{
  "x402Version": 2,
  "id": 8041,
  "slug": "8041",
  "resource": "https://secondlook.edgecasesystems.workers.dev/v1/paid/second-look",
  "description": "SecondLook provides an independent pre-action review of a proposed AI or agent action. It checks supplied facts, authority, constraints, reasoning, risks, and missing information before execution. Use it when an action is costly, external, irreversible, or constraint-sensitive. SecondLook does not authorize, execute, or supply missing authority, and results are not guarantees of correctness.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xc077a55e71a43ad002fbac7bf91d48e9866e5727",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "50000",
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "authority": {
              "basis": "Support policy permits refunds up to $50.",
              "status": "confirmed"
            },
            "goal": "Review a proposed customer refund before execution.",
            "hard_constraints": [
              "Do not exceed the documented $50 refund limit."
            ],
            "known_facts": [
              "The customer was charged twice."
            ],
            "proposed_action": "Issue a $25 refund to the customer."
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "created_at": "2026-08-29T00:00:00.000Z",
            "decision_id": "00000000-0000-4000-8000-000000000000",
            "key_risks": [],
            "missing_information": [],
            "model": "implementation-managed",
            "policy_version": "2026-08-27.5",
            "reason": "The supplied authority, facts, and constraint support the proposed refund.",
            "recommendation": "proceed",
            "review_status": "no_material_concern_found"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "allOf": [
                  {
                    "not": {
                      "properties": {
                        "hard_constraints": {
                          "minItems": 1
                        }
                      },
                      "required": [
                        "constraint_context",
                        "hard_constraints"
                      ]
                    }
                  },
                  {
                    "not": {
                      "properties": {
                        "important_constraints": {
                          "minItems": 1
                        }
                      },
                      "required": [
                        "constraint_context",
                        "important_constraints"
                      ]
                    }
                  }
                ],
                "description": "Structural JSON Schema plus the expressible cross-field rules. The x-secondlook-semantic-validation extension lists additional deterministic runtime invariants required for acceptance.",
                "properties": {
                  "alternatives_considered": {
                    "items": {
                      "maxLength": 4000,
                      "minLength": 1,
                      "pattern": "\\S",
                      "type": "string"
                    },
                    "maxItems": 25,
                    "type": "array"
                  },
                  "authority": {
                    "additionalProperties": false,
                    "properties": {
                      "basis": {
                        "maxLength": 4000,
                        "minLength": 1,
                        "pattern": "\\S",
                        "type": "string"
                      },
                      "limits": {
                        "items": {
                          "maxLength": 4000,
                          "minLength": 1,
                          "pattern": "\\S",
                          "type": "string"
                        },
                        "maxItems": 25,
                        "type": "array"
                      },
                      "status": {
                        "enum": [
                          "confirmed",
                          "unclear",
                          "unknown"
                        ],
                        "type": "string"
                      }
                    },
                    "required": [
                      "status"
                    ],
                    "type": "object"
                  },
                  "constraint_context": {
                    "additionalProperties": false,
                    "properties": {
                      "conflict_groups": {
                        "items": {
                          "additionalProperties": false,
                          "properties": {
                            "constraint_ids": {
                              "items": {
                                "pattern": "^[a-z][a-z0-9_-]{0,63}$",
                                "type": "string"
                              },
                              "maxItems": 10,
                              "minItems": 2,
                              "type": "array",
                              "uniqueItems": true
                            },
                            "control": {
                              "oneOf": [
                                {
                                  "additionalProperties": false,
                                  "properties": {
                                    "controlling_constraint_id": {
                                      "pattern": "^[a-z][a-z0-9_-]{0,63}$",
                                      "type": "string"
                                    },
                                    "status": {
                                      "const": "established"
                                    }
                                  },
                                  "required": [
                                    "status",
                                    "controlling_constraint_id"
                                  ],
                                  "type": "object"
                                },
                                {
                                  "additionalProperties": false,
                                  "properties": {
                                    "status": {
                                      "const": "unresolved"
                                    }
                                  },
                                  "required": [
                                    "status"
                                  ],
                                  "type": "object"
                                }
                              ]
                            },
                            "id": {
                              "pattern": "^[a-z][a-z0-9_-]{0,63}$",
                              "type": "string"
                            },
                            "independently_binding_constraint_ids": {
                              "items": {
                                "pattern": "^[a-z][a-z0-9_-]{0,63}$",
                                "type": "string"
                              },
                              "maxItems": 10,
                              "type": "array",
                              "uniqueItems": true
                            }
                          },
                          "required": [
                            "id",
                            "constraint_ids",
                            "control"
                          ],
                          "type": "object"
                        },
                        "maxItems": 12,
                        "type": "array",
                        "uniqueItems": true
                      },
                      "constraints": {
                        "items": {
                          "additionalProperties": false,
                          "allOf": [
                            {
                              "if": {
                                "properties": {
                                  "applicability": {
                                    "const": "inapplicable"
                                  }
                                },
                                "required": [
                                  "applicability"
                                ]
                              },
                              "then": {
                                "properties": {
                                  "action_relation": {
                                    "const": "not_applicable"
                                  }
                                }
                              }
                            },
                            {
                              "if": {
                                "properties": {
                                  "applicability": {
                                    "enum": [
                                      "applicable",
                                      "unresolved"
                                    ]
                                  }
                                },
                                "required": [
                                  "applicability"
                                ]
                              },
                              "then": {
                                "properties": {
                                  "action_relation": {
                                    "enum": [
                                      "satisfies",
                                      "violates",
                                      "unresolved"
                                    ]
                                  }
                                }
                              }
                            }
                          ],
                          "properties": {
                            "action_relation": {
                              "enum": [
                                "satisfies",
                                "violates",
                                "unresolved",
                                "not_applicable"
                              ]
                            },
                            "applicability": {
                              "enum": [
                                "applicable",
                                "inapplicable",
                                "unresolved"
                              ]
                            },
                            "id": {
                              "pattern": "^[a-z][a-z0-9_-]{0,63}$",
                              "type": "string"
                            },
                            "text": {
                              "maxLength": 1000,
                              "minLength": 1,
                              "pattern": "\\S",
                              "type": "string"
                            }
                          },
                          "required": [
                            "id",
                            "text",
                            "applicability",
                            "action_relation"
                          ],
                          "type": "object"
                        },
                        "maxItems": 25,
                        "minItems": 1,
                        "type": "array",
                        "uniqueItems": true
                      },
                      "schema_version": {
                        "const": "constraint-context-v1"
                      }
                    },
                    "required": [
                      "schema_version",
                      "constraints"
                    ],
                    "type": "object"
                  },
                  "estimated_cost_of_action": {
                    "additionalProperties": false,
                    "properties": {
                      "amount": {
                        "maximum": 1000000000000000,
                        "minimum": 0,
                        "type": "number"
                      },
                      "currency": {
                        "pattern": "^[A-Z]{3}$",
                        "type": "string"
                      }
                    },
                    "required": [
                      "amount",
                      "currency"
                    ],
                    "type": "object"
                  },
                  "goal": {
                    "maxLength": 4000,
                    "minLength": 1,
                    "pattern": "\\S",
                    "type": "string"
                  },
                  "hard_constraints": {
                    "items": {
                      "maxLength": 4000,
                      "minLength": 1,
                      "pattern": "\\S",
                      "type": "string"
                    },
                    "maxItems": 25,
                    "type": "array"
                  },
                  "important_constraints": {
                    "items": {
                      "maxLength": 4000,
                      "minLength": 1,
                      "pattern": "\\S",
                      "type": "string"
                    },
                    "maxItems": 25,
                    "type": "array"
                  },
                  "known_facts": {
                    "items": {
                      "maxLength": 4000,
                      "minLength": 1,
                      "pattern": "\\S",
                      "type": "string"
                    },
                    "maxItems": 25,
                    "type": "array"
                  },
                  "proposed_action": {
                    "maxLength": 4000,
                    "minLength": 1,
                    "pattern": "\\S",
                    "type": "string"
                  },
                  "reasoning_summary": {
                    "maxLength": 4000,
                    "minLength": 1,
                    "pattern": "\\S",
                    "type": "string"
                  },
                  "soft_preferences": {
                    "items": {
                      "maxLength": 4000,
                      "minLength": 1,
                      "pattern": "\\S",
                      "type": "string"
                    },
                    "maxItems": 25,
                    "type": "array"
                  },
                  "uncertainties": {
                    "items": {
                      "maxLength": 4000,
                      "minLength": 1,
                      "pattern": "\\S",
                      "type": "string"
                    },
                    "maxItems": 25,
                    "type": "array"
                  },
                  "unknown_facts": {
                    "items": {
                      "maxLength": 4000,
                      "minLength": 1,
                      "pattern": "\\S",
                      "type": "string"
                    },
                    "maxItems": 25,
                    "type": "array"
                  }
                },
                "required": [
                  "goal",
                  "proposed_action"
                ],
                "type": "object",
                "x-secondlook-semantic-validation": {
                  "additional_runtime_validation_required": true,
                  "failure": {
                    "error_codes": [
                      "invalid_secondlook_request",
                      "invalid_constraint_context"
                    ],
                    "http_status": 400
                  },
                  "invariants": [
                    {
                      "id": "aggregate_request_text",
                      "rule": "Aggregate request text across all request fields must be at most 24,000 JavaScript string code units."
                    },
                    {
                      "id": "aggregate_constraint_text",
                      "rule": "Aggregate constraint_context constraint text must be at most 12,000 JavaScript string code units."
                    },
                    {
                      "id": "unique_constraint_ids",
                      "rule": "Each constraint id must be unique across constraint_context.constraints, even when the surrounding objects differ."
                    },
                    {
                      "id": "unique_conflict_group_ids",
                      "rule": "Each conflict-group id must be unique across constraint_context.conflict_groups, even when the surrounding objects differ."
                    },
                    {
                      "id": "conflict_group_references",
                      "rule": "Every conflict-group constraint id must reference an existing constraint whose applicability is not inapplicable."
                    },
                    {
                      "id": "single_conflict_group_membership",
                      "rule": "A constraint may appear in at most one conflict group."
                    },
                    {
                      "id": "established_controller",
                      "rule": "An established controlling_constraint_id must identify an applicable member of that conflict group."
                    },
                    {
                      "id": "independently_binding_members",
                      "rule": "independently_binding_constraint_ids must be unique members of the same group and must not include its established controller."
                    }
                  ],
                  "runtime_is_authoritative": true
                }
              },
              "bodyType": {
                "const": "json"
              },
              "method": {
                "const": "POST"
              },
              "type": {
                "const": "http"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "additionalProperties": false,
            "properties": {
              "example": {
                "additionalProperties": false,
                "properties": {
                  "created_at": {
                    "format": "date-time",
                    "type": "string"
                  },
                  "decision_id": {
                    "format": "uuid",
                    "type": "string"
                  },
                  "key_risks": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "missing_information": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "model": {
                    "description": "Deprecated compatibility field; the underlying inference implementation is not a stable product contract.",
                    "type": "string"
                  },
                  "policy_version": {
                    "type": "string"
                  },
                  "reason": {
                    "type": "string"
                  },
                  "recommendation": {
                    "enum": [
                      "proceed",
                      "reconsider",
                      "need_more_information",
                      "escalate_to_human"
                    ],
                    "type": "string"
                  },
                  "review_status": {
                    "enum": [
                      "no_material_concern_found",
                      "material_concern_found",
                      "insufficient_information",
                      "human_review_required"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "decision_id",
                  "created_at",
                  "policy_version",
                  "model",
                  "review_status",
                  "recommendation",
                  "reason",
                  "key_risks",
                  "missing_information"
                ],
                "type": "object"
              },
              "type": {
                "const": "json"
              }
            },
            "required": [
              "type",
              "example"
            ],
            "type": "object"
          }
        },
        "required": [
          "input",
          "output"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "secondlook.edgecasesystems.workers.dev",
  "lastUpdated": "2026-09-13T18:48:32.226Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-09-13T18:48:31.727Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "secondlook.edgecasesystems.workers.dev",
    "manifest_name": "secondlook.edgecasesystems.workers.dev",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}