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Purchase Despite Error

The Purchase Despite Error metric tracks how many users completed a purchase after encountering an error in the same session. This highlights resilience in user behavior and may uncover hidden UX or performance issues that don’t prevent conversion but should still be addressed.

Metric model

  • Name
    metric
    Type
    string
    Description

    Always despite_errors for this metric.

  • Name
    value
    Type
    integer
    Description

    Number of purchases made despite encountering errors.

  • Name
    previous
    Type
    integer
    Description

    Value for the same metric in the previous period.

  • Name
    change
    Type
    float
    Description

    Percent change between periods.

  • Name
    formattedValue
    Type
    string
    Description

    Display-friendly value for current period.

  • Name
    formattedPrevious
    Type
    string
    Description

    Display-friendly value for previous period.

  • Name
    period.id
    Type
    string
    Description

    Time period ID.

  • Name
    period.name
    Type
    string
    Description

    Human-readable name for the time period.

  • Name
    periodRange.current.start
    Type
    string
    Description

    Start timestamp for the current period.

  • Name
    periodRange.current.end
    Type
    string
    Description

    End timestamp for the current period.

  • Name
    periodRange.previous.start
    Type
    string
    Description

    Start timestamp for the previous period.

  • Name
    periodRange.previous.end
    Type
    string
    Description

    End timestamp for the previous period.

  • Name
    performance.duration
    Type
    float
    Description

    Time taken to compute metric in milliseconds.

  • Name
    performance.formatted
    Type
    string
    Description

    Human-readable duration string.

GET/api/metrics/despite_errors

Retrieve this metric

Returns the number of purchases that happened after an error occurred in the same session.

Optional query parameters

Request

GET
/api/metrics/despite_errors
curl -G http://localhost:3000/api/metrics/despite_errors \
  -H "Authorization: Bearer {token}" \
  -d period=7d

Response

{
  "metric": "despite_errors",
  "value": 21,
  "previous": 19,
  "change": 10.53,
  "formattedValue": "21",
  "formattedPrevious": "19",
  "period": {
    "id": "7d",
    "name": "Last 7 days"
  },
  "periodRange": {
    "current": {
      "start": "2025-03-16T08:50:55.031Z",
      "end": "2025-03-23T08:50:55.030Z"
    },
    "previous": {
      "start": "2025-03-09T08:50:55.031Z",
      "end": "2025-03-16T08:50:55.030Z"
    }
  },
  "performance": {
    "duration": 981.91,
    "formatted": "982 ms"
  }
}

Use cases

  • Identify errors that don’t block purchases but still affect UX
  • Track user persistence or friction points
  • Correlate error occurrences with drop-offs and successful conversions

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