Skip to main content

Twilio Docs

Messaging
Voice
Serverless
Flex
Studio
All docs...

SDKs
Help
Log in
Sign up

Messaging
Voice
Serverless
Flex
Studio
All docs...
SDKs
Help
Log in
Sign up

Twilio Docs / API Reference / Error and Warning Dictionary / Error 19003

Menu

Error Reference

Collapse Expand

Rate this page:

1 2 3 4 5

Error 19003

ERROR - 19003

Contact with the unique_customer_provided_id provided already exists

unique_customer_provided_id already exists

Possible Causes

An existing contact has the same unique_customer_provided_id value provided in the request

Possible Solutions

Provide different unique_customer_provided_id or remove the existing one

Rate this page:

1 2 3 4 5

Terms of Service
Privacy Policy
Copyright © 2023 Twilio Inc.

Thank you for your feedback!

Please select the reason(s) for your feedback. The additional information you provide helps us improve our documentation:

If applicable fill in the countries where you are using Twilio

Missing information or code

Content is confusing or hard to follow

Inaccurate or outdated information

Broken link or typo

Did not solve my problem

Content is easy to follow

Solved my problem

Other

Need help? Talk to Support

Protected by reCAPTCHA – Privacy - Terms

Sending your feedback...

🎉 Thank you for your feedback!

Something went wrong. Please try again.

Thanks for your feedback!

thanks-feedback-gif