---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/520007#article
headline: "520007: Invalid CSV format"
url: https://www.twilio.com/docs/api/errors/520007
inLanguage: en
dateModified: 2026-04-01T03:32:01.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 520007: Invalid CSV format

Log Type: TWILIO

Log Level: ERROR

## Description

CSV file did not conform to the expected schema.

### Possible causes

* Missing columns, unrecognized delimiters, or unsupported file encoding
* Misordered headers

### Possible solutions

* Download and adhere to the standard CSV template
* Ensure all required columns are present and encoded in UTF-8 before re-attempting the upload