Bundler RPC Endpoints
Voltaire is provided as hosted Bundler API on multiple chain. Testnet access is provided at no cost, while mainnet access is available through subscription-based plans for developers and companies.
Secure your mainnet access today by scheduling a meeting.
If you require a specific network not listed below, send us a message on telegram or discord, and we will let you know if we can support it.
Testnet
| Network | Chain ID | RPC address | Type |
|---|---|---|---|
 Arbitrum Sepolia | 421614 | https://arbitrum-sepolia.voltaire.candidewallet.com/rpc | Bundler |
 Avalanche Fuji Testnet | 43113 | https://fuji.voltaire.candidewallet.com/rpc | Bundler |
 Base Sepolia | 84532 | https://base-sepolia.voltaire.candidewallet.com/rpc | Bundler |
 Celo Alfajores | 44787 | https://celo-alfajores.voltaire.candidewallet.com/rpc | Bundler |
 Optimism Sepolia | 11155420 | https://optimism-sepolia.voltaire.candidewallet.com/rpc | Bundler |
 Polygon Amoy | 80002 | https://amoy.voltaire.candidewallet.com/rpc | Bundler |
 Sepolia | 11155111 | https://sepolia.voltaire.candidewallet.com/rpc | Bundler |
 BnB Smart Chain Tesnet | 97 | Available upon request | Bundler |
Mainnet
| Network | Chain ID | RPC address | Type |
|---|---|---|---|
| Arbitrum One | 42161 | Available with a subscription-based plan | Bundler |
 Arbitrum Nova | 42170 | Available with a subscription-based plan | Bundler |
| Avalanche C-Chain | 43114 | Available with a subscription-based plan | Bundler |
| Base | 8453 | Available with a subscription-based plan | Bundler |
| BnB Smart Chain | 56 | Available with a subscription-based plan | Bundler |
| Celo | 42220 | Available with a subscription-based plan | Bundler |
| Ethereum | 1 | Available with a subscription-based plan | Bundler |
 Fuse | 122 | Available with a subscription-based plan | Bundler |
| Optimism | 10 | Available with a subscription-based plan | Bundler |
| Polygon PoS | 137 | Available with a subscription-based plan | Bundler |
Not mentioned above: Rollups built on a standardized stack, such as Optimism OP-Stack and Arbitrum Orbit, are also supported.
Voltaire with RPC Providers
Voltaire is also available through RPC providers that run Bundler as a Service. They all have a free tier, and a model of pay as you grow. You can learn about their pricing on their website.
List is alphabetically in no particular order.
BlockPi
Once you create an account with BlockPi, you will see the available chains and Bundlers. Select Candide as your option to use Voltaire. Learn more on their Bundler Service here.
LlamaNodes
Llamas offer Bundler endpoints both on their public endpoints for the free tier, and on a more generous plan once you create an account. Learn more on their Bundler Service here.