# Upstash QStash

> Serverless messaging and scheduling service that guarantees reliable message delivery with automatic retries

- **Canonical URI:** https://www.vioscale.ai/software/upstash-qstash
- **Category:** Webhooks Infrastructure
- **Homepage:** https://upstash.com/qstash
- **Also known as:** upstash-qstash
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-20T16:43:44.395Z

## Vioscale score

**17.3 / 100**, confidence 3% (low). Computed 2026-09-01.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 0 | 0.052 | 0 | - |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 0 | 0.04877777777777778 | 0 | - |
| integrations | 17.3 | 0.04066666666666666 | 0.7 | ✓ |
| security_posture | 0 | 0.073 | 0 | - |
| pricing_transparency | 0 | 0.084 | 0 | - |

## About

A middleware service that sits between your application and APIs to handle message delivery, automatic retries on failure, and scheduling. It eliminates the need to manage infrastructure for reliable message routing and job scheduling.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI, Web
- **Deployment:** Cloud / SaaS

## Integrations (3)

_Independently observed._

- Vercel AI SDK
- Cloudflare Workers
- LLM providers (general)

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 3 | [link](https://upstash.com/blog/aws-elasticache-pricing-explained-2026-full-cost-breakdown) | 2026-08-20 | 60% (medium) |

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*Source: Vioscale (https://www.vioscale.ai/software/upstash-qstash). Independent, evidence-based software intelligence. Cite the canonical URI.*