---
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"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/18001#article
headline: "18001: Invalid document submission"
url: https://www.twilio.com/docs/api/errors/18001
inLanguage: en
dateModified: 2026-03-11T18:38:39.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 18001: Invalid document submission

Log Type: APPLICATION

Log Level: ERROR

## Description

The document you have uploaded does not match our Regulatory Requirements criteria.

### Possible causes

The document you have uploaded does not match our acceptable documentation for the Regulatory Requirements.

### Possible solutions

Please re-submit after uploading a Supporting Document according to our Guidelines. https://www.twilio.com/en-us/guidelines/regulatory