type": "string"
                        }
                      },
                      "required": [
                        "rating",
                        "summary",
                        "keyQuestion"
                      ],
                      "type": "object"
                    },
                    "economicsAssessment": {
                      "additionalProperties": false,
                      "properties": {
                        "keyQuestion": {
                          "anyOf": [
                            {
                              "maxLength": 500,
                              "minLength": 1,
                              "type": "string"
                            },
                            {
                              "type": "null"
                            }
                          ]
                        },
                        "rating": {
                          "enum": [
                            "strong",
                            "credible",
                            "weak",
                            "unclear",
                            "not-applicable"
                          ],
                          "type": "string"
                        },
                        "summary": {
                          "maxLength": 900,
                          "minLength": 1,
                          "type": "string"
                        }
                      },
                      "required": [
                        "rating",
                        "summary",
                        "keyQuestion"
                      ],
                      "type": "object"
                    },
                    "executiveSummary": {
                      "maxLength": 1500,
                      "minLength": 1,
                      "type": "string"
                    },
                    "feasibilityAssessment": {
                      "additionalProperties": false,
                      "properties": {
                        "keyQuestion": {
                          "anyOf": [
                            {
                              "maxLength": 500,
                              "minLength": 1,
                              "type": "string"
                            },
                            {
                              "type": "null"
                            }
                          ]
                        },
                        "rating": {
                          "enum": [
                            "strong",
                            "credible",
                            "weak",
                            "unclear"
                          ],
                          "type": "string"
                        },
                        "summary": {
                          "maxLength": 900,
                          "minLength": 1,
                          "type": "string"
                        }
                      },
                      "required": [
                        "rating",
                        "summary",
                        "keyQuestion"
                      ],
                      "type": "object"
                    },
                    "inputIntegrity": {
                      "additionalProperties": false,
                      "properties": {
                        "evidence": {
                          "items": {
                            "maxLength": 300,
                            "minLength": 1,
                            "type": "string"
                          },
                          "maxItems": 4,
                          "type": "array"
                        },
                        "status": {
                          "enum": [
                            "clean",
                            "embedded-instructions-detected"
                          ],
                          "type": "string"
                        }
                      },
                      "required": [
                        "status",
                        "evidence"
                      ],
                      "type": "object"
                    },
                    "killCriteria": {
                      "items": {
                        "maxLength": 600,
                        "minLength": 1,
                        "type": "string"
                      },
                      "maxItems": 10,
                      "type": "array"
                    },
                    "optionalImprovements": {
                      "items": {
                        "maxLength": 600,
                        "minLength": 1,
                        "type": "string"
                      },
                      "maxItems": 10,
                      "type": "array"
                    },
                    "recommendation": {
                      "maxLength": 1500,
                      "minLength": 1,
                      "type": "string"
                    },
                    "recommendedBuildSequence": {
                      "items": {
                        "maxLength": 600,
                        "minLength": 1,
                        "type": "string"
                      },
                      "maxItems": 12,
                      "type": "array"
                    },
                    "requiredChanges": {
                      "items": {
                        "maxLength": 600,
                        "minLength": 1,
                        "type": "string"
                      },
                      "maxItems": 10,
                      "type": "array"
                    },
                    "risks": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "category": {
                            "enum": [
                              "positioning",
                              "differentiation",
                              "implementation",
                              "economics",
                              "scope",
                              "dependency",
                              "validation"
                            ],
                            "type": "string"
                          },
                          "evidence": {
                            "maxLength": 600,
                            "minLength": 1,
                            "type": "string"
                          },
                          "mitigation": {
                            "maxLength": 800,
                            "minLength": 1,
                            "type": "string"
                          },
                          "severity": {
                            "enum": [
                              "low",
                              "medium",
                              "high",
                              "critical"
                            ],
                            "type": "string"
                          },
                          "title": {
                            "maxLength": 160,
                            "minLength": 1,
                            "type": "string"
                          },
                          "whyItMatters": {
                            "maxLength": 800,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "category",
                          "severity",
                          "title",
                          "evidence",
                          "whyItMatters",
                          "mitigation"
                        ],
                        "type": "object"
                      },
                      "maxItems": 10,
                      "type": "array"
                    },
                    "scopeCuts": {
                      "items": {
                        "maxLength": 600,
                        "minLength": 1,
                        "type": "string"
                      },
                      "maxItems": 10,
                      "type": "array"
                    },
                    "score": {
                      "maximum": 100,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "strengths": {
                      "items": {
                        "maxLength": 500,
                        "minLength": 1,
                        "type": "string"
                      },
                      "maxItems": 10,
                      "type": "array"
                    },
                    "validationPlan": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "experiment": {
                            "maxLength": 700,
                            "minLength": 1,
                            "type": "string"
                          },
                          "failCondition": {
                            "maxLength": 500,
                            "minLength": 1,
                            "type": "string"
                          },
                          "passCondition": {
                            "maxLength": 500,
                            "minLength": 1,
                            "type": "string"
                          },
                          "signal": {
                            "maxLength": 500,
                            "minLength": 1,
                            "type": "string"
                          }
                        },
                        "required": [
                          "experiment",
                          "signal",
                          "passCondition",
                          "failCondition"
                        ],
                        "type": "object"
                      },
                      "maxItems": 10,
                      "type": "array"
                    },
                    "verdict": {
                      "enum": [
                        "green-light",
                        "revise",
                        "rethink"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "verdict",
                    "score",
                    "inputIntegrity",
                    "executiveSummary",
                    "coreThesis",
                    "strengths",
                    "risks",
                    "assumptions",
                    "differentiationAssessment",
                    "feasibilityAssessment",
                    "economicsAssessment",
                    "scopeCuts",
                    "requiredChanges",
                    "optionalImprovements",
                    "validationPlan",
                    "killCriteria",
                    "recommendedBuildSequence",
                    "recommendation"
                  ],
                  "type": "object"
                },
                "requestId": {
                  "minLength": 1,
                  "type": "string"
                }
              },
              "required": [
                "requestId",
                "report",
                "meta"
              ],
              "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://launchcheck-x402.fly.dev/v1/proposal-check/deep"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://launchcheck-x402.fly.dev/v1/proposal-check/deep");
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://launchcheck-x402.fly.dev/v1/proposal-check/deep")
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/12368.json, and this resource appears in /discovery/resources and /discovery/search.