Documentation Index Fetch the complete documentation index at: https://docs.tracklysms.com/llms.txt
Use this file to discover all available pages before exploring further.
You can send high volumes through the Trackly SMS API, but certain limits apply to protect platform stability and ensure fair usage.
API Limits Limit Value Notes Messages per bulk request 1,000 Use POST /v2/send/bulk Contacts per bulk request 1,000 Use POST /v2/contacts/bulk Revenue records per bulk request 1,000 Use POST /v2/revenue/bulk History records per import request 1,000 Applies to sends, clicks, and revenue imports API payload max size 5 MB Per request Contact payload max size 4,000 bytes Per individual contact object OTP metadata max size 1,024 bytes Per OTP verification request
Messaging Limits Limit Value Notes Default send rate 17,000 messages/min Per sending list, configurable by support Message template max length 1,600 characters Across all segment types Stale message threshold 30 minutes Messages queued longer than this are dropped Free tier monthly limit 500 messages Per account, resets monthly
Limit Value Notes Contacts per CSV import 5,000 Via dashboard upload Contacts per API bulk request 1,000 Via POST /v2/contacts/bulk
Journey Limits Limit Value Notes Max journey executions 1,000 Per journey enrollment batch Max journey duration 30 days Journeys automatically complete after this period
Billing Limits Limit Value Notes Billing block TTL 60 minutes Accounts with expired billing are blocked for up to 60 minutes before re-check
Requesting Increases If you need higher limits for any of the above, contact support at support@tracklysms.com . Include your account ID and the specific limit you need adjusted.
Send rate increases require a review of your sending patterns and compliance history.
Next Steps
API Limits & Best Practices Payload limits, batch sizes, and retry strategies
Send First SMS Get started sending messages
