---
name: "up.Request.prototype.payload"
area: "API"
kind: "Property"
parent: "up.Request class"
url: "https://unpoly.com/api/up.Request.prototype.payload"
---
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# up.Request.prototype.payload

The payload that the request will encode into its body.

By default Unpoly will build a payload from the given `{ params }` option.

---

## Value {#value}

### payload {#payload}

Type: string