> ## Documentation Index
> Fetch the complete documentation index at: https://docs.indic8.ing/llms.txt
> Use this file to discover all available pages before exploring further.

# Metrics API

> Retrieve real-time MRR, Net Revenue Retention (NRR), and foreign exchange volume totals.

## Get Real-Time MRR

<ParamField path="GET /v1/metrics/mrr" type="endpoint">
  Returns the current Monthly Recurring Revenue calculated across all active subscriptions.
</ParamField>

### Response Example

```json theme={null}
{
  "status": "success",
  "data": {
    "current_mrr": 42850.00,
    "currency": "USD",
    "growth_mom_pct": 14.8,
    "active_subscribers": 1420,
    "breakdown_by_provider": {
      "stripe": 28400.00,
      "polar": 6250.00,
      "revenuecat": 8200.00
    }
  }
}
```

***

## Get Cohort Retention

<ParamField path="GET /v1/metrics/cohorts" type="endpoint">
  Returns historical cohort retention matrices with NRR percentages.
</ParamField>

### Response Example

```json theme={null}
{
  "status": "success",
  "data": {
    "cohorts": [
      {
        "vintage": "2026-01",
        "starting_mrr": 12400.00,
        "nrr_percentage": 118.4,
        "retention_curve": [100.0, 104.2, 108.5, 114.1, 118.4]
      }
    ]
  }
}
```