{
  "x402Version": 2,
  "id": 30010,
  "slug": "30010",
  "resource": "https://machineobserver.com/api/x402/history",
  "description": "Machine Observer premium historical snapshots across machine commerce, trust, likeness, API/data, compute, model/tool supply, and developer-adoption signals.",
  "type": "http",
  "serviceName": "Machine Observer",
  "resourceType": "AI Inference",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x55E6024b4eB9b9325537c7453F53fDA5413B8417",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "count": {
            "type": "integer"
          },
          "currency": {
            "type": "string"
          },
          "days": {
            "type": "integer"
          },
          "network": {
            "type": "string"
          },
          "paid": {
            "type": "boolean"
          },
          "priceUsd": {
            "type": "number"
          },
          "protocol": {
            "type": "string"
          },
          "schemaVersion": {
            "type": "integer"
          },
          "snapshots": {
            "items": {
              "type": "object"
            },
            "type": "array"
          }
        },
        "required": [
          "schemaVersion",
          "paid",
          "days",
          "count",
          "snapshots"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "days": 30
          },
          "type": "http"
        },
        "output": {
          "example": {
            "count": 2,
            "days": 30,
            "paid": true,
            "schemaVersion": 1,
            "snapshots": [
              {
                "note": "Illustrative snapshot shape; paid output returns stored Machine Observer observations for the requested window.",
                "recordedAt": "2026-09-02T00:00:00.000Z"
              }
            ]
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "days": {
                    "description": "Number of calendar days of stored Machine Observer history to return.",
                    "maximum": 365,
                    "minimum": 1,
                    "type": "integer"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "count": {
                    "type": "integer"
                  },
                  "currency": {
                    "type": "string"
                  },
                  "days": {
                    "type": "integer"
                  },
                  "network": {
                    "type": "string"
                  },
                  "paid": {
                    "type": "boolean"
                  },
                  "priceUsd": {
                    "type": "number"
                  },
                  "protocol": {
                    "type": "string"
                  },
                  "schemaVersion": {
                    "type": "integer"
                  },
                  "snapshots": {
                    "items": {
                      "type": "object"
                    },
                    "type": "array"
                  }
                },
                "required": [
                  "schemaVersion",
                  "paid",
                  "days",
                  "count",
                  "snapshots"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "machineObserverOffer": {
      "amountAtomic": "1000",
      "buyerFlow": {
        "funnelVersion": 3,
        "recommendedSequence": [
          "inspect_live_value_proof",
          "retry_same_request_with_x402_payment"
        ],
        "spendControl": "Buyer or principal retains wallet authorization. No preview, value proof, challenge, or next action authorizes payment."
      },
      "currency": "USDC",
      "freeAlternative": {
        "additionalSnapshotsBeyondFreeTier": 0,
        "freeEndpoint": "https://machineobserver.com/api/v1/history?limit=100",
        "freeEndpointReturnsSnapshots": 6,
        "note": "The free endpoint already returns every stored snapshot in this window. Machine Observer does not recommend paying for data it publishes for free.",
        "paidAddsData": false,
        "paidSnapshotsInRequestedWindow": 6,
        "storedSnapshotsTotal": 6
      },
      "freePreviewUrl": "https://machineobserver.com/api/x402/history?days=30&preview=1",
      "funnelVersion": 3,
      "network": "Base",
      "nextActions": [
        "https://machineobserver.com/api/x402/best-practice",
        "https://machineobserver.com/api/x402/meta-analysis"
      ],
      "paidUrl": "https://machineobserver.com/api/x402/history?days=30",
      "preview": {
        "available": true,
        "kind": "bounded-live-proof",
        "paidDelta": "Paid fulfillment returns every full stored snapshot in the requested window; the inline proof exposes inventory, coverage, and a bounded latest-snapshot summary.",
        "url": "https://machineobserver.com/api/x402/history?days=30&preview=1",
        "valueProof": {
          "firstRecordedAt": "2026-09-01T05:40:00.000Z",
          "freeTierComparison": {
            "additionalSnapshotsBeyondFreeTier": 0,
            "freeEndpoint": "https://machineobserver.com/api/v1/history?limit=100",
            "freeEndpointReturnsSnapshots": 6,
            "note": "The free endpoint already returns every stored snapshot in this window. Machine Observer does not recommend paying for data it publishes for free.",
            "paidAddsData": false,
            "paidSnapshotsInRequestedWindow": 6,
            "storedSnapshotsTotal": 6
          },
          "latestRecordedAt": "2026-09-05T06:37:08.498Z",
          "latestSnapshotSummary": {
            "collectionSummary": {
              "sourceFamilies": 5,
              "successfulFamilies": 5,
              "totalSuccessfulMeasurements": 28
            },
            "exampleSourceIds": [
              "agent-economy",
              "apis-guru",
              "gpu-cloud-prices"
            ],
            "healthySourceCount": 10,
            "indexCount": 18,
            "indexStatusCounts": {
              "candidate": 18,
              "core": 0,
              "experimental": 0
            },
            "recordedAt": "2026-09-05T06:37:08.498Z",
            "sourceCount": 11,
            "sourceHealth": {
              "degraded": 9,
              "healthy": 33,
              "total": 44,
              "unavailable": 2
            }
          },
          "note": "Payment is not recommended: all 6 snapshots in this window are already returned by the free endpoint.",
          "paidSnapshotIncludes": [
            "sources",
            "supply",
            "developer",
            "collectionSummary",
            "indexRegistry",
            "categoryRegistry",
            "sourceHealthSummary"
          ],
          "priceUsd": 0.001,
          "purchaseRecommended": false,
          "requestedWindowDays": 30,
          "snapshotCount": 6
        }
      },
      "priceUsd": 0.001,
      "protocolVersions": {
        "alsoAccepts": "x402-version request header, or Accept: application/vnd.x402.v1+json",
        "default": 2,
        "note": "Machine Observer serves x402 v2 by default and v1 on request. Both challenges describe the same price, asset and destination.",
        "requestV1": "https://machineobserver.com/api/x402/history?days=30&x402Version=1",
        "served": 2,
        "supported": [
          1,
          2
        ]
      },
      "purchase": {
        "acceptedPaymentHeaders": [
          "PAYMENT-SIGNATURE",
          "X-PAYMENT",
          "X-PAYMENT-SIGNATURE"
        ],
        "accountRequired": false,
        "apiKeyRequired": false,
        "idempotency": {
          "guidance": "Send an 8-200 character Idempotency-Key on the paid retry. Reuse it with the exact request after a dropped connection to replay the successful result instead of paying again.",
          "header": "Idempotency-Key",
          "scope": "best-effort warm-runtime response replay",
          "supported": true
        },
        "instruction": "If purchaseRecommended is true and expected utility exceeds $0.001, retry purchase.retryUrl with a valid x402 payment header.",
        "retrySameRequest": true,
        "retryUrl": "https://machineobserver.com/api/x402/history?days=30"
      },
      "purchaseRecommended": false,
      "value": "Machine Observer premium historical snapshots across machine commerce, trust, likeness, API/data, compute, model/tool supply, and developer-adoption signals.",
      "valueProof": {
        "firstRecordedAt": "2026-09-01T05:40:00.000Z",
        "freeTierComparison": {
          "additionalSnapshotsBeyondFreeTier": 0,
          "freeEndpoint": "https://machineobserver.com/api/v1/history?limit=100",
          "freeEndpointReturnsSnapshots": 6,
          "note": "The free endpoint already returns every stored snapshot in this window. Machine Observer does not recommend paying for data it publishes for free.",
          "paidAddsData": false,
          "paidSnapshotsInRequestedWindow": 6,
          "storedSnapshotsTotal": 6
        },
        "latestRecordedAt": "2026-09-05T06:37:08.498Z",
        "latestSnapshotSummary": {
          "collectionSummary": {
            "sourceFamilies": 5,
            "successfulFamilies": 5,
            "totalSuccessfulMeasurements": 28
          },
          "exampleSourceIds": [
            "agent-economy",
            "apis-guru",
            "gpu-cloud-prices"
          ],
          "healthySourceCount": 10,
          "indexCount": 18,
          "indexStatusCounts": {
            "candidate": 18,
            "core": 0,
            "experimental": 0
          },
          "recordedAt": "2026-09-05T06:37:08.498Z",
          "sourceCount": 11,
          "sourceHealth": {
            "degraded": 9,
            "healthy": 33,
            "total": 44,
            "unavailable": 2
          }
        },
        "note": "Payment is not recommended: all 6 snapshots in this window are already returned by the free endpoint.",
        "paidSnapshotIncludes": [
          "sources",
          "supply",
          "developer",
          "collectionSummary",
          "indexRegistry",
          "categoryRegistry",
          "sourceHealthSummary"
        ],
        "priceUsd": 0.001,
        "purchaseRecommended": false,
        "requestedWindowDays": 30,
        "snapshotCount": 6
      },
      "version": 1
    }
  },
  "tags": [
    "machine-economy",
    "historical-data",
    "x402",
    "agents",
    "indexes",
    "bazaar",
    "machineObserverOffer"
  ],
  "sourceHost": "machineobserver.com",
  "lastUpdated": "2026-09-05T14:13:57.444Z",
  "quality": {
    "calls30d": 9,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-09T14:27:00.28Z"
  },
  "metadata": {
    "serviceName": "Machine Observer",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "days": 30
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 2,
              "days": 30,
              "paid": true,
              "schemaVersion": 1,
              "snapshots": [
                {
                  "note": "Illustrative snapshot shape; paid output returns stored Machine Observer observations for the requested window.",
                  "recordedAt": "2026-09-02T00:00:00.000Z"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "days": {
                      "description": "Number of calendar days of stored Machine Observer history to return.",
                      "maximum": 365,
                      "minimum": 1,
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "count": {
                      "type": "integer"
                    },
                    "currency": {
                      "type": "string"
                    },
                    "days": {
                      "type": "integer"
                    },
                    "network": {
                      "type": "string"
                    },
                    "paid": {
                      "type": "boolean"
                    },
                    "priceUsd": {
                      "type": "number"
                    },
                    "protocol": {
                      "type": "string"
                    },
                    "schemaVersion": {
                      "type": "integer"
                    },
                    "snapshots": {
                      "items": {
                        "type": "object"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "schemaVersion",
                    "paid",
                    "days",
                    "count",
                    "snapshots"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "machineObserverOffer": {
        "amountAtomic": "1000",
        "buyerFlow": {
          "funnelVersion": 3,
          "recommendedSequence": [
            "inspect_live_value_proof",
            "retry_same_request_with_x402_payment"
          ],
          "spendControl": "Buyer or principal retains wallet authorization. No preview, value proof, challenge, or next action authorizes payment."
        },
        "currency": "USDC",
        "freeAlternative": {
          "additionalSnapshotsBeyondFreeTier": 0,
          "freeEndpoint": "https://machineobserver.com/api/v1/history?limit=100",
          "freeEndpointReturnsSnapshots": 6,
          "note": "The free endpoint already returns every stored snapshot in this window. Machine Observer does not recommend paying for data it publishes for free.",
          "paidAddsData": false,
          "paidSnapshotsInRequestedWindow": 6,
          "storedSnapshotsTotal": 6
        },
        "freePreviewUrl": "https://machineobserver.com/api/x402/history?days=30&preview=1",
        "funnelVersion": 3,
        "network": "Base",
        "nextActions": [
          "https://machineobserver.com/api/x402/best-practice",
          "https://machineobserver.com/api/x402/meta-analysis"
        ],
        "paidUrl": "https://machineobserver.com/api/x402/history?days=30",
        "preview": {
          "available": true,
          "kind": "bounded-live-proof",
          "paidDelta": "Paid fulfillment returns every full stored snapshot in the requested window; the inline proof exposes inventory, coverage, and a bounded latest-snapshot summary.",
          "url": "https://machineobserver.com/api/x402/history?days=30&preview=1",
          "valueProof": {
            "firstRecordedAt": "2026-09-01T05:40:00.000Z",
            "freeTierComparison": {
              "additionalSnapshotsBeyondFreeTier": 0,
              "freeEndpoint": "https://machineobserver.com/api/v1/history?limit=100",
              "freeEndpointReturnsSnapshots": 6,
              "note": "The free endpoint already returns every stored snapshot in this window. Machine Observer does not recommend paying for data it publishes for free.",
              "paidAddsData": false,
              "paidSnapshotsInRequestedWindow": 6,
              "storedSnapshotsTotal": 6
            },
            "latestRecordedAt": "2026-09-05T06:37:08.498Z",
            "latestSnapshotSummary": {
              "collectionSummary": {
                "sourceFamilies": 5,
                "successfulFamilies": 5,
                "totalSuccessfulMeasurements": 28
              },
              "exampleSourceIds": [
                "agent-economy",
                "apis-guru",
                "gpu-cloud-prices"
              ],
              "healthySourceCount": 10,
              "indexCount": 18,
              "indexStatusCounts": {
                "candidate": 18,
                "core": 0,
                "experimental": 0
              },
              "recordedAt": "2026-09-05T06:37:08.498Z",
              "sourceCount": 11,
              "sourceHealth": {
                "degraded": 9,
                "healthy": 33,
                "total": 44,
                "unavailable": 2
              }
            },
            "note": "Payment is not recommended: all 6 snapshots in this window are already returned by the free endpoint.",
            "paidSnapshotIncludes": [
              "sources",
              "supply",
              "developer",
              "collectionSummary",
              "indexRegistry",
              "categoryRegistry",
              "sourceHealthSummary"
            ],
            "priceUsd": 0.001,
            "purchaseRecommended": false,
            "requestedWindowDays": 30,
            "snapshotCount": 6
          }
        },
        "priceUsd": 0.001,
        "protocolVersions": {
          "alsoAccepts": "x402-version request header, or Accept: application/vnd.x402.v1+json",
          "default": 2,
          "note": "Machine Observer serves x402 v2 by default and v1 on request. Both challenges describe the same price, asset and destination.",
          "requestV1": "https://machineobserver.com/api/x402/history?days=30&x402Version=1",
          "served": 2,
          "supported": [
            1,
            2
          ]
        },
        "purchase": {
          "acceptedPaymentHeaders": [
            "PAYMENT-SIGNATURE",
            "X-PAYMENT",
            "X-PAYMENT-SIGNATURE"
          ],
          "accountRequired": false,
          "apiKeyRequired": false,
          "idempotency": {
            "guidance": "Send an 8-200 character Idempotency-Key on the paid retry. Reuse it with the exact request after a dropped connection to replay the successful result instead of paying again.",
            "header": "Idempotency-Key",
            "scope": "best-effort warm-runtime response replay",
            "supported": true
          },
          "instruction": "If purchaseRecommended is true and expected utility exceeds $0.001, retry purchase.retryUrl with a valid x402 payment header.",
          "retrySameRequest": true,
          "retryUrl": "https://machineobserver.com/api/x402/history?days=30"
        },
        "purchaseRecommended": false,
        "value": "Machine Observer premium historical snapshots across machine commerce, trust, likeness, API/data, compute, model/tool supply, and developer-adoption signals.",
        "valueProof": {
          "firstRecordedAt": "2026-09-01T05:40:00.000Z",
          "freeTierComparison": {
            "additionalSnapshotsBeyondFreeTier": 0,
            "freeEndpoint": "https://machineobserver.com/api/v1/history?limit=100",
            "freeEndpointReturnsSnapshots": 6,
            "note": "The free endpoint already returns every stored snapshot in this window. Machine Observer does not recommend paying for data it publishes for free.",
            "paidAddsData": false,
            "paidSnapshotsInRequestedWindow": 6,
            "storedSnapshotsTotal": 6
          },
          "latestRecordedAt": "2026-09-05T06:37:08.498Z",
          "latestSnapshotSummary": {
            "collectionSummary": {
              "sourceFamilies": 5,
              "successfulFamilies": 5,
              "totalSuccessfulMeasurements": 28
            },
            "exampleSourceIds": [
              "agent-economy",
              "apis-guru",
              "gpu-cloud-prices"
            ],
            "healthySourceCount": 10,
            "indexCount": 18,
            "indexStatusCounts": {
              "candidate": 18,
              "core": 0,
              "experimental": 0
            },
            "recordedAt": "2026-09-05T06:37:08.498Z",
            "sourceCount": 11,
            "sourceHealth": {
              "degraded": 9,
              "healthy": 33,
              "total": 44,
              "unavailable": 2
            }
          },
          "note": "Payment is not recommended: all 6 snapshots in this window are already returned by the free endpoint.",
          "paidSnapshotIncludes": [
            "sources",
            "supply",
            "developer",
            "collectionSummary",
            "indexRegistry",
            "categoryRegistry",
            "sourceHealthSummary"
          ],
          "priceUsd": 0.001,
          "purchaseRecommended": false,
          "requestedWindowDays": 30,
          "snapshotCount": 6
        },
        "version": 1
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "machineobserver.com",
    "manifest_name": "machineobserver.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "example": {
      "count": 0,
      "currency": "string",
      "days": 0,
      "network": "string",
      "paid": true,
      "priceUsd": 0,
      "protocol": "string",
      "schemaVersion": 0,
      "snapshots": [
        {}
      ]
    },
    "type": "string"
  }
}