---
title: "Subscribe Flexible Product (TRADE)"
method: POST
path: "/sapi/v1/simple-earn/flexible/subscribe"
tags: ["Simple Earn"]
---

# Subscribe Flexible Product (TRADE)

`POST /sapi/v1/simple-earn/flexible/subscribe`

Weight(IP): 1

Rate Limit: 1/3s per account

## Query parameters

- `productId` string, required
- `amount` number, double, required
- `autoSubscribe` boolean
- `sourceAccount` string
- `recvWindow` integer
- `timestamp` integer, required
- `signature` string, required

## Response `200`

Flexible Product Subscription Response

- object
  - `purchaseId` integer, required
  - `success` boolean, required

## Other responses

- `400` — Bad Request
- `401` — Unauthorized Request

---

[API](https://skmtc.net/binance/apis/binance-public-spot-api.md) · [All operations](https://skmtc.net/binance/apis/binance-public-spot-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/binance/binance-public-spot-api/revisions/0dd2f133e12d/schema)