Upstash QStash

Depot pick for a raw serverless agent event backbone (webhooks, delayed retries, fan-out) without operating…

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Depot pick for a raw serverless agent event backbone (webhooks, delayed retries, fan-out) without operating Kafka/SQS. Inngest when you need durable steps; NATS/Synadia when you need a real messaging fabric; WarpStream/Confluent when you already are Kafka. Strengths: Serverless HTTP queue/scheduler with almost no ops — ideal agent callback bus; Penny-level PAYG and a real free tier; Works from Workers/Vercel/edge without a VPC.

Overall

8.4

curated_estimate

confidence: high · as of 2026-09-14

Capability fit

8.2

Price / performance

9.2

Latency / reliability

8.4

Developer & agent DX

9.2

Privacy / data retention

7.8

Lock-in risk (higher = worse)

3.5

Maturity / track record

8.0

Lock-in risk: higher = more lock-in (worse). Overall already inverts this dimension.

Sources: Upstash QStash pricing: https://upstash.com/pricing/qstash · Upstash: https://upstash.com

Strengths

· Serverless HTTP queue/scheduler with almost no ops — ideal agent callback bus
· Penny-level PAYG and a real free tier
· Works from Workers/Vercel/edge without a VPC

Weaknesses

· Not a workflow engine (no step state like Inngest/Temporal)
· Retries are billable
· SOC2 requires add-on until Enterprise

Pricing notes

As of 2026-09-14 (upstash.com/pricing/qstash): Free 1k messages/day, 50 GB, 1 MB max. PAYG $1 per 100k messages (unlimited/day, 10 MB, 1-year delay); bandwidth free to 50 GB then $0.05/GB. Fixed 1M $180/mo; Fixed 10M $420/mo; Enterprise custom. Retries billed per delivery attempt. HTTP callbacks up to 2h (PAYG) / 12h (Fixed 10M). Prod Pack add-on for SOC2/SLA on non-Enterprise.

Regions: global, usLast reviewed: 2026-09-14Status: active

Sourced pricing

Contract status unit_mismatch · unit_mismatch. Single normalized $/1M: null. Machine list: /api/pricing?provider=upstash-qstash

Free · usd_per_month · $0 · unit_mismatch · normalized null
Pay as You Go messages · usd_per_100k_messages · $1 · unit_mismatch · normalized null
Pay as You Go bandwidth · usd_per_gb · $0.05 · unit_mismatch · normalized null
Fixed 1M · usd_per_month · $180 · unit_mismatch · normalized null
Fixed 10M · usd_per_month · $420 · unit_mismatch · normalized null

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