Queues Too Many Requests

Error · queues

Reviewed 2026-10-25 · against the official Cloudflare pricing pages listed under Sources

The queue went past 5,000 messages per second.

Free plan

send() and sendBatch() throw Too Many Requests until the producer slows down.

The same limit on both plans.

What it means

The limits footnote says the exception text is a Too Many Requests error. It does not add operations you did not send.

What it does to a bill

Smooth the producer. A spike is not billed as a premium throughput tier in the public price table.

Sources