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Synadia Cloud (NATS)

Pick when agents need a real pub/sub fabric (multi-service, edge leafs) not just HTTP callbacks. QStash for…

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Pick when agents need a real pub/sub fabric (multi-service, edge leafs) not just HTTP callbacks. QStash for simpler serverless; Kafka/WarpStream for log-shaped replay. Strengths: NATS/JetStream fabric with subject-based routing — excellent agent command/event bus; Cheap Starter/Pro vs Kafka clouds; Leaf nodes for edge/device agents.

Overall
8.3
curated_estimate
confidence: high · as of 2026-09-14
Capability fit
8.6
Price / performance
8.2
Latency / reliability
8.8
Developer & agent DX
8.0
Privacy / data retention
8.5
Lock-in risk (higher = worse)
3.8
Maturity / track record
8.5

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

Sources: Synadia Cloud pricing: https://docs.synadia.com/cloud/pricing · Synadia: https://www.synadia.com · NATS: https://nats.io

Pick when agents need a real pub/sub fabric (multi-service, edge leafs) not just HTTP callbacks. QStash for simpler serverless; Kafka/WarpStream for log-shaped replay.

Strengths

  • · NATS/JetStream fabric with subject-based routing — excellent agent command/event bus
  • · Cheap Starter/Pro vs Kafka clouds
  • · Leaf nodes for edge/device agents

Weaknesses

  • · You still write consumer logic (not a workflow product)
  • · Personal plan drops connections on overage
  • · Smaller ecosystem than Kafka/SQS

Pricing notes

As of 2026-09-14 (docs.synadia.com/cloud/pricing): Personal free (2 accounts, 10 connections, 5 GiB, 10 GiB net). Starter $49/mo (3 accounts, 100 conn, 10 GiB std / 1 GiB HA). Pro $199/mo (10 accounts, 1k conn, 50 GiB std / 10 GiB HA). Enterprise custom + SLA. Overage on paid: client/leaf egress $0.09/GiB, gateway $0.02, route $0.01. Add-ons: remote system $49/mo; extra connections $10; HA storage $0.90/GiB-mo. NATS OSS self-host remains free.

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

Sourced pricing

Contract status unavailable · no_sourced_price. Single normalized $/1M: null. Machine list: /api/pricing?provider=synadia-cloud

No sourced SKU row. Notes above stay prose.

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