Effective January 31, 2026 (23:59 UTC), the following third-party tools will no longer be supported for Arbitrum Nova environments:
- Alchemy
- Nova Arbiscan (nova.arbiscan.io)
- Tenderly
This change does not impact any other Arbitrum technology, such as Arbitrum One or other Arbitrum chains.
A non-exhaustive list of alternatives to the outgoing tools has been compiled. While the capabilities may not be 1-to-1, suitable replacements are provided that cover the core competencies required.
| Service | Alternative Providers |
|---|---|
| RPC | Allnodes, Quicknode (more alternatives can be found at chainlist.org) |
| Block Explorer | Blockscout |
| Webhooks | Quicknode |
Below, an FAQ can be found to address any further questions or concerns Nova builders and users may have. Additional questions can be submitted here.
FAQ
What exactly is changing on January 31, 2026?
- Starting January 31, 2026, the following third-party tools will no longer be supported for Arbitrum Nova:
- Alchemy
- Nova Arbiscan (nova.arbiscan.io)
- Tenderly
- These changes apply only to Nova-specific environments and do not affect Arbitrum One or other Arbitrum chains.
Does this impact my funds or assets on Arbitrum Nova?
- User funds and onchain assets on Arbitrum Nova are not affected. All assets on Arbitrum Nova remain accessible and withdrawable regardless of the tooling change.
Will existing Nova applications continue to function?
- Yes, continued building is supported, provided that a migration away from deprecated tooling is completed and infrastructure dependencies are updated as required. Reliance on the aforementioned services should be reviewed, and a transition to alternative providers should be completed before January 31, 2026.