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Upstash QStash
upstash.com
Spec sheet
- What it does
- QStash is a serverless messaging and scheduling solution that acts as a middleman between an application and an API to provide delivery guarantees and automatic retries.Read 5 Oct 2026 · upstash.com
- Support
- Upstash says customers on any subscription plan can contact its team at [email protected] for technical support, questions, and feedback.Read 5 Oct 2026 · upstash.com
- Headquarters
- California, United StatesRead 28 Sep 2026 · upstash.com
- Deduplication
- QStash supports deduplication to prevent duplicate messages from being delivered.Read 5 Oct 2026 · upstash.com
- Failed messages
- QStash supports retrying failed jobs and using a dead letter queue to manage failed messages.Read 5 Oct 2026 · upstash.com
- Fan-out
- URL Groups let QStash publish messages to multiple endpoints in parallel.Read 5 Oct 2026 · upstash.com
- FIFO queues
- Queues can deliver enqueued messages one by one in the order they were enqueued.Read 5 Oct 2026 · upstash.com
- Flow control
- Flow Control sets rate and parallelism limits for endpoint delivery, with excess messages added to a waitlist.Read 5 Oct 2026 · upstash.com
- LLM integrations
- QStash documents integrations for OpenAI-compatible providers and Anthropic, including batching chat completion requests and delivering results to a callback.Read 5 Oct 2026 · upstash.com
- Payload limit
- The Getting Started page states a default message size limit of 1 MB, which can be customized at the customer's request.Read 5 Oct 2026 · upstash.com
- Prod Pack SLA
- Prod Pack accounts include an SLA guaranteeing 99.99% uptime.Read 5 Oct 2026 · upstash.com
- Regions
- QStash is available in EU and US regions, which have independent infrastructure, pricing, resources, logs, and messages.Read 5 Oct 2026 · upstash.com
- Request security
- QStash sends an HMAC-SHA256 signed JWT in the Upstash-Signature header, which customers can verify to check request authenticity.Read 5 Oct 2026 · upstash.com
- Scheduling
- QStash can schedule messages for future delivery, with the maximum delay depending on the plan.Read 5 Oct 2026 · upstash.com
Plans and prices
Free Free $0/month 1,000 messages/day · 50 GB bandwidth · 1 MB max message size · 7-day max delay Read 5 Oct 2026 · upstash.com
Pay as You Go $1 a month $1 per 100K messages Unlimited messages/day · 50 GB bandwidth, then $0.05/GB · 10 MB max message size · 1-year max delay Read 5 Oct 2026 · upstash.com
Fixed 1M $180 a month $180/month 1M messages/day · 1 TB bandwidth · 50 MB max message size · 10,000 active schedules Read 5 Oct 2026 · upstash.com
Prod Pack $200 a month +$200/month Add-on · Uptime SLA · Encryption at Rest · SOC-2 · Prometheus · Datadog Read 5 Oct 2026 · upstash.com
Fixed 10M $420 a month $420/month 10M messages/day · 5 TB bandwidth · 50 MB max message size · 50,000 active schedules Read 5 Oct 2026 · upstash.com
Enterprise Priced on request Custom 100M+ messages/day · Unlimited bandwidth · Custom message size and limits Read 5 Oct 2026 · upstash.com
Where Specifiction places it
- Message Broker Software#26 of 397.6
- Task Queue Software#28 of 377.6
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