[Tenjin API Reference](https://api-docs.tenjin.com/llms.txt) › Metric Definitions

# Metric Definitions

Metrics you can request from the Reporting Metrics API, grouped by the endpoint that returns them.

## Spend Metrics

Metrics available at the [Pull a spend report](https://api-docs.tenjin.com/reporting-metrics-api/get_reports_spend.md) endpoint (`GET /v2/reports/spend`).

For metrics based on custom events sent to Tenjin, please contact customer support at [support@tenjin.com](mailto:support@tenjin.com).

| API attribute | Name | Description |
| --- | --- | --- |
| `ad_mediation_arpu` | Ad Revenue (Ad Mediation) per Daily Active Users (DAU) | Average Ad Revenue (Ad Mediation) per DAU Amount ($) |
| `ad_mediation_revenue` | Ad Revenue (Ad Mediation) | Ad Revenue (Ad Mediation) Amount ($) |
| `ad_mediation_revenue_Nd` | N-Day Ad LTV (Ad Mediation) | N-Day Ad LTV (Ad Mediation) Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `ad_mediation_roas_Nd` | N-Day Ad ROAS (Ad Mediation) | Average N-Day ROAS for Ad mediation revenue Percentage (%) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `ad_mediation_roi_Nd` | N-Day Ad ROI (Ad Mediation) | Average N-Day ROI for Ad mediation revenue Percentage (%) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `ad_mediation_rpu_Nd` | N-Day Ad LTV / User (Ad Mediation) | Average N-Day Ad LTV (Ad Mediation) per User Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `all_fraud` | Fraud Events | Number of Fraud Events |
| `all_subscriptions_revenue` | All Subscriptions Revenue | Total Subscriptions Revenue Amount (New + Renewals) ($) |
| `blocked_clicks` | Blocked Clicks | Number of Blocked Clicks |
| `blocked_device_events` | Blocked Device Events | Number of Blocked Device Events |
| `cancelled_subscriptions` | Cancelled Subscriptions | Number of Subscription Cancellations |
| `clicks` | Reported Clicks | Number of Reported Clicks |
| `clicks_difference` | Clicks Difference | Total Clicks Difference |
| `clicks_difference_pct` | Clicks Difference Percent | Average Clicks Difference Percentage (%) |
| `cp_ksessions_Nd` | Cost per 1000 N-Day Sessions | Average Cost per 1000 N-Day Sessions Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `cp_user_Nd` | Cost per N-Day Retained User | Average Cost per N-Day Retained User Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `cpc` | Cost-Per-Click (CPC) | Average CPC Amount ($) |
| `cpi` | Cost-Per-Install (CPI) | Average CPI Amount ($) |
| `cpm` | Cost-Per-1000-Impressions (CPM) | Average CPM Amount ($) |
| `cpr` | Completion Rate (CPR) | Average CPR Percentage (%) |
| `ctr` | Click-Through-Rate (CTR) | Average CTR Percentage (%) |
| `cvr` | Conversion Rate (CVR) | Average CVR Percentage (%) |
| `fraud_purchases` | Fraudulent Purchases | Number of Fraudulent Purchases |
| `fraud_revenue` | Blocked Fraudulent Revenue | Total Blocked Fraudulent Revenue Amount ($) |
| `iap_arpu` | In App Purchase (IAP) per Daily Active Users (DAU) | Average IAP per DAU Amount ($) |
| `iap_roas_Nd` | N-Day IAP ROAS | Average N-Day ROAS for IAP Percentage (%) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `iap_roi_Nd` | N-Day IAP ROI | Average N-Day ROI for IAP Percentage (%) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `iap_rpu_Nd` | N-Day IAP LTV / User | Average N-Day IAP LTV per User Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `impressions` | Reported Impressions | Number of Reported Impressions |
| `installs` | Reported Installs | Number of Reported Installs |
| `installs_difference` | Installs Difference | Total Installs Difference |
| `installs_difference_pct` | Installs Difference Percent | Average Installs Difference Percentage (%) |
| `new_subscriptions` | New Subscriptions | Number of First-Time Paid Subscriptions Started |
| `new_subscriptions_revenue` | New Subscriptions Revenue | Total New Subscriptions Revenue Amount ($) |
| `new_trials` | New Trials | Number of Trial Periods Started |
| `pltv_Nd` | N-Day Predicted Ad LTV (Ad Mediation + IAP) | N-Day Predicted Ad LTV Amount ($) based on All LTV (Ad Mediation + IAP), excluding subscription revenue, where N ranges from 0 to 30. |
| `pub_arpu` | Ad Revenue per Daily Active Users (DAU) (Ad Network) | Average Ad Revenue per DAU (Ad Network) Amount ($) |
| `pub_rev` | Ad Revenue (Ad Network) | Total Ad Revenue (Ad Network) Amount ($) |
| `pub_roas_Nd` | N-Day Ad ROAS (Ad Network) | Average N-Day ROAS for Ad network revenue Percentage (%) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `pub_roi_Nd` | N-Day Ad ROI (Ad Network) | Average N-Day ROI for Ad network revenue Percentage (%) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `pub_rpu_Nd` | N-Day Ad LTV / User (Ad Network) | Average N-Day Ad LTV per User (Ad Network) Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `pubrev_Nd` | N-Day Ad LTV (Ad Network) | N-Day Ad Revenue LTV (Ad Network) Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `renewals` | Renewals | Number of Subscription Renewals (Recurring Payments) |
| `renewals_revenue` | Renewals Revenue | Total Renewals Revenue Amount ($) |
| `retention_Nd` | N-Day Retention Rate | Average N-Day Retention Rate Percentage (%) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `revenues` | In App Purchase (IAP) Revenue | Total IAP Amount ($) |
| `revenues_Nd` | N-Day IAP LTV | Total N-Day IAP LTV Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `roas_Nd` | N-Day All ROAS (Ad Network + IAP + Subscriptions) | Average N-Day ROAS Percentage (%) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `roi_Nd` | N-Day All ROI (Ad Network + IAP + Subscriptions) | Average N-Day ROI Percentage (%) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `rpu_Nd` | N-Day All LTV / User (Ad Network + IAP + Subscriptions) | Average N-Day All LTV per User (Ad Network + IAP + Subscriptions) Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `sessions` | Sessions | Average Sessions |
| `sessions_Nd` | N-Day Sessions | Number of N-Day Sessions where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `spend` | Spend | Total Spend Amount ($) |
| `tcpi` | Cost-Per-Tracked Install (tCPI) | Average tCPI Amount ($) |
| `total_ad_mediation_arpu` | All Revenue per DAU (Ad Mediation + IAP + Subscriptions) | Average All Revenue per DAU (Ad Mediation + IAP + Subscriptions) ARPDAU Amount ($) |
| `total_ad_mediation_revenue` | All Revenue (Ad Mediation + IAP + Subscriptions) | All Revenue (Ad Mediation + IAP + Subscriptions) Amount ($) |
| `total_ad_mediation_revenue_Nd` | N-Day All LTV (Ad Mediation + IAP + Subscriptions) | N-Day All LTV (Ad Mediation + IAP + Subscriptions) Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `total_ad_mediation_roas_Nd` | N-Day All ROAS (Ad Mediation + IAP + Subscriptions) | Average N-Day (Ad Mediation + IAP + Subscriptions) ROAS Percentage (%) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `total_ad_mediation_roi_Nd` | N-Day All ROI (Ad Mediation + IAP + Subscriptions) | Average N-Day Total (Ad Mediation + IAP + Subscriptions) ROI Percentage (%) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `total_ad_mediation_rpu_Nd` | N-Day All LTV / User (Ad Mediation + IAP + Subscriptions) | Average N-Day All LTV / User (Ad Mediation + IAP + Subscriptions) Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `total_arpu` | All Revenue per DAU (Ad Network + IAP + Subscriptions) | Average All Revenue per DAU (Ad Network + IAP + Subscriptions) ARPDAU Amount ($) |
| `total_rev` | All Revenue (Ad Network + IAP + Subscriptions) | All Revenue Amount (Ad Network + IAP + Subscriptions) ($) |
| `total_rev_Nd` | N-Day All LTV (Ad Network + IAP + Subscriptions) | N-Day All LTV (Ad Network + IAP + Subscriptions) Amount ($) where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |
| `tracked_clicks` | Tracked Clicks | Number of Tracked Clicks |
| `tracked_cvr` | Tracked Conversion Rate (CVR) | Average CVR Percentage (%) |
| `tracked_impressions` | Tracked Impressions | Number of  Tracked Impressions |
| `tracked_installs` | Tracked Installs | Number of Tracked Installs |
| `tracked_reinstalls` | Tracked Reinstalls | Number of Tracked Reinstalls |
| `users` | Daily Active Users (DAU) | Average DAU |
| `users_Nd` | N-Day Retained Users | Number of N-Day Retained Users where N can be 0, 1, 2, 3, 4, 5, 6, 7, 14, 30, 60, 90, 120, 150, 180, 365 |

## Ad Revenue Metrics

Metrics available at the [Pull an ad revenue report](https://api-docs.tenjin.com/reporting-metrics-api/get_reports_ad_revenue.md) endpoint (`GET /v2/reports/ad_revenue`).

| API attribute | Name | Description |
| --- | --- | --- |
| `ad_revenue` | Reported Ad Revenue (Ad Network) | Ad Revenue (Ad Network) Amount ($) |
| `clicks` | Reported Clicks | Number of Reported Clicks |
| `ecpc` | Effective Cost per Click (eCPC) | Ad Revenue (Ad Network) per Click ($) |
| `ecpm` | Effective Cost per Mille (eCPM) | Ad Revenue (Ad Network) per 1000 Impressions ($) |
| `impressions` | Reported Impressions | Number of Reported Impressions |

## SK Ad Network Metrics

Metrics available at the [Pull an SKAdNetwork report from AdNetwork postbacks](https://api-docs.tenjin.com/reporting-metrics-api/get_reports_sk_ad_network.md) endpoint (`GET /v2/reports/sk_ad_network`).

| API attribute | Name | Description |
| --- | --- | --- |
| `assists` | Assists | Number of ad impressions that were shown to a user that ultimately downloaded the app, but were not awarded with an attribution. Introduced in SKAdNetwork 3.0, this corresponds to postbacks with did-win=false. |
| `conversion_value_avg` | Conversion Value Average | Average Conversion Value |
| `conversion_value_count` | Conversions | Number of Conversion postbacks received (includes redownloads and first downloads) |
| `conversion_value_total` | Conversion Value Total | Sum of Conversion Values |
| `first_download_assists` | First Download Assists | Number of Assist postbacks received for first downloads |
| `first_download_count` | First Downloads | Number of Conversion postbacks received for first downloads |
| `first_download_cv_avg` | First Download Conversion Value Average | Average Conversion Value for first downloads |
| `first_download_cv_total` | First Download Conversion Value Total | Sum of Conversion Values for first downloads |
| `redownload_assists` | Redownload Assists | Number of Assist postbacks received for redownloads |
| `redownload_count` | Redownloads | Number of Conversion postbacks received for redownloads |
| `redownload_cv_avg` | Redownload Conversion Value Average | Average Conversion Value for redownloads |
| `redownload_cv_total` | Redownload Conversion Value Total | Sum of Conversion Values for redownloads |