---
title: "Gets interest rate tiers and APY for a program."
method: GET
path: "/programs/{programCode}/productinterest"
tags: ["Program"]
---

# Gets interest rate tiers and APY for a program.

`GET /programs/{programCode}/productinterest`

Returns a list of interest rate tiers and APY for the specified program code and optional effective date.

## Path parameters

- `programCode` string, required

## Query parameters

- `effectiveDate` string, date-time

## Headers

- `X-GD-RequestId` string, required

## Response `200`

OK

- GetProgramInterestRateTierResponse — Represents the response containing the interest rate and APY tiers for a program's products. Inherits standard response metadata and details from Gd.Bos.DataTransfer.Response.ResponseBase.
  - `productInterestTierRateApys` ProductInterestTierRateApy[], nullable — Gets or sets the array of product interest tier rate and APY information. Each entry represents the interest rate and APY details for a specific product tier.
    - `productCode` string, nullable — Gets or sets the product code associated with the interest rate tier.
    - `purseType` string, nullable — Gets or sets the purse type for the product.
    - `interestRateTier` string, nullable — Gets or sets the interest rate tier identifier.
    - `startDate` string, date-time — Gets or sets the start date for the interest rate tier.
    - `endDate` string, date-time, nullable — Gets or sets the end date for the interest rate tier, if applicable.
    - `APY` number, double — Gets or sets the annual percentage yield (APY) for the tier.
    - `interestRate` number, double, nullable — Gets or sets the interest rate for the tier, if applicable.
    - `minimumPurseBalance` number, double, nullable — Gets or sets the minimum purse balance required for this tier, if applicable.
    - `maximumPurseBalance` number, double, nullable — Gets or sets the maximum purse balance allowed for this tier, if applicable.
    - `maxAccountInterestBalance` number, double, nullable — Gets or sets the maximum account interest balance for this tier, if applicable.
    - `frequency` string, nullable — Gets or sets the frequency at which interest is applied.
    - `accountBalanceType` string, nullable — Gets or sets the type of account balance used for interest calculation.
    - `maxAccountInterestType` string, nullable — Gets or sets the type of maximum account interest.
  - `responseDetails` ResponseDetail[], nullable — Required: A list of response details providing status codes, descriptions, and additional information about the result of the operation.
    - `code` integer — The primary status or error code for the response (e.g., 200 for success, 400 for validation error).
    - `subCode` integer, nullable — An optional subcode providing more granular detail about the response or error.
    - `description` string, nullable — A human-readable description of the response, error, or status.
    - `url` string, nullable — A URL linking to documentation or a web page with more information about the response code.

## Other responses

- `401` — Unauthorized
- `403` — Forbidden
- `500` — Internal Server Error
- `503` — Service Unavailable

---

[API](https://skmtc.net/greendot/apis/baas-apis.md) · [All operations](https://skmtc.net/greendot/apis/baas-apis/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/greendot/baas-apis/revisions/666553766b78/schema)