---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/17400#article
headline: "17400: Invalid query parameter"
url: https://www.twilio.com/docs/api/errors/17400
inLanguage: en
dateModified: 2026-03-11T18:38:39.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 17400: Invalid query parameter

Log Type: APPLICATION

Log Level: ERROR

## Description

Invalid query parameter has been passed in the request.

### Possible causes

Invalid format for country code, SIP URI, Client address, or phone number. Wildcard searches.

### Possible solutions

Utilize only two-character country code; e.g. US Do not attempt wildcard searches; e.g. from=+1206\* Use E.164 address format for telephone numbers; e.g. +14258675309 Use SIP URI format; e.g. sip:user@domain.com Use Client address format; e.g. client:username