Up to 1000 TFNs can be submitted in bulk for Toll-Free Sender
Verification via a CSV file. This approach is useful if you have many
Toll-Free Numbers to submit for verification. Please follow the
instructions below to submit a bulk TFN verification r...
Certain types of content are not allowed on toll-free numbers. Here is a
list of what NOT to send via text from your business’s toll-free number:
High-risk financial services: Promotion of high-risk financial services
is not allowed on toll-free numb...
A compliant opt-in process (also called a "Call to Action") is required
to get your toll-free number (TFN) verified. A compliant opt-in process
means the way you get people’s consent to send them messages. You can
only use a business messaging servic...
Effective October 1, 2022, UNVERIFIED Toll-Free numbers (TFNs) will be
subject to new industry-wide U.S. messaging limits per TFN, listed
below: Daily Limit: 2,000 messages per day per unverified TFN Weekly
Limit: 12,000 messages per week per unverif...
Messages identified as SPAM will be rejected and error code 255
returned. Sinch continuously monitors for senders with a high number of
SPAM rejections. If the SPAM message content is not resolved, the TFN is
subject to blocking and deprovisioning. P...
