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Queues

Durable task queues with retries, DLQ and at-least-once delivery.

What it is

Queues are durable, ordered (FIFO) task queues with built-in retry and dead-letter routing. Producers send messages from anywhere with an API key; consumers pull or subscribe via long-poll.

When to use it

  • Decouple webhook ingest from downstream processing.
  • Buffer load spikes in front of a slow consumer.
  • Replay failed work from a DLQ.

Quickstart

asc queues create webhook-ingest --visibility-timeout 30s --dlq webhook-dlq
asc queues send webhook-ingest --body '{"event":"x"}'
client.queues.create('webhook-ingest', visibility_timeout_s=30, dlq='webhook-dlq')
client.queues.send('webhook-ingest', body={'event':'x'})
await client.queues.send('webhook-ingest', { body: { event: 'x' } });

Limits & quotas

LimitDefaultBurstNotes
Per million operations$0.40—
Max message size256 KiB—
Max in-flight1,000,000—

Pricing

See pricing. Pay-as-you-go, billed monthly via Stripe.

API surface

  • POST /v1/queues
  • POST /v1/queues/{q}/send
  • GET /v1/queues/{q}/receive

Required scope(s): queues:write. See Scopes.

Security

All access is authenticated and scoped. See Auth & scopes and Network controls.