Rex

Configure SMS texting (Twilio)

Rex sends SMS messages using your own Twilio account. You need a Twilio account with a Messaging Service set up before completing this configuration.

1

Open the Texting integration

Navigate to the Integrations page.

Marketplaceβ€ΊIntegrations
2

Enter your Twilio credentials

Fill in all Twilio fields from your Twilio Console.

3

Save

Rex will route outbound SMS through your Twilio account.

FieldDescription
Account IDYour Twilio Account SID. Found on the Twilio Console dashboard.
Auth TokenYour Twilio Auth Token. Found on the Twilio Console dashboard.
API KeyA Twilio API key SID (created under Account > API Keys).
API SecretThe secret paired with the API Key. Only shown once at creation.
Messaging Service IDThe SID of your Twilio Messaging Service (starts with MG).
Chat Service IDThe SID of a Twilio Conversations service, if used for two-way chat.

Updated May 12, 2026

Was this helpful?