---
title: "BRS vs High-3 pension comparison"
method: GET
path: "/api/v1/calculate/brs-vs-high3"
---

# BRS vs High-3 pension comparison

`GET /api/v1/calculate/brs-vs-high3`

## Request

- Base URL: `https://everycalc.xyz`
- URL: `https://everycalc.xyz/api/v1/calculate/brs-vs-high3`
- Auth: none declared

Pension-only comparison of the legacy High-3 system (2.5 percent per year of service) against the Blended Retirement System (2.0 percent per year) on the same high-3 average basic pay: monthly, annual, and 30-year lifetime differences. Excludes TSP matching, continuation pay, COLA, and taxes. Results match the interactive calculator at everycalc.xyz; every response includes a calculator_url deep link to it.

## Query parameters

- `years_of_service` number, required
- `high3_monthly_avg` number, required

## Response `200`

Calculation result.

## Other responses

- `400`: Invalid input.

---

[API](https://skmtc.dev/everycalc/apis/everycalc-api.md) · [All operations](https://skmtc.dev/everycalc/apis/everycalc-api/llms.txt) · [OpenAPI document](https://skmtc.dev/everycalc/apis/everycalc-api/revisions/a4bd5db0868a?raw)