Rate this page:

Error 20103

Product: Platform

Error - 20103

Invalid Access Token issuer or subject

The issuer or subject of the Access Token provided to the Twilio API was invalid.

Issuer: The API Key used to sign the the token.

Subject: The Twilio Account SID from your Live Credentials.

Possible Causes

  • Account is inactive or suspended.
  • Account SID is incorrect.
  • API Key is incorrect or has been deleted.

Possible Solutions

  • Ensure the account is active and there are enough funds available.
  • Ensure the Account SID is correct and is from your Live Credentials.
  • Make sure that the API Key used to sign the request is correct and associated with the supplied Account SID.

To check whether the Access Token is structurally correct, you can use the tools available at

Access Tokens are used by multiple Twilio SDKs, including Programmable Voice, Programmable Video, and Programmable Chat. For the details of Twilio's specific Access Token implementation and the requirements of the issuer and subject fields, see the documentation.

Rate this page:

Thank you for your feedback!

We are always striving to improve our documentation quality, and your feedback is valuable to us. How could this documentation serve you better?

Sending your feedback...
🎉 Thank you for your feedback!
Something went wrong. Please try again.

Thanks for your feedback!

Refer us and get $10 in 3 simple steps!

Step 1

Get link

Get a free personal referral link here

Step 2

Give $10

Your user signs up and upgrade using link

Step 3

Get $10

1,250 free SMSes
OR 1,000 free voice mins
OR 12,000 chats
OR more