Website Conversion Intelligence API Documentation

Read supplied analytics exports and funnel counts to measure drop-offs, tracking gaps, and segment differences without accessing analytics accounts. Payment is the exact USDC price on Base with x402.

{
  "text": "Funnel: F-1 | Signup\nStage: F-1 | S1 | Landing | 1 | 1000\nStage: F-1 | S2 | Signup form | 2 | 400\nStage: F-1 | S3 | Confirmed | 3 | 120\nAds caused the drop.\n"
}

{
  "checkedAt": "2026-11-04T16:00:00.000Z",
  "status": "analyzed",
  "funnels": [
    {
      "id": "F-1",
      "name": "Signup",
      "stageCount": 3,
      "overallRate": 0.12,
      "overallRateSupplied": true,
      "largestDropStageId": "S2",
      "largestDrop": 0.7,
      "largestDropSupplied": true,
      "stages": [
        {
          "id": "S1",
          "name": "Landing",
          "order": 1,
          "count": 1000,
          "countSupplied": true,
          "toNextRate": 0.4,
          "toNextRateSupplied": true,
          "dropOff": 0.6,
          "dropOffSupplied": true
        },
        {
          "id": "S2",
          "name": "Signup form",
          "order": 2,
          "count": 400,
          "countSupplied": true,
          "toNextRate": 0.3,
          "toNextRateSupplied": true,
          "dropOff": 0.7,
          "dropOffSupplied": true
        },
        {
          "id": "S3",
          "name": "Confirmed",
          "order": 3,
          "count": 120,
          "countSupplied": true,
          "toNextRate": 0,
          "toNextRateSupplied": false,
          "dropOff": 0,
          "dropOffSupplied": false
        }
      ],
      "causationClaimed": false
    }
  ],
  "analyticsAccessed": false,
  "trafficInvented": false,
  "conversionsInvented": false,
  "revenueInvented": false,
  "causationClaimed": false,
  "findings": [
    {
      "kind": "ignored",
      "code": "unlabeled_line",
      "subject": "",
      "detail": "Lines without a recognized label were not read and their text was not copied."
    }
  ],
  "limitations": [
    "Funnel stages, pages, events, sources, forms, and segments are copied only from labeled counts supplied by the caller.",
    "Conversion rates and drop-offs use only those counts. Missing counts are not filled in.",
    "A difference between segments or sources is an association in the supplied numbers, not a proven cause.",
    "Segment comparisons run only when both samples meet the disclosed minimum size.",
    "No analytics or advertising account is accessed, and no traffic, conversions, or revenue are invented."
  ]
}

curl -i -X POST "https://brainiac.software/api/v1/conversion-intelligence/analytics-funnel-analyze" \
  -H 'content-type: application/json' \
  -H 'Idempotency-Key: <fresh-64-character-random-hex-key>' \
  --data-binary @- <<'JSON'
{
  "text": "Funnel: F-1 | Signup\nStage: F-1 | S1 | Landing | 1 | 1000\nStage: F-1 | S2 | Signup form | 2 | 400\nStage: F-1 | S3 | Confirmed | 3 | 120\nAds caused the drop.\n"
}
JSON

{
  "pages": [
    {
      "id": "P1",
      "path": "/pricing",
      "name": "Pricing",
      "views": 1000,
      "exits": 700,
      "conversions": 40
    },
    {
      "id": "P2",
      "path": "/home",
      "name": "Home",
      "views": 2000,
      "exits": 600,
      "conversions": 100
    }
  ]
}

{
  "checkedAt": "2026-11-04T16:00:00.000Z",
  "status": "detected",
  "pages": [
    {
      "id": "P1",
      "path": "/pricing",
      "name": "Pricing",
      "views": 1000,
      "viewsSupplied": true,
      "exits": 700,
      "exitsSupplied": true,
      "conversions": 40,
      "conversionsSupplied": true,
      "exitRate": 0.7,
      "exitRateSupplied": true,
      "conversionRate": 0.04,
      "conversionRateSupplied": true,
      "dropOffMeasured": true,
      "causationClaimed": false
    },
    {
      "id": "P2",
      "path": "/home",
      "name": "Home",
      "views": 2000,
      "viewsSupplied": true,
      "exits": 600,
      "exitsSupplied": true,
      "conversions": 100,
      "conversionsSupplied": true,
      "exitRate": 0.3,
      "exitRateSupplied": true,
      "conversionRate": 0.05,
      "conversionRateSupplied": true,
      "dropOffMeasured": true,
      "causationClaimed": false
    }
  ],
  "largestExitPath": "/pricing",
  "largestExitRate": 0.7,
  "largestExitRateSupplied": true,
  "analyticsAccessed": false,
  "trafficInvented": false,
  "conversionsInvented": false,
  "revenueInvented": false,
  "causationClaimed": false,
  "findings": [],
  "limitations": [
    "Funnel stages, pages, events, sources, forms, and segments are copied only from labeled counts supplied by the caller.",
    "Conversion rates and drop-offs use only those counts. Missing counts are not filled in.",
    "A difference between segments or sources is an association in the supplied numbers, not a proven cause.",
    "Segment comparisons run only when both samples meet the disclosed minimum size.",
    "No analytics or advertising account is accessed, and no traffic, conversions, or revenue are invented."
  ]
}

curl -i -X POST "https://brainiac.software/api/v1/conversion-intelligence/landing-page-dropoff-detect" \
  -H 'content-type: application/json' \
  -H 'Idempotency-Key: <fresh-64-character-random-hex-key>' \
  --data-binary @- <<'JSON'
{
  "pages": [
    {
      "id": "P1",
      "path": "/pricing",
      "name": "Pricing",
      "views": 1000,
      "exits": 700,
      "conversions": 40
    },
    {
      "id": "P2",
      "path": "/home",
      "name": "Home",
      "views": 2000,
      "exits": 600,
      "conversions": 100
    }
  ]
}
JSON

{
  "funnels": [
    {
      "id": "F-1",
      "name": "Checkout"
    }
  ],
  "stages": [
    {
      "funnelId": "F-1",
      "id": "C1",
      "name": "Cart",
      "order": 1,
      "count": 800
    },
    {
      "funnelId": "F-1",
      "id": "C2",
      "name": "Checkout",
      "order": 2,
      "count": 300
    },
    {
      "funnelId": "F-1",
      "id": "C3",
      "name": "Payment",
      "order": 3,
      "count": 180
    },
    {
      "funnelId": "F-1",
      "id": "C4",
      "name": "Purchase",
      "order": 4,
      "count": 150
    }
  ]
}

{
  "checkedAt": "2026-11-04T16:00:00.000Z",
  "status": "audited",
  "funnels": [
    {
      "id": "F-1",
      "name": "Checkout",
      "overallRate": 0.1875,
      "overallRateSupplied": true,
      "largestDropStageId": "C1",
      "largestDrop": 0.625,
      "largestDropSupplied": true,
      "stages": [
        {
          "id": "C1",
          "name": "Cart",
          "order": 1,
          "count": 800,
          "countSupplied": true,
          "toNextRate": 0.375,
          "toNextRateSupplied": true,
          "dropOff": 0.625,
          "dropOffSupplied": true
        },
        {
          "id": "C2",
          "name": "Checkout",
          "order": 2,
          "count": 300,
          "countSupplied": true,
          "toNextRate": 0.6,
          "toNextRateSupplied": true,
          "dropOff": 0.4,
          "dropOffSupplied": true
        },
        {
          "id": "C3",
          "name": "Payment",
          "order": 3,
          "count": 180,
          "countSupplied": true,
          "toNextRate": 0.8333,
          "toNextRateSupplied": true,
          "dropOff": 0.1667,
          "dropOffSupplied": true
        },
        {
          "id": "C4",
          "name": "Purchase",
          "order": 4,
          "count": 150,
          "countSupplied": true,
          "toNextRate": 0,
          "toNextRateSupplied": false,
          "dropOff": 0,
          "dropOffSupplied": false
        }
      ],
      "causationClaimed": false
    }
  ],
  "analyticsAccessed": false,
  "trafficInvented": false,
  "conversionsInvented": false,
  "revenueInvented": false,
  "causationClaimed": false,
  "findings": [],
  "limitations": [
    "Funnel stages, pages, events, sources, forms, and segments are copied only from labeled counts supplied by the caller.",
    "Conversion rates and drop-offs use only those counts. Missing counts are not filled in.",
    "A difference between segments or sources is an association in the supplied numbers, not a proven cause.",
    "Segment comparisons run only when both samples meet the disclosed minimum size.",
    "No analytics or advertising account is accessed, and no traffic, conversions, or revenue are invented."
  ]
}

curl -i -X POST "https://brainiac.software/api/v1/conversion-intelligence/checkout-funnel-audit" \
  -H 'content-type: application/json' \
  -H 'Idempotency-Key: <fresh-64-character-random-hex-key>' \
  --data-binary @- <<'JSON'
{
  "funnels": [
    {
      "id": "F-1",
      "name": "Checkout"
    }
  ],
  "stages": [
    {
      "funnelId": "F-1",
      "id": "C1",
      "name": "Cart",
      "order": 1,
      "count": 800
    },
    {
      "funnelId": "F-1",
      "id": "C2",
      "name": "Checkout",
      "order": 2,
      "count": 300
    },
    {
      "funnelId": "F-1",
      "id": "C3",
      "name": "Payment",
      "order": 3,
      "count": 180
    },
    {
      "funnelId": "F-1",
      "id": "C4",
      "name": "Purchase",
      "order": 4,
      "count": 150
    }
  ]
}
JSON

{
  "expectedEvents": [
    {
      "name": "page_view"
    },
    {
      "name": "add_to_cart"
    },
    {
      "name": "purchase"
    }
  ],
  "events": [
    {
      "name": "page_view",
      "count": 5000,
      "page": "/home"
    },
    {
      "name": "add_to_cart",
      "count": 0,
      "page": "/product"
    },
    {
      "name": "begin_checkout",
      "count": 200
    }
  ]
}

{
  "checkedAt": "2026-11-04T16:00:00.000Z",
  "status": "checked",
  "expectedCount": 3,
  "missingCount": 1,
  "presentCount": 1,
  "items": [
    {
      "name": "page_view",
      "status": "present",
      "count": 5000,
      "countSupplied": true,
      "pages": [
        "/home"
      ]
    },
    {
      "name": "add_to_cart",
      "status": "zero",
      "count": 0,
      "countSupplied": true,
      "pages": [
        "/product"
      ]
    },
    {
      "name": "purchase",
      "status": "missing",
      "count": 0,
      "countSupplied": false,
      "pages": []
    },
    {
      "name": "begin_checkout",
      "status": "unexpected",
      "count": 200,
      "countSupplied": true,
      "pages": []
    }
  ],
  "analyticsAccessed": false,
  "trafficInvented": false,
  "conversionsInvented": false,
  "revenueInvented": false,
  "causationClaimed": false,
  "findings": [
    {
      "kind": "observation",
      "code": "event_zero",
      "subject": "add_to_cart",
      "detail": "The expected event is present with a supplied count of zero."
    },
    {
      "kind": "missing",
      "code": "event_missing",
      "subject": "purchase",
      "detail": "An expected event was not present in the supplied event list."
    }
  ],
  "limitations": [
    "Funnel stages, pages, events, sources, forms, and segments are copied only from labeled counts supplied by the caller.",
    "Conversion rates and drop-offs use only those counts. Missing counts are not filled in.",
    "A difference between segments or sources is an association in the supplied numbers, not a proven cause.",
    "Segment comparisons run only when both samples meet the disclosed minimum size.",
    "No analytics or advertising account is accessed, and no traffic, conversions, or revenue are invented."
  ]
}

curl -i -X POST "https://brainiac.software/api/v1/conversion-intelligence/event-coverage-check" \
  -H 'content-type: application/json' \
  -H 'Idempotency-Key: <fresh-64-character-random-hex-key>' \
  --data-binary @- <<'JSON'
{
  "expectedEvents": [
    {
      "name": "page_view"
    },
    {
      "name": "add_to_cart"
    },
    {
      "name": "purchase"
    }
  ],
  "events": [
    {
      "name": "page_view",
      "count": 5000,
      "page": "/home"
    },
    {
      "name": "add_to_cart",
      "count": 0,
      "page": "/product"
    },
    {
      "name": "begin_checkout",
      "count": 200
    }
  ]
}
JSON

{
  "minSample": 100,
  "sources": [
    {
      "id": "organic",
      "name": "Organic",
      "sessions": 2000,
      "conversions": 80,
      "revenue": 4000
    },
    {
      "id": "paid",
      "name": "Paid",
      "sessions": 500,
      "conversions": 40,
      "revenue": 2500
    },
    {
      "id": "tiny",
      "name": "Tiny",
      "sessions": 20,
      "conversions": 5
    }
  ]
}

{
  "checkedAt": "2026-11-04T16:00:00.000Z",
  "status": "analyzed",
  "minSample": 100,
  "sources": [
    {
      "id": "organic",
      "name": "Organic",
      "sessions": 2000,
      "sessionsSupplied": true,
      "conversions": 80,
      "conversionsSupplied": true,
      "revenue": 4000,
      "revenueSupplied": true,
      "conversionRate": 0.04,
      "conversionRateSupplied": true,
      "sampleSufficient": true,
      "causationClaimed": false
    },
    {
      "id": "paid",
      "name": "Paid",
      "sessions": 500,
      "sessionsSupplied": true,
      "conversions": 40,
      "conversionsSupplied": true,
      "revenue": 2500,
      "revenueSupplied": true,
      "conversionRate": 0.08,
      "conversionRateSupplied": true,
      "sampleSufficient": true,
      "causationClaimed": false
    },
    {
      "id": "tiny",
      "name": "Tiny",
      "sessions": 20,
      "sessionsSupplied": true,
      "conversions": 5,
      "conversionsSupplied": true,
      "revenue": 0,
      "revenueSupplied": false,
      "conversionRate": 0.25,
      "conversionRateSupplied": true,
      "sampleSufficient": false,
      "causationClaimed": false
    }
  ],
  "highestRateSourceId": "paid",
  "highestRate": 0.08,
  "highestRateSupplied": true,
  "analyticsAccessed": false,
  "trafficInvented": false,
  "conversionsInvented": false,
  "revenueInvented": false,
  "causationClaimed": false,
  "findings": [
    {
      "kind": "observation",
      "code": "source_sample_small",
      "subject": "tiny",
      "detail": "A source conversion rate is shown, but the sample is below the disclosed minimum of 100 sessions. It is not used for ranking."
    }
  ],
  "limitations": [
    "Funnel stages, pages, events, sources, forms, and segments are copied only from labeled counts supplied by the caller.",
    "Conversion rates and drop-offs use only those counts. Missing counts are not filled in.",
    "A difference between segments or sources is an association in the supplied numbers, not a proven cause.",
    "Segment comparisons run only when both samples meet the disclosed minimum size.",
    "No analytics or advertising account is accessed, and no traffic, conversions, or revenue are invented."
  ]
}

curl -i -X POST "https://brainiac.software/api/v1/conversion-intelligence/traffic-source-quality-analyze" \
  -H 'content-type: application/json' \
  -H 'Idempotency-Key: <fresh-64-character-random-hex-key>' \
  --data-binary @- <<'JSON'
{
  "minSample": 100,
  "sources": [
    {
      "id": "organic",
      "name": "Organic",
      "sessions": 2000,
      "conversions": 80,
      "revenue": 4000
    },
    {
      "id": "paid",
      "name": "Paid",
      "sessions": 500,
      "conversions": 40,
      "revenue": 2500
    },
    {
      "id": "tiny",
      "name": "Tiny",
      "sessions": 20,
      "conversions": 5
    }
  ]
}
JSON

{
  "forms": [
    {
      "id": "lead",
      "name": "Lead form",
      "starts": 400,
      "completes": 100
    }
  ],
  "fields": [
    {
      "formId": "lead",
      "name": "email",
      "starts": 400,
      "abandons": 50
    },
    {
      "formId": "lead",
      "name": "phone",
      "starts": 350,
      "abandons": 180
    }
  ]
}

{
  "checkedAt": "2026-11-04T16:00:00.000Z",
  "status": "analyzed",
  "forms": [
    {
      "id": "lead",
      "name": "Lead form",
      "starts": 400,
      "startsSupplied": true,
      "completes": 100,
      "completesSupplied": true,
      "completionRate": 0.25,
      "completionRateSupplied": true,
      "abandonmentRate": 0.75,
      "abandonmentRateSupplied": true,
      "largestField": "phone",
      "largestFieldRate": 0.5143,
      "largestFieldRateSupplied": true,
      "fields": [
        {
          "name": "email",
          "starts": 400,
          "startsSupplied": true,
          "abandons": 50,
          "abandonsSupplied": true,
          "abandonmentRate": 0.125,
          "abandonmentRateSupplied": true
        },
        {
          "name": "phone",
          "starts": 350,
          "startsSupplied": true,
          "abandons": 180,
          "abandonsSupplied": true,
          "abandonmentRate": 0.5143,
          "abandonmentRateSupplied": true
        }
      ],
      "causationClaimed": false
    }
  ],
  "analyticsAccessed": false,
  "trafficInvented": false,
  "conversionsInvented": false,
  "revenueInvented": false,
  "causationClaimed": false,
  "findings": [],
  "limitations": [
    "Funnel stages, pages, events, sources, forms, and segments are copied only from labeled counts supplied by the caller.",
    "Conversion rates and drop-offs use only those counts. Missing counts are not filled in.",
    "A difference between segments or sources is an association in the supplied numbers, not a proven cause.",
    "Segment comparisons run only when both samples meet the disclosed minimum size.",
    "No analytics or advertising account is accessed, and no traffic, conversions, or revenue are invented."
  ]
}

curl -i -X POST "https://brainiac.software/api/v1/conversion-intelligence/form-abandonment-analyze" \
  -H 'content-type: application/json' \
  -H 'Idempotency-Key: <fresh-64-character-random-hex-key>' \
  --data-binary @- <<'JSON'
{
  "forms": [
    {
      "id": "lead",
      "name": "Lead form",
      "starts": 400,
      "completes": 100
    }
  ],
  "fields": [
    {
      "formId": "lead",
      "name": "email",
      "starts": 400,
      "abandons": 50
    },
    {
      "formId": "lead",
      "name": "phone",
      "starts": 350,
      "abandons": 180
    }
  ]
}
JSON

{
  "minSample": 100,
  "segments": [
    {
      "id": "mobile",
      "name": "Mobile",
      "sessions": 800,
      "conversions": 40
    },
    {
      "id": "desktop",
      "name": "Desktop",
      "sessions": 900,
      "conversions": 90
    },
    {
      "id": "tablet",
      "name": "Tablet",
      "sessions": 40,
      "conversions": 8
    }
  ]
}

{
  "checkedAt": "2026-11-04T16:00:00.000Z",
  "status": "compared",
  "minSample": 100,
  "segments": [
    {
      "id": "mobile",
      "name": "Mobile",
      "sessions": 800,
      "sessionsSupplied": true,
      "conversions": 40,
      "conversionsSupplied": true,
      "conversionRate": 0.05,
      "conversionRateSupplied": true,
      "sampleSufficient": true
    },
    {
      "id": "desktop",
      "name": "Desktop",
      "sessions": 900,
      "sessionsSupplied": true,
      "conversions": 90,
      "conversionsSupplied": true,
      "conversionRate": 0.1,
      "conversionRateSupplied": true,
      "sampleSufficient": true
    },
    {
      "id": "tablet",
      "name": "Tablet",
      "sessions": 40,
      "sessionsSupplied": true,
      "conversions": 8,
      "conversionsSupplied": true,
      "conversionRate": 0.2,
      "conversionRateSupplied": true,
      "sampleSufficient": false
    }
  ],
  "comparisons": [
    {
      "leftId": "mobile",
      "rightId": "desktop",
      "leftSessions": 800,
      "rightSessions": 900,
      "leftRate": 0.05,
      "rightRate": 0.1,
      "rateDifference": -0.05,
      "minSample": 100,
      "compared": true,
      "causationClaimed": false
    }
  ],
  "analyticsAccessed": false,
  "trafficInvented": false,
  "conversionsInvented": false,
  "revenueInvented": false,
  "causationClaimed": false,
  "findings": [
    {
      "kind": "observation",
      "code": "segment_sample_small",
      "subject": "tablet",
      "detail": "Segment sample 40 is below the disclosed minimum of 100. It was not compared."
    }
  ],
  "limitations": [
    "Funnel stages, pages, events, sources, forms, and segments are copied only from labeled counts supplied by the caller.",
    "Conversion rates and drop-offs use only those counts. Missing counts are not filled in.",
    "A difference between segments or sources is an association in the supplied numbers, not a proven cause.",
    "Segment comparisons run only when both samples meet the disclosed minimum size.",
    "No analytics or advertising account is accessed, and no traffic, conversions, or revenue are invented."
  ]
}

curl -i -X POST "https://brainiac.software/api/v1/conversion-intelligence/segment-compare" \
  -H 'content-type: application/json' \
  -H 'Idempotency-Key: <fresh-64-character-random-hex-key>' \
  --data-binary @- <<'JSON'
{
  "minSample": 100,
  "segments": [
    {
      "id": "mobile",
      "name": "Mobile",
      "sessions": 800,
      "conversions": 40
    },
    {
      "id": "desktop",
      "name": "Desktop",
      "sessions": 900,
      "conversions": 90
    },
    {
      "id": "tablet",
      "name": "Tablet",
      "sessions": 40,
      "conversions": 8
    }
  ]
}
JSON

{
  "minSample": 100,
  "funnels": [
    {
      "id": "F-1",
      "name": "Signup"
    }
  ],
  "stages": [
    {
      "funnelId": "F-1",
      "id": "S1",
      "name": "Landing",
      "order": 1,
      "count": 1000
    },
    {
      "funnelId": "F-1",
      "id": "S2",
      "name": "Signup form",
      "order": 2,
      "count": 400
    },
    {
      "funnelId": "F-1",
      "id": "S3",
      "name": "Confirmed",
      "order": 3,
      "count": 120
    }
  ],
  "pages": [
    {
      "id": "P1",
      "path": "/pricing",
      "views": 1000,
      "exits": 700,
      "conversions": 40
    }
  ],
  "expectedEvents": [
    {
      "name": "page_view"
    },
    {
      "name": "purchase"
    }
  ],
  "events": [
    {
      "name": "page_view",
      "count": 5000
    },
    {
      "name": "add_to_cart",
      "count": 200
    }
  ],
  "sources": [
    {
      "id": "organic",
      "name": "Organic",
      "sessions": 2000,
      "conversions": 80
    },
    {
      "id": "paid",
      "name": "Paid",
      "sessions": 500,
      "conversions": 40
    }
  ],
  "forms": [
    {
      "id": "lead",
      "name": "Lead form",
      "starts": 400,
      "completes": 100
    }
  ],
  "fields": [
    {
      "formId": "lead",
      "name": "phone",
      "starts": 350,
      "abandons": 180
    }
  ],
  "segments": [
    {
      "id": "mobile",
      "name": "Mobile",
      "sessions": 800,
      "conversions": 40
    },
    {
      "id": "desktop",
      "name": "Desktop",
      "sessions": 900,
      "conversions": 90
    }
  ]
}

{
  "checkedAt": "2026-11-04T16:00:00.000Z",
  "status": "reported",
  "minSample": 100,
  "funnelCount": 1,
  "pageCount": 1,
  "missingEventCount": 1,
  "formCount": 1,
  "comparedSegmentPairs": 1,
  "largestFunnelDrop": 0.7,
  "largestExitRate": 0.7,
  "funnels": [
    {
      "id": "F-1",
      "name": "Signup",
      "stageCount": 3,
      "overallRate": 0.12,
      "overallRateSupplied": true,
      "largestDropStageId": "S2",
      "largestDrop": 0.7,
      "largestDropSupplied": true,
      "stages": [
        {
          "id": "S1",
          "name": "Landing",
          "order": 1,
          "count": 1000,
          "countSupplied": true,
          "toNextRate": 0.4,
          "toNextRateSupplied": true,
          "dropOff": 0.6,
          "dropOffSupplied": true
        },
        {
          "id": "S2",
          "name": "Signup form",
          "order": 2,
          "count": 400,
          "countSupplied": true,
          "toNextRate": 0.3,
          "toNextRateSupplied": true,
          "dropOff": 0.7,
          "dropOffSupplied": true
        },
        {
          "id": "S3",
          "name": "Confirmed",
          "order": 3,
          "count": 120,
          "countSupplied": true,
          "toNextRate": 0,
          "toNextRateSupplied": false,
          "dropOff": 0,
          "dropOffSupplied": false
        }
      ],
      "causationClaimed": false
    }
  ],
  "pages": [
    {
      "id": "P1",
      "path": "/pricing",
      "name": "P1",
      "views": 1000,
      "viewsSupplied": true,
      "exits": 700,
      "exitsSupplied": true,
      "conversions": 40,
      "conversionsSupplied": true,
      "exitRate": 0.7,
      "exitRateSupplied": true,
      "conversionRate": 0.04,
      "conversionRateSupplied": true,
      "dropOffMeasured": true,
      "causationClaimed": false
    }
  ],
  "checkout": [
    {
      "id": "F-1",
      "name": "Signup",
      "overallRate": 0.12,
      "overallRateSupplied": true,
      "largestDropStageId": "S2",
      "largestDrop": 0.7,
      "largestDropSupplied": true,
      "stages": [
        {
          "id": "S1",
          "name": "Landing",
          "order": 1,
          "count": 1000,
          "countSupplied": true,
          "toNextRate": 0.4,
          "toNextRateSupplied": true,
          "dropOff": 0.6,
          "dropOffSupplied": true
        },
        {
          "id": "S2",
          "name": "Signup form",
          "order": 2,
          "count": 400,
          "countSupplied": true,
          "toNextRate": 0.3,
          "toNextRateSupplied": true,
          "dropOff": 0.7,
          "dropOffSupplied": true
        },
        {
          "id": "S3",
          "name": "Confirmed",
          "order": 3,
          "count": 120,
          "countSupplied": true,
          "toNextRate": 0,
          "toNextRateSupplied": false,
          "dropOff": 0,
          "dropOffSupplied": false
        }
      ],
      "causationClaimed": false
    }
  ],
  "coverage": [
    {
      "name": "page_view",
      "status": "present",
      "count": 5000,
      "countSupplied": true,
      "pages": []
    },
    {
      "name": "purchase",
      "status": "missing",
      "count": 0,
      "countSupplied": false,
      "pages": []
    },
    {
      "name": "add_to_cart",
      "status": "unexpected",
      "count": 200,
      "countSupplied": true,
      "pages": []
    }
  ],
  "sources": [
    {
      "id": "organic",
      "name": "Organic",
      "sessions": 2000,
      "sessionsSupplied": true,
      "conversions": 80,
      "conversionsSupplied": true,
      "revenue": 0,
      "revenueSupplied": false,
      "conversionRate": 0.04,
      "conversionRateSupplied": true,
      "sampleSufficient": true,
      "causationClaimed": false
    },
    {
      "id": "paid",
      "name": "Paid",
      "sessions": 500,
      "sessionsSupplied": true,
      "conversions": 40,
      "conversionsSupplied": true,
      "revenue": 0,
      "revenueSupplied": false,
      "conversionRate": 0.08,
      "conversionRateSupplied": true,
      "sampleSufficient": true,
      "causationClaimed": false
    }
  ],
  "forms": [
    {
      "id": "lead",
      "name": "Lead form",
      "starts": 400,
      "startsSupplied": true,
      "completes": 100,
      "completesSupplied": true,
      "completionRate": 0.25,
      "completionRateSupplied": true,
      "abandonmentRate": 0.75,
      "abandonmentRateSupplied": true,
      "largestField": "phone",
      "largestFieldRate": 0.5143,
      "largestFieldRateSupplied": true,
      "fields": [
        {
          "name": "phone",
          "starts": 350,
          "startsSupplied": true,
          "abandons": 180,
          "abandonsSupplied": true,
          "abandonmentRate": 0.5143,
          "abandonmentRateSupplied": true
        }
      ],
      "causationClaimed": false
    }
  ],
  "segments": [
    {
      "id": "mobile",
      "name": "Mobile",
      "sessions": 800,
      "sessionsSupplied": true,
      "conversions": 40,
      "conversionsSupplied": true,
      "conversionRate": 0.05,
      "conversionRateSupplied": true,
      "sampleSufficient": true
    },
    {
      "id": "desktop",
      "name": "Desktop",
      "sessions": 900,
      "sessionsSupplied": true,
      "conversions": 90,
      "conversionsSupplied": true,
      "conversionRate": 0.1,
      "conversionRateSupplied": true,
      "sampleSufficient": true
    }
  ],
  "comparisons": [
    {
      "leftId": "mobile",
      "rightId": "desktop",
      "leftSessions": 800,
      "rightSessions": 900,
      "leftRate": 0.05,
      "rightRate": 0.1,
      "rateDifference": -0.05,
      "minSample": 100,
      "compared": true,
      "causationClaimed": false
    }
  ],
  "analyticsAccessed": false,
  "trafficInvented": false,
  "conversionsInvented": false,
  "revenueInvented": false,
  "causationClaimed": false,
  "findings": [
    {
      "kind": "missing",
      "code": "event_missing",
      "subject": "purchase",
      "detail": "An expected event was not present in the supplied event list."
    }
  ],
  "limitations": [
    "Funnel stages, pages, events, sources, forms, and segments are copied only from labeled counts supplied by the caller.",
    "Conversion rates and drop-offs use only those counts. Missing counts are not filled in.",
    "A difference between segments or sources is an association in the supplied numbers, not a proven cause.",
    "Segment comparisons run only when both samples meet the disclosed minimum size.",
    "No analytics or advertising account is accessed, and no traffic, conversions, or revenue are invented."
  ]
}

curl -i -X POST "https://brainiac.software/api/v1/conversion-intelligence/diagnostics-report" \
  -H 'content-type: application/json' \
  -H 'Idempotency-Key: <fresh-64-character-random-hex-key>' \
  --data-binary @- <<'JSON'
{
  "minSample": 100,
  "funnels": [
    {
      "id": "F-1",
      "name": "Signup"
    }
  ],
  "stages": [
    {
      "funnelId": "F-1",
      "id": "S1",
      "name": "Landing",
      "order": 1,
      "count": 1000
    },
    {
      "funnelId": "F-1",
      "id": "S2",
      "name": "Signup form",
      "order": 2,
      "count": 400
    },
    {
      "funnelId": "F-1",
      "id": "S3",
      "name": "Confirmed",
      "order": 3,
      "count": 120
    }
  ],
  "pages": [
    {
      "id": "P1",
      "path": "/pricing",
      "views": 1000,
      "exits": 700,
      "conversions": 40
    }
  ],
  "expectedEvents": [
    {
      "name": "page_view"
    },
    {
      "name": "purchase"
    }
  ],
  "events": [
    {
      "name": "page_view",
      "count": 5000
    },
    {
      "name": "add_to_cart",
      "count": 200
    }
  ],
  "sources": [
    {
      "id": "organic",
      "name": "Organic",
      "sessions": 2000,
      "conversions": 80
    },
    {
      "id": "paid",
      "name": "Paid",
      "sessions": 500,
      "conversions": 40
    }
  ],
  "forms": [
    {
      "id": "lead",
      "name": "Lead form",
      "starts": 400,
      "completes": 100
    }
  ],
  "fields": [
    {
      "formId": "lead",
      "name": "phone",
      "starts": 350,
      "abandons": 180
    }
  ],
  "segments": [
    {
      "id": "mobile",
      "name": "Mobile",
      "sessions": 800,
      "conversions": 40
    },
    {
      "id": "desktop",
      "name": "Desktop",
      "sessions": 900,
      "conversions": 90
    }
  ]
}
JSON