---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/60306#article
headline: "60306: Invalid Request"
url: https://www.twilio.com/docs/api/errors/60306
inLanguage: en
dateModified: 2026-03-11T20:43:38.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 60306: Invalid Request

Log Type: APPLICATION

Log Level: ERROR

## Description

The request is invalid.

HTTP status: 400

### Possible causes

One or more parameters are in an invalid format:

* Invalid `AccountSid`.
* Invalid `ServiceSid`.
* Invalid `Identity`.
* Invalid Factor parameters: Invalid `FriendlyName`, `Binding`, etc.
* Invalid `AuthPayload` when verifying a factor or challenge.
* Invalid `FactorSid`.
* Invalid list parameters: Invalid `Page`, `PageSize` or `PageToken`.
* Invalid Challenge parameters: Invalid `FactorSid`, `ExpirationDate`, `Details` or `HiddenDetails`.
* Invalid `ChallengeSid`.
* Invalid Factor configuration.
* Invalid `JWT`.
* Invalid Webhooks parameters: Invalid `EventTypes`
* Invalid `PhoneNumber` or Invalid `PhoneNumberPrefix` when adding a `PhoneNumber` or `PhoneNumberPrefix` to Global Safelist APIs.

### Possible solutions

Review the parameters you are passing from the list above and try again. Accepted parameters are detailed in the [API reference](/docs/verify/api).