# Limits

# Rate limits

You’re limited to sending 1,000 messages per minute.

This limit is calculated on a rolling basis, per API key type. If you exceed the limit, you will get a 429 error RateLimitError.

# Daily limits

There’s a limit to the number of messages you can send each day:

Service status Type of API key Daily limit
Live Team or live 10,000
Trial Team 50
Live or trial Test Unlimited

These limits reset at midnight.

To request a limit increase, contact us (opens new window).

# Phone network limits

If you repeatedly send text messages to the same number the phone networks will block them.

There’s an hourly limit of:

  • 20 messages with the same content
  • 100 messages with any content

Your messages may not be delivered if you exceed these limits.