---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/30756#article
headline: "30756: Brand Registration Failure: Obfuscation check failure"
url: https://www.twilio.com/docs/api/errors/30756
inLanguage: en
dateModified: 2026-10-27T13:08:36.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 30756: Brand Registration Failure: Obfuscation check failure

Log Type: APPLICATION

Log Level: ERROR

## Description

Obfuscation check failed for brand registration inputs.

### Possible causes

Obfuscation check failed for brand registration inputs.

### Possible solutions

Use natural text inputs for business name, first and last name.

Additional help resources

* [Troubleshooting US A2P Brand registration failures](/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands)
* [Troubleshooting Sole Proprietor Brand Registration Failures](/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands/troubleshooting-sole-proprietor-brand-registration-failures)
* [Troubleshooting A2P 10DLC Standard/LVS Brands](/docs/messaging/compliance/a2p-10dlc/troubleshooting-a2p-brands/troubleshooting-and-rectifying-a2p-standardlvs-brands)