Nodes & RPC
Troubleshoot RPC requests, network availability, rate limits, errors, and node performance.
Articles
- Where are Alchemy's servers located?
- Why does getSignaturesForAddress return an empty array for the Solana Vote program?
- Why does Solana getBlock sometimes time out or run slow, and how do I fix it
- Is Alchemy's throughput (CU/s) limit shared across all apps, or set per chain?
- Why do I see a Free tier error when calling eth_getLogs with a large block range?
- Fix "UTXO requests are not allowed" for Bitcoin, Dogecoin, Litecoin, or Bitcoin Cash
- Does Alchemy support batch requests?
- What to use instead of the deprecated alchemy_simulate* methods
- How many transactions can I send simultaneously?
- Why do I get "gas limit too high" (error -32003) on eth_sendRawTransaction?
- Why does polling balance and nonce on every block get expensive on fast chains?