---
title: "Series I savings bond value"
method: GET
path: "/api/tools/ibond"
---

# Series I savings bond value

`GET /api/tools/ibond`

## Request

- Base URL: `https://economicium.com`
- URL: `https://economicium.com/api/tools/ibond`
- Auth: none declared

Accrued and redeemable value of a Series I savings bond, from its issue month, face value and an as-of month.

## Query parameters

- `issueMonth` string, required
- `asOfMonth` string, required
- `faceValue` number, required

## Response `200`

Computed result.

- object

## Other responses

- `400`: Invalid or missing parameters.

---

[API](https://skmtc.dev/economicium/apis/economicium-calculators.md) · [All operations](https://skmtc.dev/economicium/apis/economicium-calculators/llms.txt) · [OpenAPI document](https://skmtc.dev/economicium/apis/economicium-calculators/revisions/889dbc3b2448?raw)