Documentation Index
Fetch the complete documentation index at: https://docs.chainstack.com/llms.txt
Use this file to discover all available pages before exploring further.
Overview
The Unlimited Node add‑on lets you turn any existing RPC node into a flat‑fee, capacity‑capped powerhouse. Instead of paying per request, you pick an RPS (requests per second) tier, activate the add‑on, and enjoy predictable monthly costs.Available RPS tiers
- 25 RPS
- 100 RPS
- 250 RPS
- 500 RPS
- 1000 RPS
Add‑on vs. extra usage
With Unlimited Node, you do not need the extra usage option for the attached node.The node consumes zero plan quota and never incurs overage.If you exceed the tier limit, you will simply hit a message that the rate exceeds the limit.Benefits
- Fixed monthly bill — no surprises, no overage math.
- Instant node upgrade to Unlimited — flip the switch on any existing node.
- Plan quota preserved — keep your remaining requests for other nodes or services.
- Growth‑first — available from the Growth plan upward.
Enable Unlimited Node
- In Nodes, open the node you want to upgrade.
- Click Add-ons > Unlimited Node.
- Pick an RPS tier and click Apply changes.
- Confirm payment. The add‑on starts within seconds.