---
title: "Program valuation history"
method: GET
path: "/api/v1/reference/programs/{program_key}/history"
tags: ["Reference", "Reference"]
---

# Program valuation history

`GET /api/v1/reference/programs/{program_key}/history`

## Request

- Base URL: `https://kokofinance.net` (the document declares no server; this is the origin it was published from)
- URL: `https://kokofinance.net/api/v1/reference/programs/{program_key}/history`
- Auth: API key in header `X-API-Key`

Get CPP and transfer partner ratio change history for a points program.

## Path parameters

- `program_key` string, required

## Query parameters

- `since` string, nullable: ISO date string (e.g. 2025-01-01)

## Headers

- `authorization` string, nullable

## Response `200`

Program valuation change history

- unknown

## Other responses

- `400`: Invalid date format
- `401`: Invalid or missing API key
- `422`: Validation Error
- `429`: Rate limit exceeded

---

[API](https://skmtc.dev/kokofinance/apis/koko-finance-api.md) · [All operations](https://skmtc.dev/kokofinance/apis/koko-finance-api/llms.txt) · [OpenAPI document](https://skmtc.dev/kokofinance/apis/koko-finance-api/revisions/a5f1170af4d4?raw)